533 lines
22 KiB
VB.net
533 lines
22 KiB
VB.net
Imports System.ComponentModel
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Imports System.Globalization
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Imports System.Text.RegularExpressions
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Imports DigitalData.Modules.Logging
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Imports GdPicture14
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Public Class DocumentViewer
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Private Enum ZoomMode
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Zoom50
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Zoom100
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Zoom150
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Zoom200
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ZoomSelectedArea
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ZoomFitToViewer
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ZoomFitWidth
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ZoomFitHeight
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End Enum
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Private _docPath As String
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Private _currentSearchOccurence As Integer = 0
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Private _toggleGamma As Boolean = True
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Private _licenseKey As String = String.Empty
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Private _licenseManager As New GdPicture14.LicenseManager()
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Private _logConfig As LogConfig
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Private _logger As Logger
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' List of all created temp files when converting msg files
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Private _TempFiles As New List(Of String)
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Private Sub DocumentViewer_Load(sender As Object, e As EventArgs) Handles Me.Load
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Dim zoomModes As New Dictionary(Of ZoomMode, String) From {
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{ZoomMode.Zoom50, "50%"},
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{ZoomMode.Zoom100, "100%"},
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{ZoomMode.Zoom150, "150%"},
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{ZoomMode.Zoom200, "200%"},
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{ZoomMode.ZoomSelectedArea, "Zoom to selected area"},
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{ZoomMode.ZoomFitToViewer, "Fit to viewer"},
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{ZoomMode.ZoomFitWidth, "Fit to viewer width"},
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{ZoomMode.ZoomFitHeight, "Fit to viewer height"}
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}
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For Each item In zoomModes
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cbZoom.Items.Add(item.Value)
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Next
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_TempFiles.Clear()
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UpdateMainUi()
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End Sub
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''' <summary>
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''' Initialize the Viewer
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''' </summary>
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''' <param name="LogConfig">A LogConfig object</param>
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''' <param name="LicenseKey">The GDPicture.NET License Key</param>
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Public Sub Init(LogConfig As LogConfig, LicenseKey As String)
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_logConfig = LogConfig
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_logger = LogConfig.GetLogger()
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_licenseKey = LicenseKey
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_licenseManager.RegisterKEY(_licenseKey)
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End Sub
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''' <summary>
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''' Terminate Viewer, freeing up resources and deleting temp files
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''' </summary>
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Public Sub Done()
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DeleteTempFiles()
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Dispose()
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End Sub
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''' <summary>
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''' Load a file and display it
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''' </summary>
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''' <param name="filepath"></param>
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Public Sub LoadFile(filepath As String)
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If _licenseKey = String.Empty Then
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_logger.Warn("License key was not provided. File {0} not loaded.", filepath)
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Exit Sub
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End If
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CloseDocument()
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GdViewer.ZoomMode = ViewerZoomMode.ZoomModeWidthViewer
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GdViewer.DocumentAlignment = ViewerDocumentAlignment.DocumentAlignmentTopCenter
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DoLoadFile(filepath)
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statusLabel.Text = _docPath
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UpdateMainUi()
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End Sub
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Public Sub DeleteTempFiles()
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For Each oFile In _TempFiles
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Try
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IO.File.Delete(oFile)
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Catch ex As Exception
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_logger.Warn("Could not delete temp file {0}", oFile)
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End Try
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Next
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_TempFiles.Clear()
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End Sub
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Private Sub DoLoadFile(FilePath As String)
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Try
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Dim oFileInfo = New IO.FileInfo(FilePath)
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Dim oExtension As String = oFileInfo.Extension
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Select Case oExtension
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Case ".msg"
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Dim oMsg As New Independentsoft.Msg.Message(FilePath)
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' TODO: Improve Encoding, maybe convert based on encoding
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oMsg.Encoding = System.Text.Encoding.UTF32
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Dim oMime = oMsg.ConvertToMimeMessage()
