ByteScout Premium Suite - VB.NET - Set PDF viewer Selection Options and use CustomPaint event with PDF Viewer SDK - ByteScout

ByteScout Premium Suite – VB.NET – Set PDF viewer Selection Options and use CustomPaint event with PDF Viewer SDK

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How to set PDF viewer selection options and use custompaint event with PDF viewer SDK in VB.NET and ByteScout Premium Suite

Step-by-step tutorial on how to set PDF viewer selection options and use custompaint event with PDF viewer SDK in VB.NET

The documentation is designed for a specific purpose to help you to apply the features on your side. ByteScout Premium Suite is the bundle that includes twelve SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can be applied to set PDF viewer selection options and use custompaint event with PDF viewer SDK using VB.NET.

These VB.NET code samples for VB.NET guide developers to speed up coding of the application when using ByteScout Premium Suite. Just copy and paste the code into your VB.NET application’s code and follow the instructions. Further improvement of the code will make it more robust.

All these programming tutorials along with source code samples and ByteScout free trial version are available for download from our website.

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Form1.Designer.vb
      
Partial Class Form1 ''' <summary> ''' Required designer variable. ''' </summary> Private components As System.ComponentModel.IContainer = Nothing ''' <summary> ''' Clean up any resources being used. ''' </summary> ''' <param name="disposing">true if managed resources should be disposed; otherwise, false.</param> Protected Overrides Sub Dispose(disposing As Boolean) If disposing AndAlso (components IsNot Nothing) Then components.Dispose() End If MyBase.Dispose(disposing) End Sub #Region "Windows Form Designer generated code" ''' <summary> ''' Required method for Designer support - do not modify ''' the contents of this method with the code editor. ''' </summary> Private Sub InitializeComponent() Me.pdfViewerControl1 = New Bytescout.PDFViewer.PDFViewerControl() Me.toolStrip1 = New System.Windows.Forms.ToolStrip() Me.tsbOpen = New System.Windows.Forms.ToolStripButton() Me.cbLockSelection = New System.Windows.Forms.CheckBox() Me.cbAllowResizeSelection = New System.Windows.Forms.CheckBox() Me.cbMultiSelectMode = New System.Windows.Forms.CheckBox() Me.toolStrip1.SuspendLayout() Me.SuspendLayout() ' 'pdfViewerControl1 ' Me.pdfViewerControl1.AllowResizeSelectionRectangles = True Me.pdfViewerControl1.Anchor = CType((((System.Windows.Forms.AnchorStyles.Top Or System.Windows.Forms.AnchorStyles.Bottom) _ Or System.Windows.Forms.AnchorStyles.Left) _ Or System.Windows.Forms.AnchorStyles.Right), System.Windows.Forms.AnchorStyles) Me.pdfViewerControl1.BackColor = System.Drawing.SystemColors.ButtonShadow Me.pdfViewerControl1.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle Me.pdfViewerControl1.Location = New System.Drawing.Point(12, 97) Me.pdfViewerControl1.MouseMode = Bytescout.PDFViewer.MouseMode.Selection Me.pdfViewerControl1.MultiSelectMode = True Me.pdfViewerControl1.Name = "pdfViewerControl1" Me.pdfViewerControl1.RegistrationKey = Nothing Me.pdfViewerControl1.RegistrationName = Nothing Me.pdfViewerControl1.Size = New System.Drawing.Size(1153, 568) Me.pdfViewerControl1.TabIndex = 0 ' 'toolStrip1 ' Me.toolStrip1.Items.AddRange(New System.Windows.Forms.ToolStripItem() {Me.tsbOpen}) Me.toolStrip1.Location = New System.Drawing.Point(0, 0) Me.toolStrip1.Name = "toolStrip1" Me.toolStrip1.Size = New System.Drawing.Size(1177, 25) Me.toolStrip1.TabIndex = 1 Me.toolStrip1.Text = "toolStrip1" ' 'tsbOpen ' Me.tsbOpen.ImageTransparentColor = System.Drawing.Color.Magenta Me.tsbOpen.Name = "tsbOpen" Me.tsbOpen.Size = New System.Drawing.Size(80, 22) Me.tsbOpen.Text = "&Open PDF" ' 'cbLockSelection ' Me.cbLockSelection.AutoSize = True Me.cbLockSelection.Location = New System.Drawing.Point(12, 74) Me.cbLockSelection.Name = "cbLockSelection" Me.cbLockSelection.Size = New System.Drawing.Size(95, 17) Me.cbLockSelection.TabIndex = 2 Me.cbLockSelection.Text = "Lock selection" Me.cbLockSelection.UseVisualStyleBackColor = True ' 'cbAllowResizeSelection ' Me.cbAllowResizeSelection.AutoSize = True Me.cbAllowResizeSelection.Checked = True Me.cbAllowResizeSelection.CheckState = System.Windows.Forms.CheckState.Checked Me.cbAllowResizeSelection.Location = New System.Drawing.Point(12, 51) Me.cbAllowResizeSelection.Name = "cbAllowResizeSelection" Me.cbAllowResizeSelection.Size = New System.Drawing.Size(178, 17) Me.cbAllowResizeSelection.TabIndex = 3 Me.cbAllowResizeSelection.Text = "Allow resize selection rectangles" Me.cbAllowResizeSelection.UseVisualStyleBackColor = True ' 'cbMultiSelectMode ' Me.cbMultiSelectMode.AutoSize = True Me.cbMultiSelectMode.Checked = True Me.cbMultiSelectMode.CheckState = System.Windows.Forms.CheckState.Checked Me.cbMultiSelectMode.Location = New System.Drawing.Point(12, 28) Me.cbMultiSelectMode.Name = "cbMultiSelectMode" Me.cbMultiSelectMode.Size = New System.Drawing.Size(108, 17) Me.cbMultiSelectMode.TabIndex = 4 Me.cbMultiSelectMode.Text = "Multi-select mode" Me.cbMultiSelectMode.UseVisualStyleBackColor = True ' 'Form1 ' Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!) Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font Me.ClientSize = New System.Drawing.Size(1177, 677) Me.Controls.Add(Me.cbMultiSelectMode) Me.Controls.Add(Me.cbAllowResizeSelection) Me.Controls.Add(Me.cbLockSelection) Me.Controls.Add(Me.pdfViewerControl1) Me.Controls.Add(Me.toolStrip1) Me.Name = "Form1" Me.Text = "Form1" Me.toolStrip1.ResumeLayout(False) Me.toolStrip1.PerformLayout() Me.ResumeLayout(False) Me.PerformLayout() End Sub #End Region Private WithEvents pdfViewerControl1 As Bytescout.PDFViewer.PDFViewerControl Private WithEvents toolStrip1 As System.Windows.Forms.ToolStrip Private WithEvents tsbOpen As System.Windows.Forms.ToolStripButton Private WithEvents cbLockSelection As System.Windows.Forms.CheckBox Private WithEvents cbAllowResizeSelection As System.Windows.Forms.CheckBox Private WithEvents cbMultiSelectMode As System.Windows.Forms.CheckBox End Class

