Set Form Background color : Form Properties « GUI « VB.Net Tutorial






Set Form Background color
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms

public class ColorDialogSetForgroundBackgroundColor
   public Shared Sub Main
        Application.Run(New FrmColorDialogTest)
   End Sub
End class

Public Class FrmColorDialogTest
   Inherits System.Windows.Forms.Form

   Friend WithEvents cmdBackgroundButton As Button
   Friend WithEvents cmdTextButton As Button

#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.ComponentModel.Container

   '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.
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
      Me.cmdBackgroundButton = New System.Windows.Forms.Button()
      Me.cmdTextButton = New System.Windows.Forms.Button()
      Me.SuspendLayout()
      '
      'cmdBackgroundButton
      '
      Me.cmdBackgroundButton.Location = New System.Drawing.Point(16, 16)
      Me.cmdBackgroundButton.Name = "cmdBackgroundButton"
      Me.cmdBackgroundButton.Size = New System.Drawing.Size(160, 24)
      Me.cmdBackgroundButton.TabIndex = 0
      Me.cmdBackgroundButton.Text = "Change Background Color"
      '
      'cmdTextButton
      '
      Me.cmdTextButton.Location = New System.Drawing.Point(16, 56)
      Me.cmdTextButton.Name = "cmdTextButton"
      Me.cmdTextButton.Size = New System.Drawing.Size(160, 24)
      Me.cmdTextButton.TabIndex = 1
      Me.cmdTextButton.Text = "Change Text Color"
      '
      'FrmColorDialogTest
      '
      Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
      Me.ClientSize = New System.Drawing.Size(192, 93)
      Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdTextButton, Me.cmdBackgroundButton})
      Me.Name = "FrmColorDialogTest"
      Me.Text = "Using Color Dialogs"
      Me.ResumeLayout(False)

   End Sub

#End Region

   Dim colorBox As ColorDialog = New ColorDialog()

   Private Sub cmdTextButton_Click(ByVal sender As System.Object, _
      ByVal e As System.EventArgs) Handles cmdTextButton.Click

      Dim result As DialogResult

      result = colorBox.ShowDialog()

      If result = DialogResult.Cancel Then
         Return
      End If

      cmdBackgroundButton.ForeColor = colorBox.Color
      cmdTextButton.ForeColor = colorBox.Color
   End Sub 

   Private Sub cmdBackgroundButton_Click( _
      ByVal sender As System.Object, _
      ByVal e As System.EventArgs) _
      Handles cmdBackgroundButton.Click

      Dim result As DialogResult

      colorBox.FullOpen = True
      result = colorBox.ShowDialog()

      If result = DialogResult.Cancel Then
         Return
      End If

      Me.BackColor = colorBox.Color
   End Sub

End Class








14.53.Form Properties
14.53.1.Override the DefaultSize property to gain better performanceOverride the DefaultSize property to gain better performance
14.53.2.Change Form SizeChange Form Size
14.53.3.Change Form Size, Text, Background Color and button fontChange Form Size, Text, Background Color and button font
14.53.4.Set Form Background colorSet Form Background color
14.53.5.Form Opacity
14.53.6.Blue 25 Percent OpaqueBlue 25 Percent Opaque
14.53.7.Set Form background image
14.53.8.Set TransparencyKey
14.53.9.Transparent Form: Opacity = 0.66