Common: Configurable Column Names for Fixed Columns, Helpers for Error Messages, Checks for Datatable contents and environment

GUIs.Common/Common.vbproj

@@ -104,6 +104,7 @@
     </Compile>
     <Compile Include="DocumentPropertyMenu\DocumentPropertyMenu.vb" />
     <Compile Include="DocumentResultList\DocumentResultConfig.vb" />
+    <Compile Include="DocumentResultList\DocumentResultList.vb" />
     <Compile Include="DocumentResultList\DocumentResultParams.vb" />
     <Compile Include="DocumentResultList\frmDocumentResultList.Designer.vb">
       <DependentUpon>frmDocumentResultList.vb</DependentUpon>

GUIs.Common/DataResultList/frmDataResultList.vb

@@ -25,7 +25,7 @@ Public Class frmDataResultList
 
     Private _ActiveGrid As GridControl = Nothing
     Private _ActiveGridBand As GridBand = Nothing
-    Private _ActiveRowHandle As Integer = Constants.NO_ROW_HANDLE
+    Private _Helpers As DocumentResultList
 
     Public Property ShouldReturnToPreviousForm As Boolean Implements IResultForm.ShouldReturnToPreviousForm
 
@@ -39,6 +39,7 @@ Public Class frmDataResultList
         _LogConfig = LogConfig
         _Logger = LogConfig.GetLogger()
         _Config = New ConfigManager(Of DataResultConfig)(LogConfig, oConfigPath, Application.StartupPath)
+        _Helpers = New DocumentResultList(_LogConfig)
         _Environment = Environment
         _Params = Params
         _ResultLists = Params.Results
@@ -128,7 +129,7 @@ Public Class frmDataResultList
     End Sub
 
     Private Sub GridView_FocusedRowChanged(sender As Object, e As FocusedRowChangedEventArgs)
-        _ActiveRowHandle = e.FocusedRowHandle
+        _Helpers.SetRowHandle(e)
     End Sub
 
     Private Sub GridControl_Enter(sender As GridControl, e As EventArgs) Handles GridControl1.Enter, GridControl2.Enter, GridControl3.Enter
@@ -204,7 +205,7 @@ Public Class frmDataResultList
 
     Private Function GetActiveRow() As DataRow
         Dim oActiveGrid = GetActiveGridControl()
-        Dim oActiveRowhandle = GetActiveRowHandle()
+        Dim oActiveRowhandle = _Helpers.ActiveRowHandle
 
         If oActiveGrid IsNot Nothing And oActiveRowhandle <> Constants.NO_ROW_HANDLE Then
             Dim oView = DirectCast(oActiveGrid.DefaultView, GridView)
@@ -223,14 +224,6 @@ Public Class frmDataResultList
         Return _ActiveGrid
     End Function
 
-    Private Function GetActiveRowHandle() As Integer
-        If _ActiveRowHandle = Constants.NO_ROW_HANDLE Then
-            Return Constants.NO_ROW_HANDLE
-        End If
-
-        Return _ActiveRowHandle
-    End Function
-
     Private Sub BarButtonItem1_ItemClick(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles BarButtonItem1.ItemClick
         Dim oActiveGrid = GetActiveGridControl()
 

GUIs.Common/DocumentResultList/DocumentResultList.vb

@@ -0,0 +1,61 @@
+Imports System.Drawing
+Imports System.IO
+Imports DevExpress.XtraGrid.Views.Base
+Imports DigitalData.Modules.Logging
+
+Public Class DocumentResultList
+    Private Logger As Logger
+
+    Public ActiveRowHandle As Integer = Constants.NO_ROW_HANDLE
+
+    Public Sub New(LogConfig As LogConfig)
+        Logger = LogConfig.GetLogger()
+    End Sub
+
+    Public Sub SetRowHandle(e As FocusedRowChangedEventArgs)
+        ActiveRowHandle = e.FocusedRowHandle
+    End Sub
+
+    Public Function GetIconByExtension(FilePath As String) As Bitmap
+        Dim oFileextension = Path.GetExtension(FilePath)
+
+        Select Case oFileextension.ToUpper
+            Case ".csv".ToUpper
+                Return My.Resources.xls
+            Case ".txt".ToUpper
+                Return My.Resources.txt
+            Case ".pdf".ToUpper
+                Return My.Resources.pdf
+            Case ".doc".ToUpper
+                Return My.Resources.doc
+            Case ".docx".ToUpper
+                Return My.Resources.doc
+            Case ".xls".ToUpper
+                Return My.Resources.xls
+            Case ".xlsx".ToUpper
+                Return My.Resources.xls
+            Case ".xlsm".ToUpper
+                Return My.Resources.xls
+            Case ".ppt".ToUpper
+                Return My.Resources.ppt
+            Case ".pptx".ToUpper
+                Return My.Resources.ppt
+            Case ".dwg".ToUpper
+                Return My.Resources.dwg
+            Case ".dxf".ToUpper
+                Return My.Resources.dxf
+            Case ".msg".ToUpper
+                Return My.Resources._page
+            Case ".msg".ToUpper
+                Return My.Resources._page
+            Case ".tif".ToUpper
+                Return My.Resources.tiff
+            Case ".tiff".ToUpper
+                Return My.Resources.tiff
+            Case ".jpg".ToUpper
+                Return My.Resources.jpg
+            Case Else
+                Return My.Resources._blank
+        End Select
+    End Function
+End Class