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Dim oTempFileName = IO.Path.GetTempFileName()
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oMime.Save(oTempFileName, True)
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RichEditControl1.LoadDocument(oTempFileName, DevExpress.XtraRichEdit.DocumentFormat.Mht)
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_TempFiles.Add(oTempFileName)
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RichEditControl1.Visible = True
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RichEditControl1.Dock = DockStyle.Fill
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Case ".eml"
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RichEditControl1.LoadDocument(FilePath, DevExpress.XtraRichEdit.DocumentFormat.Mht)
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RichEditControl1.Visible = True
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RichEditControl1.Dock = DockStyle.Fill
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Case Else
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_docPath = FilePath
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GdViewer.DisplayFromFile(_docPath)
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RichEditControl1.Visible = False
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RichEditControl1.Dock = DockStyle.None
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End Select
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Catch ex As Exception
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_logger.Error(ex)
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End Try
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End Sub
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Private Sub CloseDocument()
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GdViewer.CloseDocument()
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UpdateMainUi()
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End Sub
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Private Sub btnOpen_Click(sender As Object, e As EventArgs)
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CloseDocument()
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GdViewer.ZoomMode = ViewerZoomMode.ZoomModeWidthViewer
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GdViewer.DocumentAlignment = ViewerDocumentAlignment.DocumentAlignmentTopCenter
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If OpenFileDialog.ShowDialog() = DialogResult.OK Then
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GdViewer.DisplayFromFile(OpenFileDialog.FileName)
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End If
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GdViewer.Focus()
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UpdateMainUi()
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End Sub
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Private Function GetDocumentTypeLabel() As String
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Dim result As String = ""
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Select Case GdViewer.GetDocumentType()
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Case DocumentType.DocumentTypeBitmap
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result = "Bilddatei"
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Case DocumentType.DocumentTypeMetaFile
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result = "Metafile"
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Case DocumentType.DocumentTypePDF
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result = "PDF"
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Case DocumentType.DocumentTypeSVG
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result = "SVG"
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Case DocumentType.DocumentTypeTXT
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result = "Textdatei"
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Case DocumentType.DocumentTypeUnknown
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result = "Unbekannt"
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End Select
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Return result
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End Function
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Private Sub UpdateMainUi()
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If GdViewer.PageCount = 0 Then
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'btnOpen.Enabled = True
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btnPrint.Enabled = False
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btnFirstPage.Enabled = False
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btnPreviousPage.Enabled = False
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tbCurrentPage.Enabled = False
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lblPageCount.Enabled = False
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btnNextPage.Enabled = False
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btnLastPage.Enabled = False
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btnZoomOut.Enabled = False
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cbZoom.Enabled = False
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btnZoomIn.Enabled = False
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btnFitPage.Enabled = False
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btnFitWidth.Enabled = False
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btnRotateLeft.Enabled = False
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btnRotateRight.Enabled = False
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btnFlipX.Enabled = False
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btnFlipY.Enabled = False
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tbCurrentPage.Text = "0"
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lblPageCount.Text = "/ 0"
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cbZoom.SelectedIndex = -1
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Else
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'btnOpen.Enabled = False
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btnPrint.Enabled = True
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btnFirstPage.Enabled = True
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btnPreviousPage.Enabled = True
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tbCurrentPage.Enabled = True
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lblPageCount.Enabled = True
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btnNextPage.Enabled = True
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btnLastPage.Enabled = True
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btnZoomOut.Enabled = True
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cbZoom.Enabled = True
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btnZoomIn.Enabled = True
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btnFitPage.Enabled = True
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btnFitWidth.Enabled = True
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btnRotateLeft.Enabled = True
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btnRotateRight.Enabled = True
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btnFlipX.Enabled = True
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btnFlipY.Enabled = True
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UpdateaNavigationToolbar()
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End If
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End Sub
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Private Sub btnFirstPage_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnFirstPage.Click
