fix zoom display

Controls.DocumentViewer/DocumentViewer.Designer.vb

@@ -38,7 +38,7 @@ Partial Class DocumentViewer
         Me.ToolStripSeparator6 = New System.Windows.Forms.ToolStripSeparator()
         Me.btnFirstPage = New System.Windows.Forms.ToolStripButton()
         Me.btnPreviousPage = New System.Windows.Forms.ToolStripButton()
-        Me.tbCurrentPage = New System.Windows.Forms.ToolStripTextBox()
+        Me.txtCurrentPage = New System.Windows.Forms.ToolStripTextBox()
         Me.lblPageCount = New System.Windows.Forms.ToolStripLabel()
         Me.btnNextPage = New System.Windows.Forms.ToolStripButton()
         Me.btnLastPage = New System.Windows.Forms.ToolStripButton()
@@ -136,7 +136,7 @@ Partial Class DocumentViewer
         Me.mainToolStrip.Font = New System.Drawing.Font("Tahoma", 9.0!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
         Me.mainToolStrip.GripStyle = System.Windows.Forms.ToolStripGripStyle.Hidden
         Me.mainToolStrip.ImageScalingSize = New System.Drawing.Size(24, 24)
-        Me.mainToolStrip.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.btnPrint, Me.btnFitWidth, Me.btnFitPage, Me.ToolStripSeparator2, Me.btnMouseMode, Me.ToolStripSeparator6, Me.btnFirstPage, Me.btnPreviousPage, Me.tbCurrentPage, Me.lblPageCount, Me.btnNextPage, Me.btnLastPage, Me.ToolStripSeparator1, Me.btnZoomOut, Me.cbZoom, Me.btnZoomIn, Me.ToolStripSeparator5, Me.btnRotateLeft, Me.btnRotateRight, Me.btnFlipX, Me.btnFlipY, Me.ToolStripSeparator4, Me.btnSettings})
+        Me.mainToolStrip.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.btnPrint, Me.btnFitWidth, Me.btnFitPage, Me.ToolStripSeparator2, Me.btnMouseMode, Me.ToolStripSeparator6, Me.btnFirstPage, Me.btnPreviousPage, Me.txtCurrentPage, Me.lblPageCount, Me.btnNextPage, Me.btnLastPage, Me.ToolStripSeparator1, Me.btnZoomOut, Me.cbZoom, Me.btnZoomIn, Me.ToolStripSeparator5, Me.btnRotateLeft, Me.btnRotateRight, Me.btnFlipX, Me.btnFlipY, Me.ToolStripSeparator4, Me.btnSettings})
         Me.mainToolStrip.Location = New System.Drawing.Point(0, 0)
         Me.mainToolStrip.Name = "mainToolStrip"
         Me.mainToolStrip.Size = New System.Drawing.Size(1015, 31)
@@ -254,10 +254,10 @@ Partial Class DocumentViewer
         '
         'tbCurrentPage
         '
-        Me.tbCurrentPage.Font = New System.Drawing.Font("Tahoma", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
+        Me.txtCurrentPage.Font = New System.Drawing.Font("Tahoma", 9.75!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte))
-        Me.tbCurrentPage.Name = "tbCurrentPage"
+        Me.txtCurrentPage.Name = "tbCurrentPage"
-        Me.tbCurrentPage.Size = New System.Drawing.Size(40, 31)
+        Me.txtCurrentPage.Size = New System.Drawing.Size(40, 31)
-        Me.tbCurrentPage.TextBoxTextAlign = System.Windows.Forms.HorizontalAlignment.Right
+        Me.txtCurrentPage.TextBoxTextAlign = System.Windows.Forms.HorizontalAlignment.Right
         '
         'lblPageCount
         '
@@ -438,7 +438,7 @@ Partial Class DocumentViewer
     Friend WithEvents ToolStripSeparator6 As ToolStripSeparator
     Friend WithEvents btnFirstPage As ToolStripButton
     Friend WithEvents btnPreviousPage As ToolStripButton
-    Friend WithEvents tbCurrentPage As ToolStripTextBox
+    Friend WithEvents txtCurrentPage As ToolStripTextBox
     Friend WithEvents lblPageCount As ToolStripLabel
     Friend WithEvents btnNextPage As ToolStripButton
     Friend WithEvents btnLastPage As ToolStripButton