GUIs.Common/DocumentResultList/DocumentResultParams.vb

@@ -4,8 +4,15 @@
     ''' </summary>
     Public WindowGuid As String
     Public Results As New List(Of DocumentResult)
+    Public ColumnNames As New ColumnNames
 End Class
 
 Public Class DocumentResult
     Inherits BaseResult
 End Class
+
+Public Class ColumnNames
+    Public ObjectIdColumn As String = "DocId"
+    Public FullPathColumn As String = "FULL_PATH"
+    Public FilenameColumn As String = "Filename"
+End Class

GUIs.Common/DocumentResultList/frmDocumentResultList.Designer.vb

@@ -32,6 +32,12 @@ Partial Class frmDocumentResultList
         Me.labelResultCount = New DevExpress.XtraBars.BarStaticItem()
         Me.BarButtonBack = New DevExpress.XtraBars.BarButtonItem()
         Me.BarButtonItem5 = New DevExpress.XtraBars.BarButtonItem()
+        Me.BarEditItem1 = New DevExpress.XtraBars.BarEditItem()
+        Me.RepositoryItemTextEdit1 = New DevExpress.XtraEditors.Repository.RepositoryItemTextEdit()
+        Me.BarEditItem2 = New DevExpress.XtraBars.BarEditItem()
+        Me.RepositoryItemTextEdit2 = New DevExpress.XtraEditors.Repository.RepositoryItemTextEdit()
+        Me.labelCriticalError = New DevExpress.XtraBars.BarStaticItem()
+        Me.labelWarning = New DevExpress.XtraBars.BarStaticItem()
         Me.RibbonPage1 = New DevExpress.XtraBars.Ribbon.RibbonPage()
         Me.RibbonPageGroup_Navigation = New DevExpress.XtraBars.Ribbon.RibbonPageGroup()
         Me.RibbonPageGroup_Layout = New DevExpress.XtraBars.Ribbon.RibbonPageGroup()
@@ -52,6 +58,8 @@ Partial Class frmDocumentResultList
         Me.DocumentViewer1 = New DigitalData.Controls.DocumentViewer.DocumentViewer()
         Me.XtraSaveFileDialog = New DevExpress.XtraEditors.XtraSaveFileDialog(Me.components)
         CType(Me.RibbonControl, System.ComponentModel.ISupportInitialize).BeginInit()
+        CType(Me.RepositoryItemTextEdit1, System.ComponentModel.ISupportInitialize).BeginInit()
+        CType(Me.RepositoryItemTextEdit2, System.ComponentModel.ISupportInitialize).BeginInit()
         CType(Me.SplitContainerControl1, System.ComponentModel.ISupportInitialize).BeginInit()
         Me.SplitContainerControl1.SuspendLayout()
         CType(Me.GridControl1, System.ComponentModel.ISupportInitialize).BeginInit()
@@ -69,13 +77,14 @@ Partial Class frmDocumentResultList
         'RibbonControl
         '
         Me.RibbonControl.ExpandCollapseItem.Id = 0
-        Me.RibbonControl.Items.AddRange(New DevExpress.XtraBars.BarItem() {Me.RibbonControl.ExpandCollapseItem, Me.RibbonControl.SearchEditItem, Me.SwitchMainContainerHorizontal, Me.SwitchDetailContainerHorizontal, Me.BarButtonItemExportGrid1, Me.BarButtonItem1, Me.BarButtonItem2, Me.BarButtonItem3, Me.BarStaticItem1, Me.labelResultCount, Me.BarButtonBack, Me.BarButtonItem5})
+        Me.RibbonControl.Items.AddRange(New DevExpress.XtraBars.BarItem() {Me.RibbonControl.ExpandCollapseItem, Me.RibbonControl.SearchEditItem, Me.SwitchMainContainerHorizontal, Me.SwitchDetailContainerHorizontal, Me.BarButtonItemExportGrid1, Me.BarButtonItem1, Me.BarButtonItem2, Me.BarButtonItem3, Me.BarStaticItem1, Me.labelResultCount, Me.BarButtonBack, Me.BarButtonItem5, Me.BarEditItem1, Me.BarEditItem2, Me.labelCriticalError, Me.labelWarning})
         Me.RibbonControl.Location = New System.Drawing.Point(0, 0)
-        Me.RibbonControl.MaxItemId = 12
+        Me.RibbonControl.MaxItemId = 16
         Me.RibbonControl.Name = "RibbonControl"
         Me.RibbonControl.Pages.AddRange(New DevExpress.XtraBars.Ribbon.RibbonPage() {Me.RibbonPage1})
+        Me.RibbonControl.RepositoryItems.AddRange(New DevExpress.XtraEditors.Repository.RepositoryItem() {Me.RepositoryItemTextEdit1, Me.RepositoryItemTextEdit2})
         Me.RibbonControl.ShowApplicationButton = DevExpress.Utils.DefaultBoolean.[False]
-        Me.RibbonControl.Size = New System.Drawing.Size(1189, 159)
+        Me.RibbonControl.Size = New System.Drawing.Size(1189, 158)
         Me.RibbonControl.StatusBar = Me.RibbonStatusBar
         '
         'SwitchMainContainerHorizontal
@@ -151,6 +160,54 @@ Partial Class frmDocumentResultList
         Me.BarButtonItem5.ImageOptions.SvgImage = CType(resources.GetObject("BarButtonItem5.ImageOptions.SvgImage"), DevExpress.Utils.Svg.SvgImage)