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GdViewer.DisplayFirstPage()
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End Sub
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Private Sub btnPreviousPage_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnPreviousPage.Click
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GdViewer.DisplayPreviousPage()
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End Sub
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Private Sub btnNextPage_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnNextPage.Click
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GdViewer.DisplayNextPage()
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End Sub
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Private Sub btnLastPage_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnLastPage.Click
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GdViewer.DisplayLastPage()
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End Sub
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Private Sub tbCurrentPage_Leave(ByVal sender As System.Object, ByVal e As EventArgs) Handles tbCurrentPage.Leave
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Dim page As Integer = 0
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If Integer.TryParse(tbCurrentPage.Text, page) Then
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If page > 0 And page <= GdViewer.PageCount Then
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GdViewer.DisplayPage(page)
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UpdateaNavigationToolbar()
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End If
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End If
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End Sub
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Private Sub GdViewer1_PageChanged() Handles GdViewer.PageChanged
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UpdateaNavigationToolbar()
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End Sub
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Private Sub ChangeZoomValue()
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If cbZoom.SelectedIndex <> -1 Then
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Select Case cbZoom.SelectedIndex
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Case ZoomMode.Zoom50
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GdViewer.Zoom = 50.0F / 100
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Case ZoomMode.Zoom100
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GdViewer.Zoom = 100.0F / 100
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Case ZoomMode.Zoom150
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GdViewer.Zoom = 150.0F / 100
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Case ZoomMode.Zoom200
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GdViewer.Zoom = 250.0F / 100
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Case ZoomMode.ZoomSelectedArea
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If GdViewer.IsRect() Then
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GdViewer.ZoomRect()
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Else
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GdViewer.MouseMode = ViewerMouseMode.MouseModeAreaSelection
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GdViewer.Focus()
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End If
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Case ZoomMode.ZoomFitToViewer
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GdViewer.ZoomMode = ViewerZoomMode.ZoomModeFitToViewer
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Case ZoomMode.ZoomFitWidth
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GdViewer.ZoomMode = ViewerZoomMode.ZoomModeWidthViewer
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Case ZoomMode.ZoomFitHeight
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GdViewer.ZoomMode = ViewerZoomMode.ZoomModeHeightViewer
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End Select
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Else
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If (IsNumeric(Regex.Replace(cbZoom.Text, "[^0-9,.]", ""))) Then
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GdViewer.Zoom = Val(Regex.Replace(cbZoom.Text, "[^0-9,.]", "")) / 100
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End If
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End If
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UpdateaNavigationToolbar()
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End Sub
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Private Sub cbZoom_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As EventArgs) Handles cbZoom.SelectedIndexChanged
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ChangeZoomValue()
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End Sub
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Private Sub GdViewer1_AfterZoomChange() Handles GdViewer.AfterZoomChange
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UpdateaNavigationToolbar()
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If GdViewer.MouseMode = ViewerMouseMode.MouseModeAreaZooming Then
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GdViewer.MouseMode = ViewerMouseMode.MouseModePan
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End If
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End Sub
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Private Sub btnZoomOut_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnZoomOut.Click
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GdViewer.ZoomOUT()
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End Sub
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Private Sub btnZoomIn_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnZoomIn.Click
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GdViewer.ZoomIN()
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End Sub
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Private Sub cbZoom_TextUpdate(ByVal sender As System.Object, ByVal e As EventArgs) Handles cbZoom.Validating
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ChangeZoomValue()
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End Sub
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Private Sub btnPrint_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnPrint.Click
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If GdViewer.PageCount = 0 Then
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Return
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End If
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Using f As New frmViewerPrint(GdViewer)
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f.ShowDialog(Me)
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If f.DialogResult <> DialogResult.OK Then
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Return
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End If
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Dim printSettings As frmViewerPrint.PrintSettings = f.printConfiguration
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If Not GdViewer.PrintSetActivePrinter(printSettings.Printer) Then
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Return
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End If
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GdViewer.PrintSetDocumentName("GdPicture Print Job " + DateTime.Now.ToString("yyyy-MM-dd HH\mm"))
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GdViewer.PrintSetAlignment(printSettings.PrintAlignment)
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Select Case printSettings.Orientation
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Case frmViewerPrint.PrintOrientation.AutoDetection