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Form1.vb
      
Imports System.Collections.Generic Imports System.Drawing Imports System.Windows.Forms Imports Bytescout.PDFViewer Public Partial Class Form1 Inherits Form Public Sub New() InitializeComponent() End Sub Protected Overrides Sub OnLoad(e As EventArgs) pdfViewerControl1.InputFile = "sample.pdf" MyBase.OnLoad(e) End Sub Private Sub tsbOpen_Click(sender As Object, e As EventArgs) Handles tsbOpen.Click Using openFileDialog As New OpenFileDialog() openFileDialog.Title = "Open PDF Document" openFileDialog.Filter = "PDF Files (*.pdf)|*.pdf|All Files|*.*" If openFileDialog.ShowDialog() = DialogResult.OK Then Me.Text = openFileDialog.FileName Cursor = Cursors.WaitCursor Try pdfViewerControl1.InputFile = openFileDialog.FileName Catch exception As Exception MessageBox.Show(exception.Message) Finally Cursor = Cursors.[Default] End Try End If End Using End Sub Private Sub cbMultiSelectMode_CheckedChanged(sender As Object, e As EventArgs) Handles cbMultiSelectMode.CheckedChanged pdfViewerControl1.MultiSelectMode = cbMultiSelectMode.Checked End Sub Private Sub cbAllowResizeSelection_CheckedChanged(sender As Object, e As EventArgs) Handles cbAllowResizeSelection.CheckedChanged pdfViewerControl1.AllowResizeSelectionRectangles = cbAllowResizeSelection.Checked End Sub Private Sub cbLockSelection_CheckedChanged(sender As Object, e As EventArgs) Handles cbLockSelection.CheckedChanged pdfViewerControl1.LockSelection = cbLockSelection.Checked End Sub Private _labels As List(Of [String]) = New List(Of String)() Private Sub pdfViewerControl1_SelectionChanged(ByVal sender As Object, ByVal selectionChange As SelectionChange, ByVal selectionIndex As Integer) Handles pdfViewerControl1.SelectionChanged If pdfViewerControl1.Selection.Length > _labels.Count Then For i As Integer = _labels.Count To pdfViewerControl1.Selection.Length - 1 _labels.Add(New Random().[Next]().ToString()) Next End If End Sub Private Sub pdfViewerControl1_CustomPaint(sender As Object, e As PaintEventArgs) Handles pdfViewerControl1.CustomPaint ' Paint labels For i As Integer = 0 To pdfViewerControl1.Selection.Length - 1 Dim r As Rectangle = Rectangle.Round(pdfViewerControl1.Selection(i)) r = pdfViewerControl1.TranslateRectangleToViewport(r) Dim textSize As Size = TextRenderer.MeasureText(_labels(i), Font) Dim textRectangle As New Rectangle(r.Left, r.Top - textSize.Height - 6, textSize.Width + 2, textSize.Height + 2) e.Graphics.FillRectangle(Brushes.DarkBlue, textRectangle) TextRenderer.DrawText(e.Graphics, _labels(i), Font, textRectangle, Color.White, TextFormatFlags.HorizontalCenter Or TextFormatFlags.VerticalCenter) Next End Sub End Class

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Program.vb
      
Imports System.Collections.Generic Imports System.Windows.Forms NotInheritable Class Program Private Sub New() End Sub ''' <summary> ''' The main entry point for the application. ''' </summary> <STAThread> _ Private Shared Sub Main() Application.EnableVisualStyles() Application.SetCompatibleTextRenderingDefault(False) Application.Run(New Form1()) End Sub End Class

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ON-DEMAND REST WEB API

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60 Day Free Trial or Visit ByteScout Premium Suite Home Page

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ON-DEMAND REST WEB API

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