         Me.BarButtonItem5.Name = "BarButtonItem5"
         '
+        'BarEditItem1
+        '
+        Me.BarEditItem1.Caption = "BarEditItem1"
+        Me.BarEditItem1.CaptionToEditorIndent = 0
+        Me.BarEditItem1.Edit = Me.RepositoryItemTextEdit1
+        Me.BarEditItem1.Id = 12
+        Me.BarEditItem1.Name = "BarEditItem1"
+        '
+        'RepositoryItemTextEdit1
+        '
+        Me.RepositoryItemTextEdit1.AutoHeight = False
+        Me.RepositoryItemTextEdit1.Name = "RepositoryItemTextEdit1"
+        '
+        'BarEditItem2
+        '
+        Me.BarEditItem2.Caption = "BarEditItem2"
+        Me.BarEditItem2.Edit = Me.RepositoryItemTextEdit2
+        Me.BarEditItem2.Id = 13
+        Me.BarEditItem2.Name = "BarEditItem2"
+        '
+        'RepositoryItemTextEdit2
+        '
+        Me.RepositoryItemTextEdit2.AutoHeight = False
+        Me.RepositoryItemTextEdit2.Name = "RepositoryItemTextEdit2"
+        '
+        'labelCriticalError
+        '
+        Me.labelCriticalError.Caption = "Critical Error"
+        Me.labelCriticalError.Id = 14
+        Me.labelCriticalError.ImageOptions.SvgImage = CType(resources.GetObject("labelCriticalError.ImageOptions.SvgImage"), DevExpress.Utils.Svg.SvgImage)
+        Me.labelCriticalError.ItemAppearance.Normal.BackColor = System.Drawing.Color.White
+        Me.labelCriticalError.ItemAppearance.Normal.ForeColor = DevExpress.LookAndFeel.DXSkinColors.ForeColors.Critical
+        Me.labelCriticalError.ItemAppearance.Normal.Options.UseBackColor = True
+        Me.labelCriticalError.ItemAppearance.Normal.Options.UseForeColor = True
+        Me.labelCriticalError.Name = "labelCriticalError"
+        Me.labelCriticalError.PaintStyle = DevExpress.XtraBars.BarItemPaintStyle.CaptionGlyph
+        Me.labelCriticalError.Visibility = DevExpress.XtraBars.BarItemVisibility.OnlyInCustomizing
+        '
+        'labelWarning
+        '
+        Me.labelWarning.Caption = "Warning"
+        Me.labelWarning.Id = 15
+        Me.labelWarning.ImageOptions.SvgImage = CType(resources.GetObject("labelWarning.ImageOptions.SvgImage"), DevExpress.Utils.Svg.SvgImage)
+        Me.labelWarning.ItemAppearance.Normal.BackColor = System.Drawing.Color.White
+        Me.labelWarning.ItemAppearance.Normal.Options.UseBackColor = True
+        Me.labelWarning.Name = "labelWarning"
+        Me.labelWarning.Visibility = DevExpress.XtraBars.BarItemVisibility.OnlyInCustomizing
+        '
         'RibbonPage1
         '
         Me.RibbonPage1.Groups.AddRange(New DevExpress.XtraBars.Ribbon.RibbonPageGroup() {Me.RibbonPageGroup_Navigation, Me.RibbonPageGroup_Layout, Me.RibbonPageGroup_Export})
@@ -183,10 +240,12 @@ Partial Class frmDocumentResultList
         'RibbonStatusBar
         '
         Me.RibbonStatusBar.ItemLinks.Add(Me.labelResultCount)
-        Me.RibbonStatusBar.Location = New System.Drawing.Point(0, 649)
+        Me.RibbonStatusBar.ItemLinks.Add(Me.labelCriticalError)
+        Me.RibbonStatusBar.ItemLinks.Add(Me.labelWarning)
+        Me.RibbonStatusBar.Location = New System.Drawing.Point(0, 647)
         Me.RibbonStatusBar.Name = "RibbonStatusBar"
         Me.RibbonStatusBar.Ribbon = Me.RibbonControl
-        Me.RibbonStatusBar.Size = New System.Drawing.Size(1189, 22)
+        Me.RibbonStatusBar.Size = New System.Drawing.Size(1189, 24)
         '
         'SplitContainerControl1
         '
@@ -198,7 +257,7 @@ Partial Class frmDocumentResultList
         Me.SplitContainerControl1.Panel1.Text = "Panel1"
         Me.SplitContainerControl1.Panel2.Controls.Add(Me.SplitContainerControl2)
         Me.SplitContainerControl1.Panel2.Text = "Panel2"
-        Me.SplitContainerControl1.Size = New System.Drawing.Size(762, 490)
+        Me.SplitContainerControl1.Size = New System.Drawing.Size(762, 489)
         Me.SplitContainerControl1.SplitterPosition = 382
         Me.SplitContainerControl1.TabIndex = 2
         Me.SplitContainerControl1.Text = "SplitContainerControl1"
@@ -210,7 +269,7 @@ Partial Class frmDocumentResultList
         Me.GridControl1.MainView = Me.GridView1
         Me.GridControl1.MenuManager = Me.RibbonControl
         Me.GridControl1.Name = "GridControl1"
-        Me.GridControl1.Size = New System.Drawing.Size(382, 490)
+        Me.GridControl1.Size = New System.Drawing.Size(382, 489)