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GdViewer.PrintSetAutoRotation(True)
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Exit Select
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Case frmViewerPrint.PrintOrientation.Portrait
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GdViewer.PrintSetAutoRotation(False)
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GdViewer.PrintSetOrientation(PrinterOrientation.PrinterOrientationPortrait)
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Exit Select
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Case frmViewerPrint.PrintOrientation.Paysage
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GdViewer.PrintSetAutoRotation(False)
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GdViewer.PrintSetOrientation(PrinterOrientation.PrinterOrientationLandscape)
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Exit Select
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End Select
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GdViewer.PrintSetCopies(printSettings.Copies)
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If printSettings.Copies > 1 Then
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GdViewer.PrintSetCollate(printSettings.Collate)
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End If
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Select Case printSettings.PagesToPrint
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Case frmViewerPrint.PagesToPrint.All
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GdViewer.PrintSetFromToPage(1, GdViewer.PageCount)
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GdViewer.Print(printSettings.PrintSize)
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Exit Select
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Case frmViewerPrint.PagesToPrint.Current
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GdViewer.PrintSetFromToPage(GdViewer.CurrentPage, GdViewer.CurrentPage)
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GdViewer.Print(printSettings.PrintSize)
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Exit Select
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Case frmViewerPrint.PagesToPrint.Range
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If printSettings.PageRange IsNot Nothing And printSettings.PageRange <> String.Empty Then
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If printSettings.PageRange.Contains("-") Then
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Dim pageStart As Integer = 0
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If Integer.TryParse(printSettings.PageRange.Split("-"c)(0), pageStart) Then
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Dim pageEnd As Integer = 0
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If Integer.TryParse(printSettings.PageRange.Split("-"c)(1), pageEnd) Then
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If pageEnd < pageStart Then
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GdViewer.PrintSetFromToPage(pageEnd, pageStart)
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GdViewer.Print(printSettings.PrintSize)
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Else
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GdViewer.PrintSetFromToPage(pageStart, pageEnd)
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GdViewer.Print(printSettings.PrintSize)
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End If
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Else
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MessageBox.Show("Page range is invalid.", "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
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End If
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Else
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MessageBox.Show("Page range is invalid.", "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
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End If
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Else
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Dim page As Integer = 0
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If Integer.TryParse(printSettings.PageRange, page) Then
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GdViewer.PrintSetFromToPage(page, page)
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GdViewer.Print(printSettings.PrintSize)
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Else
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MessageBox.Show("Page range is invalid.", "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
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End If
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End If
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Else
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MessageBox.Show("Page range is invalid.", "Error", MessageBoxButtons.OK, MessageBoxIcon.[Error])
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End If
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Exit Select
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End Select
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End Using
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End Sub
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Private Sub btnRotateLeft_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnRotateLeft.Click
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GdViewer.Rotate(RotateFlipType.Rotate270FlipNone)
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End Sub
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Private Sub btnRotateRight_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnRotateRight.Click
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GdViewer.Rotate(RotateFlipType.Rotate90FlipNone)
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End Sub
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Private Sub btnFlipX_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnFlipX.Click
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GdViewer.Rotate(RotateFlipType.RotateNoneFlipX)
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End Sub
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Private Sub btnFlipY_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles btnFlipY.Click
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GdViewer.Rotate(RotateFlipType.RotateNoneFlipY)
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End Sub
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Private Sub GdViewer1_TransferEnded(ByVal status As GdPictureStatus, ByVal download As System.Boolean) Handles GdViewer.TransferEnded
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GdViewer.Focus()
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UpdateMainUi()
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End Sub
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Private Sub cbZoom_Validating(ByVal sender As System.Object, ByVal e As CancelEventArgs) Handles cbZoom.Validating
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ChangeZoomValue()
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End Sub
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Private Sub AddSearchRegion(ByVal occurence As Integer, ByVal leftCoordinate As Single, ByVal topCoordinate As Single, ByVal regionWidth As Single, ByVal regionheight As Single, ByVal ensureVisibility As Boolean)
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Dim searchRegion As Integer = GdViewer.AddRegionInches("SearchResult" & occurence, leftCoordinate, topCoordinate, regionWidth, regionheight, ForegroundMixMode.ForegroundMixModeMASKPEN, Color.Yellow)
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GdViewer.SetRegionEditable(searchRegion, False)