Controls.DocumentViewer/DocumentViewer.vb

@@ -323,7 +323,7 @@ Public Class DocumentViewer
             btnPrint.Enabled = False
             btnFirstPage.Enabled = False
             btnPreviousPage.Enabled = False
-            tbCurrentPage.Enabled = False
+            txtCurrentPage.Enabled = False
             lblPageCount.Enabled = False
             btnNextPage.Enabled = False
             btnLastPage.Enabled = False
@@ -336,14 +336,14 @@ Public Class DocumentViewer
             btnRotateRight.Enabled = False
             btnFlipX.Enabled = False
             btnFlipY.Enabled = False
-            tbCurrentPage.Text = "0"
+            txtCurrentPage.Text = "0"
             lblPageCount.Text = "/ 0"
             cbZoom.SelectedIndex = -1
         Else
             btnPrint.Enabled = True
             btnFirstPage.Enabled = True
             btnPreviousPage.Enabled = True
-            tbCurrentPage.Enabled = True
+            txtCurrentPage.Enabled = True
             lblPageCount.Enabled = True
             btnNextPage.Enabled = True
             btnLastPage.Enabled = True
@@ -376,9 +376,9 @@ Public Class DocumentViewer
         GdViewer.DisplayLastPage()
     End Sub
 
-    Private Sub tbCurrentPage_Leave(ByVal sender As System.Object, ByVal e As EventArgs) Handles tbCurrentPage.Leave
+    Private Sub tbCurrentPage_Leave(ByVal sender As System.Object, ByVal e As EventArgs) Handles txtCurrentPage.Leave
         Dim page As Integer = 0
-        If Integer.TryParse(tbCurrentPage.Text, page) Then
+        If Integer.TryParse(txtCurrentPage.Text, page) Then
             If page > 0 And page <= GdViewer.PageCount Then
                 GdViewer.DisplayPage(page)
                 UpdateaNavigationToolbar()
@@ -565,24 +565,25 @@ Public Class DocumentViewer
     End Sub
 
     Private Sub UpdateaNavigationToolbar()
-        Dim currentPage As Integer = GdViewer.CurrentPage()
+        Try
-        tbCurrentPage.Text = currentPage.ToString()
+            Dim oCurrentZoom As Double = GdViewer.Zoom
-        lblPageCount.Text = "/ " & GdViewer.PageCount.ToString()
+            Dim oCurrentPage As Integer = GdViewer.CurrentPage()
-        If currentPage = 1 Then
+            Dim oPageCount As Integer = GdViewer.PageCount
-            btnFirstPage.Enabled = False
+            txtCurrentPage.Text = oCurrentPage.ToString()
-            btnPreviousPage.Enabled = False
+            lblPageCount.Text = "/ " & GdViewer.PageCount.ToString()
-        Else
+
-            btnFirstPage.Enabled = True
+            If oCurrentPage = 1 Or oCurrentPage = oPageCount Then
-            btnPreviousPage.Enabled = True
+                btnFirstPage.Enabled = False
-        End If
+                btnPreviousPage.Enabled = False
-        If currentPage = GdViewer.PageCount Then
+            Else
-            btnNextPage.Enabled = False
+                btnFirstPage.Enabled = True
-            btnLastPage.Enabled = False
+                btnPreviousPage.Enabled = True
-        Else
+            End If
-            btnNextPage.Enabled = True
+
-            btnLastPage.Enabled = True
+            cbZoom.Text = String.Format(format:="{0:#0.##%}", arg0:=oCurrentZoom)
-        End If
+        Catch ex As Exception
-        cbZoom.Text = String.Format(CultureInfo.InvariantCulture, "{0:#0.##%}", GdViewer.Zoom)
+            _logger.Error(ex)
+        End Try
     End Sub
 
     Private Sub btnFitWidth_Click(ByVal sender As Object, ByVal e As EventArgs) Handles btnFitWidth.Click