         Me.GridControl1.TabIndex = 0
         Me.GridControl1.ViewCollection.AddRange(New DevExpress.XtraGrid.Views.Base.BaseView() {Me.GridView1})
         '
@@ -250,7 +309,7 @@ Partial Class frmDocumentResultList
         Me.SplitContainerControl2.Panel1.Text = "Panel1"
         Me.SplitContainerControl2.Panel2.Controls.Add(Me.GridControl3)
         Me.SplitContainerControl2.Panel2.Text = "Panel2"
-        Me.SplitContainerControl2.Size = New System.Drawing.Size(370, 490)
+        Me.SplitContainerControl2.Size = New System.Drawing.Size(370, 489)
         Me.SplitContainerControl2.SplitterPosition = 223
         Me.SplitContainerControl2.TabIndex = 0
         Me.SplitContainerControl2.Text = "SplitContainerControl2"
@@ -295,7 +354,7 @@ Partial Class frmDocumentResultList
         Me.GridControl3.MainView = Me.GridView3
         Me.GridControl3.MenuManager = Me.RibbonControl
         Me.GridControl3.Name = "GridControl3"
-        Me.GridControl3.Size = New System.Drawing.Size(370, 257)
+        Me.GridControl3.Size = New System.Drawing.Size(370, 256)
         Me.GridControl3.TabIndex = 0
         Me.GridControl3.ViewCollection.AddRange(New DevExpress.XtraGrid.Views.Base.BaseView() {Me.GridView3})
         '
@@ -324,13 +383,13 @@ Partial Class frmDocumentResultList
         'SplitContainerControl3
         '
         Me.SplitContainerControl3.Dock = System.Windows.Forms.DockStyle.Fill
-        Me.SplitContainerControl3.Location = New System.Drawing.Point(0, 159)
+        Me.SplitContainerControl3.Location = New System.Drawing.Point(0, 158)
         Me.SplitContainerControl3.Name = "SplitContainerControl3"
         Me.SplitContainerControl3.Panel1.Controls.Add(Me.SplitContainerControl1)
         Me.SplitContainerControl3.Panel1.Text = "Panel1"
         Me.SplitContainerControl3.Panel2.Controls.Add(Me.DocumentViewer1)
         Me.SplitContainerControl3.Panel2.Text = "Panel2"
-        Me.SplitContainerControl3.Size = New System.Drawing.Size(1189, 490)
+        Me.SplitContainerControl3.Size = New System.Drawing.Size(1189, 489)
         Me.SplitContainerControl3.SplitterPosition = 762
         Me.SplitContainerControl3.TabIndex = 5
         Me.SplitContainerControl3.Text = "SplitContainerControl3"
@@ -338,9 +397,10 @@ Partial Class frmDocumentResultList
         'DocumentViewer1
         '
         Me.DocumentViewer1.Dock = System.Windows.Forms.DockStyle.Fill
+        Me.DocumentViewer1.FileLoaded = False
         Me.DocumentViewer1.Location = New System.Drawing.Point(0, 0)
         Me.DocumentViewer1.Name = "DocumentViewer1"
-        Me.DocumentViewer1.Size = New System.Drawing.Size(417, 490)
+        Me.DocumentViewer1.Size = New System.Drawing.Size(417, 489)
         Me.DocumentViewer1.TabIndex = 0
         '
         'XtraSaveFileDialog
@@ -363,6 +423,8 @@ Partial Class frmDocumentResultList
         Me.StatusBar = Me.RibbonStatusBar
         Me.Text = "Dokumenten Suche"
         CType(Me.RibbonControl, System.ComponentModel.ISupportInitialize).EndInit()
+        CType(Me.RepositoryItemTextEdit1, System.ComponentModel.ISupportInitialize).EndInit()
+        CType(Me.RepositoryItemTextEdit2, System.ComponentModel.ISupportInitialize).EndInit()
         CType(Me.SplitContainerControl1, System.ComponentModel.ISupportInitialize).EndInit()
         Me.SplitContainerControl1.ResumeLayout(False)
         CType(Me.GridControl1, System.ComponentModel.ISupportInitialize).EndInit()
@@ -410,4 +472,10 @@ Partial Class frmDocumentResultList
     Friend WithEvents BarButtonBack As DevExpress.XtraBars.BarButtonItem
     Friend WithEvents RibbonPageGroup_Navigation As DevExpress.XtraBars.Ribbon.RibbonPageGroup
     Friend WithEvents BarButtonItem5 As DevExpress.XtraBars.BarButtonItem
+    Friend WithEvents BarEditItem1 As DevExpress.XtraBars.BarEditItem
+    Friend WithEvents RepositoryItemTextEdit1 As DevExpress.XtraEditors.Repository.RepositoryItemTextEdit
+    Friend WithEvents BarEditItem2 As DevExpress.XtraBars.BarEditItem
+    Friend WithEvents RepositoryItemTextEdit2 As DevExpress.XtraEditors.Repository.RepositoryItemTextEdit
+    Friend WithEvents labelCriticalError As DevExpress.XtraBars.BarStaticItem
+    Friend WithEvents labelWarning As DevExpress.XtraBars.BarStaticItem
 End Class

