VB.Net Tutorial/GUI/DialogResult

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DialogResult.Retry, Abort, Cancel

<source lang="vbnet">Imports System.Windows.Forms Public Class Test

   Public Shared Sub Main
       Dim drResult As DialogResult
       drResult = MessageBox.Show("Q?", "Sample", MessageBoxButtons.RetryCancel)
   
       If drResult = DialogResult.Retry Then
         Console.WriteLine("Retry")
       Else
         Console.WriteLine("Cancel")
       End If
   
       Select Case MessageBox.Show("Bad stuff happened","Long Process", MessageBoxButtons.AbortRetryIgnore)
         Case DialogResult.Abort
           Console.WriteLine("abort")
         Case DialogResult.Retry
           Console.WriteLine("retry")
         Case DialogResult.Cancel
           Console.WriteLine("cancel")
         Case Else
           Console.WriteLine("Else")
       End Select
   End Sub

End Class</source>

Get DialogResult

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class GetDialogResult

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class Public Class Form1

   Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
   Public Sub New()
       MyBase.New()
       "This call is required by the Windows Form Designer.
       InitializeComponent()
       "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing Then
           If Not (components Is Nothing) Then
               components.Dispose()
           End If
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.IContainer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   Friend WithEvents Button1 As System.Windows.Forms.Button
   Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.Button1 = New System.Windows.Forms.Button
       Me.TextBox1 = New System.Windows.Forms.TextBox
       Me.SuspendLayout()
       "
       "Button1
       "
       Me.Button1.Location = New System.Drawing.Point(112, 40)
       Me.Button1.Name = "Button1"
       Me.Button1.Size = New System.Drawing.Size(88, 23)
       Me.Button1.TabIndex = 0
       Me.Button1.Text = "Show Dialog"
       "
       "TextBox1
       "
       Me.TextBox1.Location = New System.Drawing.Point(104, 96)
       Me.TextBox1.Name = "TextBox1"
       Me.TextBox1.Size = New System.Drawing.Size(112, 20)
       Me.TextBox1.TabIndex = 1
       Me.TextBox1.Text = ""
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(304, 181)
       Me.Controls.Add(Me.TextBox1)
       Me.Controls.Add(Me.Button1)
       Me.Name = "Form1"
       Me.Text = "Form1"
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       Dim frmDialog As New Form2
       If frmDialog.ShowDialog() = DialogResult.OK Then
           TextBox1.Text = "You typed: " & frmDialog.TextBox1.Text
       End If
   End Sub

End Class

Public Class Form2

   Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
   Public Sub New()
       MyBase.New()
       "This call is required by the Windows Form Designer.
       InitializeComponent()
       "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing Then
           If Not (components Is Nothing) Then
               components.Dispose()
           End If
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.IContainer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
   Friend WithEvents Button1 As System.Windows.Forms.Button
   Friend WithEvents Button2 As System.Windows.Forms.Button
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.TextBox1 = New System.Windows.Forms.TextBox
       Me.Button1 = New System.Windows.Forms.Button
       Me.Button2 = New System.Windows.Forms.Button
       Me.SuspendLayout()
       "
       "TextBox1
       "
       Me.TextBox1.Location = New System.Drawing.Point(16, 16)
       Me.TextBox1.Name = "TextBox1"
       Me.TextBox1.Size = New System.Drawing.Size(256, 20)
       Me.TextBox1.TabIndex = 0
       Me.TextBox1.Text = ""
       "
       "Button1
       "
       Me.Button1.DialogResult = System.Windows.Forms.DialogResult.OK
       Me.Button1.Location = New System.Drawing.Point(48, 72)
       Me.Button1.Name = "Button1"
       Me.Button1.TabIndex = 1
       Me.Button1.Text = "OK"
       "
       "Button2
       "
       Me.Button2.DialogResult = System.Windows.Forms.DialogResult.Cancel
       Me.Button2.Location = New System.Drawing.Point(168, 72)
       Me.Button2.Name = "Button2"
       Me.Button2.TabIndex = 2
       Me.Button2.Text = "Cancel"
       "
       "Form2
       "
       Me.AcceptButton = Me.Button1
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.CancelButton = Me.Button2
       Me.ClientSize = New System.Drawing.Size(288, 125)
       Me.ControlBox = False
       Me.Controls.Add(Me.Button2)
       Me.Controls.Add(Me.Button1)
       Me.Controls.Add(Me.TextBox1)
       Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog
       Me.Name = "Form2"
       Me.Text = "Dialog"
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       Me.Close()
   End Sub
   Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
       Me.Close()
   End Sub