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If ensureVisibility Then
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GdViewer.EnsureRegionVisibility(searchRegion)
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End If
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End Sub
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Private Sub btnSettings_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnSettings.Click
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Using frmSettings As New frmViewerSettings(GdViewer)
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frmSettings.ShowDialog(Me)
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End Using
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UpdateaNavigationToolbar()
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End Sub
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Private Sub UpdateaNavigationToolbar()
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Dim currentPage As Integer = GdViewer.CurrentPage()
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tbCurrentPage.Text = currentPage.ToString()
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lblPageCount.Text = "/ " & GdViewer.PageCount.ToString()
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If currentPage = 1 Then
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btnFirstPage.Enabled = False
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btnPreviousPage.Enabled = False
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Else
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btnFirstPage.Enabled = True
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btnPreviousPage.Enabled = True
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End If
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If currentPage = GdViewer.PageCount Then
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btnNextPage.Enabled = False
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btnLastPage.Enabled = False
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Else
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btnNextPage.Enabled = True
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btnLastPage.Enabled = True
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End If
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cbZoom.Text = String.Format(CultureInfo.InvariantCulture, "{0:#0.##%}", GdViewer.Zoom)
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Dim widthInches, heightInches As Double
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If GdViewer.GetDocumentType = DocumentType.DocumentTypePDF Then
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widthInches = GdViewer.PdfGetPageWidth / 72
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heightInches = GdViewer.PdfGetPageHeight / 72
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Else
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widthInches = GdViewer.PageWidth / GdViewer.HorizontalResolution
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heightInches = GdViewer.PageHeight / GdViewer.VerticalResolution
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End If
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Me.ToolStripStatusLabel1.Text = "Typ: " + GetDocumentTypeLabel() + " - " +
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"Seitengröße (zoll): " + Trim(Str(Math.Round(widthInches, 2))) + " × " + Trim(Str(Math.Round(heightInches, 2))) + " - " +
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"Seitengröße (pixel): " + Trim(Str(GdViewer.PageWidth)) + " × " + Trim(Str(GdViewer.PageHeight)) + " - " +
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"Horizontale Auflösung: " + Trim(Str(Math.Round(GdViewer.HorizontalResolution, 2))) + " DPI - " +
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"Vertikale Auflösung: " + Trim(Str(Math.Round(GdViewer.VerticalResolution, 2))) + " DPI"
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End Sub
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Private Sub btnFitWidth_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnFitWidth.Click
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GdViewer.ZoomMode = ViewerZoomMode.ZoomModeWidthViewer
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End Sub
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Private Sub btnFitPage_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnFitPage.Click
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GdViewer.ZoomMode = ViewerZoomMode.ZoomModeFitToViewer
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End Sub
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Private Sub DefaultToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles DefaultToolStripMenuItem.Click
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GdViewer.MouseMode = ViewerMouseMode.MouseModeDefault
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DefaultToolStripMenuItem.Checked = True
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AreaSelectionToolStripMenuItem.Checked = False
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PanToolStripMenuItem.Checked = False
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AreaZoomingToolStripMenuItem.Checked = False
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MagnifierToolStripMenuItem.Checked = False
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GdViewer.Focus()
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End Sub
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Private Sub AreaSelectionToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles AreaSelectionToolStripMenuItem.Click
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GdViewer.MouseMode = ViewerMouseMode.MouseModeAreaSelection
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DefaultToolStripMenuItem.Checked = False
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AreaSelectionToolStripMenuItem.Checked = True
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PanToolStripMenuItem.Checked = False
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AreaZoomingToolStripMenuItem.Checked = False
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||
MagnifierToolStripMenuItem.Checked = False
|
||
GdViewer.Focus()
|
||
End Sub
|
||
|
||
Private Sub PanToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles PanToolStripMenuItem.Click
|
||
GdViewer.MouseMode = ViewerMouseMode.MouseModePan
|
||
DefaultToolStripMenuItem.Checked = False
|
||
AreaSelectionToolStripMenuItem.Checked = False
|
||
PanToolStripMenuItem.Checked = True
|
||
AreaZoomingToolStripMenuItem.Checked = False
|
||
MagnifierToolStripMenuItem.Checked = False
|
||
GdViewer.Focus()
|
||
End Sub
|
||
|
||
Private Sub AreaZoomingToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles AreaZoomingToolStripMenuItem.Click
|
||
GdViewer.MouseMode = ViewerMouseMode.MouseModeAreaZooming
|
||
DefaultToolStripMenuItem.Checked = False
|
||
AreaSelectionToolStripMenuItem.Checked = False
|
||
PanToolStripMenuItem.Checked = False
|
||
AreaZoomingToolStripMenuItem.Checked = True
|
||
MagnifierToolStripMenuItem.Checked = False
|
||
GdViewer.Focus()
|
||
End Sub
|
||
|
||
Private Sub MagnifierToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As EventArgs) Handles MagnifierToolStripMenuItem.Click
|
||
GdViewer.MouseMode = ViewerMouseMode.MouseModeMagnifier
|
||
DefaultToolStripMenuItem.Checked = False
|
||
AreaSelectionToolStripMenuItem.Checked = False
|
||
PanToolStripMenuItem.Checked = False
|
||
AreaZoomingToolStripMenuItem.Checked = False
|
||
MagnifierToolStripMenuItem.Checked = True
|
||
GdViewer.Focus()
|
||
End Sub
|
||
|
||
Private Sub DocumentViewer_Disposed(sender As Object, e As EventArgs) Handles Me.Disposed
|
||
GdViewer.Dispose()
|
||
End Sub
|
||
End Class
|