GUIs.Common/DocumentResultList/frmDocumentResultList.resx

@@ -290,6 +290,50 @@
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         MTAgMTYsMTQgMTIsMTAgMTAsMTIgMTQsMTYgMTAsMjAgMTIsMjIgMTYsMTggMjAsMjIgMjIsMjAgMTgs
         MTYgIiBjbGFzcz0iUmVkIiAvPg0KPC9zdmc+Cw==
+</value>
+  </data>
+  <data name="labelCriticalError.ImageOptions.SvgImage" type="DevExpress.Utils.Svg.SvgImage, DevExpress.Data.v19.2" mimetype="application/x-microsoft.net.object.bytearray.base64">
+    <value>
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+  </data>
+  <data name="labelWarning.ImageOptions.SvgImage" type="DevExpress.Utils.Svg.SvgImage, DevExpress.Data.v19.2" mimetype="application/x-microsoft.net.object.bytearray.base64">
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   </data>
   <metadata name="XtraSaveFileDialog.TrayLocation" type="System.Drawing.Point, System.Drawing, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">

GUIs.Common/DocumentResultList/frmDocumentResultList.vb

@@ -21,10 +21,11 @@ Imports System.Threading
 Public Class frmDocumentResultList
     Implements IResultForm
 
-    Private Const COLUMN_ICON = "ICON"
+
-    Private Const COLUMN_FILEPATH = "FULL_FILENAME"
+    Private COLUMN_FILEPATH = "FULL_FILENAME"
-    Private Const COLUMN_FILENAME = "Filename"
+    Private COLUMN_FILENAME = "Filename"
-    Private Const COLUMN_DOCID = "DocID"
+    Private COLUMN_DOCID = "DocID"
+    Private COLUMN_ICON = "ICON"
 
     Private _IsLoading As Boolean = True
     Private _IsLegacy As Boolean = True
@@ -36,10 +37,10 @@ Public Class frmDocumentResultList
     Private _Environment As Environment
     Private _Params As DocumentResultParams
     Private _ResultLists As List(Of DocumentResult)
+    Private _Helpers As DocumentResultList
 
     Private _ActiveGrid As GridControl = Nothing
     Private _ActiveGridBand As GridBand = Nothing
-    Private _ActiveRowHandle As Integer = Constants.NO_ROW_HANDLE
 