End Class</source>

Set DialogResult to Button

<source lang="vbnet">Imports System.Drawing Imports System.Drawing.Drawing2D Imports System.Windows.Forms public class GetDialogResult

  public Shared Sub Main
       Application.Run(New Form1)
  End Sub

End class Public Class Form1

   Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
   Public Sub New()
       MyBase.New()
       "This call is required by the Windows Form Designer.
       InitializeComponent()
       "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing Then
           If Not (components Is Nothing) Then
               components.Dispose()
           End If
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.IContainer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   Friend WithEvents Button1 As System.Windows.Forms.Button
   Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.Button1 = New System.Windows.Forms.Button
       Me.TextBox1 = New System.Windows.Forms.TextBox
       Me.SuspendLayout()
       "
       "Button1
       "
       Me.Button1.Location = New System.Drawing.Point(112, 40)
       Me.Button1.Name = "Button1"
       Me.Button1.Size = New System.Drawing.Size(88, 23)
       Me.Button1.TabIndex = 0
       Me.Button1.Text = "Show Dialog"
       "
       "TextBox1
       "
       Me.TextBox1.Location = New System.Drawing.Point(104, 96)
       Me.TextBox1.Name = "TextBox1"
       Me.TextBox1.Size = New System.Drawing.Size(112, 20)
       Me.TextBox1.TabIndex = 1
       Me.TextBox1.Text = ""
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(304, 181)
       Me.Controls.Add(Me.TextBox1)
       Me.Controls.Add(Me.Button1)
       Me.Name = "Form1"
       Me.Text = "Form1"
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       Dim frmDialog As New Form2
       If frmDialog.ShowDialog() = DialogResult.OK Then
           TextBox1.Text = "You typed: " & frmDialog.TextBox1.Text
       End If
   End Sub

End Class

Public Class Form2

   Inherits System.Windows.Forms.Form
  1. Region " Windows Form Designer generated code "
   Public Sub New()
       MyBase.New()
       "This call is required by the Windows Form Designer.
       InitializeComponent()
       "Add any initialization after the InitializeComponent() call
   End Sub
   "Form overrides dispose to clean up the component list.
   Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
       If disposing Then
           If Not (components Is Nothing) Then
               components.Dispose()
           End If
       End If
       MyBase.Dispose(disposing)
   End Sub
   "Required by the Windows Form Designer
   Private components As System.ruponentModel.IContainer
   "NOTE: The following procedure is required by the Windows Form Designer
   "It can be modified using the Windows Form Designer.  
   "Do not modify it using the code editor.
   Friend WithEvents TextBox1 As System.Windows.Forms.TextBox
   Friend WithEvents Button1 As System.Windows.Forms.Button
   Friend WithEvents Button2 As System.Windows.Forms.Button
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.TextBox1 = New System.Windows.Forms.TextBox
       Me.Button1 = New System.Windows.Forms.Button
       Me.Button2 = New System.Windows.Forms.Button
       Me.SuspendLayout()
       "
       "TextBox1
       "
       Me.TextBox1.Location = New System.Drawing.Point(16, 16)
       Me.TextBox1.Name = "TextBox1"
       Me.TextBox1.Size = New System.Drawing.Size(256, 20)
       Me.TextBox1.TabIndex = 0
       Me.TextBox1.Text = ""
       "
       "Button1
       "
       Me.Button1.DialogResult = System.Windows.Forms.DialogResult.OK
       Me.Button1.Location = New System.Drawing.Point(48, 72)
       Me.Button1.Name = "Button1"
       Me.Button1.TabIndex = 1
       Me.Button1.Text = "OK"
       "
       "Button2
       "
       Me.Button2.DialogResult = System.Windows.Forms.DialogResult.Cancel
       Me.Button2.Location = New System.Drawing.Point(168, 72)
       Me.Button2.Name = "Button2"
       Me.Button2.TabIndex = 2
       Me.Button2.Text = "Cancel"
       "
       "Form2
       "
       Me.AcceptButton = Me.Button1
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.CancelButton = Me.Button2
       Me.ClientSize = New System.Drawing.Size(288, 125)
       Me.ControlBox = False
       Me.Controls.Add(Me.Button2)
       Me.Controls.Add(Me.Button1)
       Me.Controls.Add(Me.TextBox1)
       Me.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog
       Me.Name = "Form2"
       Me.Text = "Dialog"
       Me.ResumeLayout(False)
   End Sub
  1. End Region
   Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
       Me.Close()
   End Sub
   Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
       Me.Close()
   End Sub

End Class</source>