     Private _DocumentInfo As DocumentInfo = Nothing
 
@@ -52,47 +53,29 @@ Public Class frmDocumentResultList
         ' Fügen Sie Initialisierungen nach dem InitializeComponent()-Aufruf hinzu.
         Dim oConfigPath As String = Path.Combine(Application.UserAppDataPath, "ResultList", Params.WindowGuid)
 
+        COLUMN_DOCID = Params.ColumnNames.ObjectIdColumn
+        COLUMN_FILENAME = Params.ColumnNames.FilenameColumn
+        COLUMN_FILEPATH = Params.ColumnNames.FullPathColumn
+
         _LogConfig = LogConfig
         _Logger = LogConfig.GetLogger()
         _Config = New ConfigManager(Of DocumentResultConfig)(LogConfig, oConfigPath, oConfigPath)
+        _Helpers = New DocumentResultList(LogConfig)
+
         _Environment = Environment
         _Params = Params
         _ResultLists = Params.Results
-        Try
-            Dim Culture = CultureInfo.CreateSpecificCulture(_Environment.User.Language)
-            ' The following line provides localization for the application's user interface.
-            Thread.CurrentThread.CurrentUICulture = Culture
-            ' The following line provides localization for data formats.
-            Thread.CurrentThread.CurrentCulture = Culture
-            ' Set this culture as the default culture for all threads in this application. 
-            ' Note: The following properties are supported in the .NET Framework 4.5+
-            CultureInfo.DefaultThreadCurrentCulture = Culture
-            CultureInfo.DefaultThreadCurrentUICulture = Culture
-            Culture.DateTimeFormat.ShortDatePattern = _Environment.User.DateFormat
-        Catch ex As Exception
-            _Logger.Warn($"Error loading CultureInfo: {ex.Message}")
-        End Try
-        MaybeInitIDB()
-    End Sub
-
-    Private Sub MaybeInitIDB()
-        _IsLegacy = Not _Environment.Service.IsActive
-        If _Environment.Service.IsActive Then
-            Dim oSplit As List(Of String) = _Environment.Service.Address.Split(":").ToList()
-            Dim oAddress As String = oSplit.Item(0)
-            Dim oPort As Integer = oSplit.Item(1)
-
-            _IDBClient = New Client(_LogConfig, oAddress, oPort)
-
-            If Not _IDBClient.Connect() Then
-                _Logger.Warn("Client could not connect to Service at [{0}]", _Environment.Service.Address)
-            End If
-        End If
     End Sub
 
     Private Sub frmDocumentResultList_Load(sender As Object, e As EventArgs) Handles MyBase.Load
         Try
+            MaybeInitIDB()
 
+            ' Initialize Viewer with GDPicture.NET License
+            If _Environment.Settings.GdPictureKey = String.Empty Then
+                Throw New ApplicationException("GDPicture Licensekey is missing!")
+            End If
+            DocumentViewer1.Init(_LogConfig, _Environment.Settings.GdPictureKey)
 
             ' Load config
             SplitContainerControl1.SplitterPosition = _Config.Config.SplitContainer1Distance
@@ -115,12 +98,6 @@ Public Class frmDocumentResultList
                 SwitchDetailContainerHorizontal.Visibility = DevExpress.XtraBars.BarItemVisibility.Never
             End If
 
-            'RibbonControl.Minimized = True
-
-            ' Initialize Viewer with GDPicture.NET License
-            DocumentViewer1.Init(_LogConfig, _Environment.Settings.GdPictureKey)
-
-
             AddHandler GridView1.FocusedRowChanged, AddressOf GridView_FocusedRowChanged
             AddHandler GridView2.FocusedRowChanged, AddressOf GridView_FocusedRowChanged
             AddHandler GridView3.FocusedRowChanged, AddressOf GridView_FocusedRowChanged
@@ -136,9 +113,10 @@ Public Class frmDocumentResultList
     End Sub
 
     Private Sub GridView_FocusedRowChanged(sender As GridView, e As FocusedRowChangedEventArgs)
-        _ActiveRowHandle = e.FocusedRowHandle
+        _Helpers.SetRowHandle(e)
 
         Try
+            Reset_Errors()
             Cursor = Cursors.WaitCursor
 
             If e.FocusedRowHandle >= 0 Then
@@ -151,6 +129,9 @@ Public Class frmDocumentResultList
                     LoadFile_IDB(oRow)
                 End If
 
+                If IsNothing(_DocumentInfo) Or DocumentViewer1.FileLoaded = False Then
+                    Show_Warning("File could not be loaded!")
+                End If
                 DocumentViewer1.LoadFile(_DocumentInfo.FullPath)
 
                 If _DocumentInfo.AccessRight = Rights.AccessRight.VIEW_ONLY Then
@@ -163,12 +144,27 @@ Public Class frmDocumentResultList
             End If
         Catch ex As Exception
             _Logger.Error(ex)
-            MsgBox("Error while changing row: " & ex.Message, MsgBoxStyle.Critical, Text)
+            Show_CriticalError(ex.Message)
         Finally
             Cursor = Cursors.Default
         End Try
     End Sub
 
+    Private Sub MaybeInitIDB()
+        _IsLegacy = Not _Environment.Service.IsActive
+        If _Environment.Service.IsActive Then
+            Dim oSplit As List(Of String) = _Environment.Service.Address.Split(":").ToList()
+            Dim oAddress As String = oSplit.Item(0)
+            Dim oPort As Integer = oSplit.Item(1)
+
+            _IDBClient = New Client(_LogConfig, oAddress, oPort)
+
+            If Not _IDBClient.Connect() Then
+                _Logger.Warn("Client could not connect to Service at [{0}]", _Environment.Service.Address)
+            End If
+        End If
+    End Sub
+
     Private Sub LoadFile_Legacy(GridRow As DataRow)
         Try
             Dim oFullPath = GridRow.Item(COLUMN_FILEPATH)
@@ -192,7 +188,6 @@ Public Class frmDocumentResultList
             _DocumentInfo = _IDBClient.GetDocumentInfo(_Environment.User.UserId, oObjectId)
         Catch ex As Exception
             _Logger.Error(ex)
-            MsgBox("Error while loading file", MsgBoxStyle.Critical, Text)
         End Try
     End Sub
 
@@ -276,7 +271,6 @@ Public Class frmDocumentResultList
 
         labelResultCount.Caption = String.Format(labelResultCount.Caption, oTotalResults)
     End Sub
-
     Private Sub UpdateGridHeader(pResultList As List(Of DocumentResult), pIndex As Integer, pCount As Integer)
         Select Case pIndex
             Case 0
@@ -296,6 +290,14 @@ Public Class frmDocumentResultList
     Private Sub CreateDocumentGrid(GridView As GridView, Datatable As DataTable)
         Dim oDocDatatable As New DataTable
         Try
+            If Datatable.Columns.Contains(COLUMN_DOCID) = False Then
+                Throw New ApplicationException($"Datatable is missing DocId Column [{COLUMN_DOCID}]!")
+            End If
+
+            If Datatable.Columns.Contains(COLUMN_FILEPATH) = False Then
+                Throw New ApplicationException($"Datatable is missing Filepath Column [{COLUMN_FILEPATH}]!")
+            End If
+
             'Die Icon Colum erstellen und konfigurieren
             oDocDatatable.Columns.Add(New DataColumn() With {
                 .DataType = GetType(Image),
@@ -314,7 +316,7 @@ Public Class frmDocumentResultList
             })
             oDocDatatable.Columns.Add(New DataColumn() With {
                 .DataType = GetType(String),
-                .ColumnName = "Filename",
+                .ColumnName = COLUMN_FILENAME,
                 .Caption = "Filename"
             })
 
@@ -340,12 +342,12 @@ Public Class frmDocumentResultList
                 oNewRow = oDocDatatable.NewRow()
 
                 'Icon zuweisen
-                oNewRow.Item(0) = GetIconByExtension(oFullpath)
+                oNewRow.Item(COLUMN_ICON) = _Helpers.GetIconByExtension(oFullpath)
 
                 'Den Filepath mitgeben
-                oNewRow.Item(1) = oFullpath
+                oNewRow.Item(COLUMN_FILEPATH) = oFullpath
-                oNewRow.Item(2) = oDocID
+                oNewRow.Item(COLUMN_DOCID) = oDocID
-                oNewRow.Item(3) = oFilename
+                oNewRow.Item(COLUMN_FILENAME) = oFilename
 
                 Dim oIndex = 4 'Fängt bei 4 an, um die definierten Spalten zu überspringen
                 For Each oColumnName As String In oRestColArray
@@ -404,55 +406,14 @@ Public Class frmDocumentResultList
 
             GridView.OptionsView.BestFitMaxRowCount = -1
             GridView.BestFitColumns(True)
+        Catch ex As ApplicationException
+            MsgBox($"Error while loading grid data: {vbNewLine}{vbNewLine}{ex.Message}", MsgBoxStyle.Critical, Text)
+            _Logger.Error(ex)
         Catch ex As Exception
             _Logger.Error(ex)
         End Try
     End Sub
 
-    Private Function GetIconByExtension(FilePath As String) As Bitmap
-        Dim oFileextension = Path.GetExtension(FilePath)
-
-        Select Case oFileextension.ToUpper
-            Case ".csv".ToUpper
-                Return My.Resources.xls
-            Case ".txt".ToUpper
-                Return My.Resources.txt
-            Case ".pdf".ToUpper
-                Return My.Resources.pdf
-            Case ".doc".ToUpper
-                Return My.Resources.doc
-            Case ".docx".ToUpper
-                Return My.Resources.doc
-            Case ".xls".ToUpper
-                Return My.Resources.xls
-            Case ".xlsx".ToUpper
-                Return My.Resources.xls
-            Case ".xlsm".ToUpper
-                Return My.Resources.xls
-            Case ".ppt".ToUpper
-                Return My.Resources.ppt
-            Case ".pptx".ToUpper
-                Return My.Resources.ppt
-            Case ".dwg".ToUpper
-                Return My.Resources.dwg
-            Case ".dxf".ToUpper
-                Return My.Resources.dxf
-            Case ".msg".ToUpper
-                Return My.Resources._page
-            Case ".msg".ToUpper
-                Return My.Resources._page
-            Case ".tif".ToUpper
-                Return My.Resources.tiff
-            Case ".tiff".ToUpper
-                Return My.Resources.tiff
-            Case ".jpg".ToUpper
-                Return My.Resources.jpg
-            Case Else
-                Return My.Resources._blank
-        End Select
-    End Function
-
-
     Private Sub SwitchMainContainerHorizontal_CheckedChanged(sender As Object, e As DevExpress.XtraBars.ItemClickEventArgs) Handles SwitchMainContainerHorizontal.CheckedChanged
         SplitContainerControl1.Horizontal = SwitchMainContainerHorizontal.Checked
 
@@ -508,7 +469,7 @@ Public Class frmDocumentResultList
 
     Private Function GetActiveRow() As DataRow
         Dim oActiveGrid = GetActiveGridControl()
-        Dim oActiveRowhandle = GetActiveRowHandle()
+        Dim oActiveRowhandle = _Helpers.ActiveRowHandle
 
         If oActiveGrid IsNot Nothing And oActiveRowhandle <> Constants.NO_ROW_HANDLE Then
             Dim oView = DirectCast(oActiveGrid.DefaultView, GridView)
@@ -527,13 +488,7 @@ Public Class frmDocumentResultList
         Return _ActiveGrid
     End Function
 
-    Private Function GetActiveRowHandle() As Integer
-        If _ActiveRowHandle = Constants.NO_ROW_HANDLE Then
-            Return Constants.NO_ROW_HANDLE
-        End If
 
-        Return _ActiveRowHandle
-    End Function
 
     Private Sub GridControl_Enter(sender As GridControl, e As EventArgs) Handles GridControl1.Enter, GridControl2.Enter, GridControl3.Enter
         _ActiveGrid = sender
@@ -674,4 +629,20 @@ Public Class frmDocumentResultList
             MsgBox("Unexpected Error while preparing context menu", MsgBoxStyle.Critical, Text)
         End Try
     End Sub
+
+
+    Public Sub Show_CriticalError(Message As String)
+        labelCriticalError.Visibility = DevExpress.XtraBars.BarItemVisibility.Always
+        labelCriticalError.Caption = Message
+    End Sub
+
+    Public Sub Show_Warning(Message As String)
+        labelWarning.Visibility = DevExpress.XtraBars.BarItemVisibility.Never
+        labelWarning.Caption = Message
+    End Sub
+
+    Public Sub Reset_Errors()
+        labelCriticalError.Visibility = DevExpress.XtraBars.BarItemVisibility.Never
+        labelWarning.Visibility = DevExpress.XtraBars.BarItemVisibility.Never
+    End Sub
 End Class

GUIs.Common/My Project/licenses.licx

@@ -1,7 +1,8 @@
 DevExpress.XtraLayout.LayoutControl, DevExpress.XtraLayout.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
-DevExpress.XtraEditors.Repository.RepositoryItemComboBox, DevExpress.XtraEditors.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
 DevExpress.XtraEditors.ProgressBarControl, DevExpress.XtraEditors.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
-DevExpress.XtraGrid.GridControl, DevExpress.XtraGrid.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
+DevExpress.XtraEditors.Repository.RepositoryItemTextEdit, DevExpress.XtraEditors.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
-DevExpress.XtraBars.Ribbon.RibbonControl, DevExpress.XtraBars.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
 DevExpress.XtraEditors.TextEdit, DevExpress.XtraEditors.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
 DevExpress.XtraEditors.GridLookUpEdit, DevExpress.XtraGrid.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
+DevExpress.XtraEditors.Repository.RepositoryItemComboBox, DevExpress.XtraEditors.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
+DevExpress.XtraBars.Ribbon.RibbonControl, DevExpress.XtraBars.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a
+DevExpress.XtraGrid.GridControl, DevExpress.XtraGrid.v19.2, Version=19.2.3.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a