VB.Net/GUI/Form Inheritance
Form template for use with visual inheritance
<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Windows.Forms
Public Class MainClass
Shared Sub Main() Dim myform As Form = New FrmInheritance() Application.Run(myform) End Sub " Main
End Class
Public Class FrmInheritance
Inherits Form
- 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 Friend WithEvents lblBug As System.Windows.Forms.Label Friend WithEvents lblCopyright As System.Windows.Forms.Label Friend WithEvents cmdLearn As System.Windows.Forms.Button "Required by the Windows Form Designer Private components As System.ruponentModel.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.lblCopyright = New System.Windows.Forms.Label() Me.cmdLearn = New System.Windows.Forms.Button() Me.lblBug = New System.Windows.Forms.Label() Me.SuspendLayout() " "lblCopyright " Me.lblCopyright.BackColor = System.Drawing.Color.LightYellow Me.lblCopyright.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.lblCopyright.Font = New System.Drawing.Font("Microsoft Sans Serif", 11.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblCopyright.ForeColor = System.Drawing.Color.MidnightBlue Me.lblCopyright.Location = New System.Drawing.Point(20, 178) Me.lblCopyright.Name = "lblCopyright" Me.lblCopyright.Size = New System.Drawing.Size(318, 29) Me.lblCopyright.TabIndex = 1 Me.lblCopyright.Text = "Copyright." " "cmdLearn " Me.cmdLearn.BackColor = System.Drawing.Color.Snow Me.cmdLearn.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cmdLearn.ForeColor = System.Drawing.SystemColors.InfoText Me.cmdLearn.Location = New System.Drawing.Point(20, 99) Me.cmdLearn.Name = "cmdLearn" Me.cmdLearn.Size = New System.Drawing.Size(144, 59) Me.cmdLearn.TabIndex = 2 Me.cmdLearn.Text = "Learn More" " "lblBug " Me.lblBug.BackColor = System.Drawing.Color.LightYellow Me.lblBug.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.lblBug.Font = New System.Drawing.Font("Microsoft Sans Serif", 20.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblBug.ForeColor = System.Drawing.Color.MidnightBlue Me.lblBug.Location = New System.Drawing.Point(20, 20) Me.lblBug.Name = "lblBug" Me.lblBug.Size = New System.Drawing.Size(318, 59) Me.lblBug.TabIndex = 0 Me.lblBug.Text = "About" Me.lblBug.TextAlign = System.Drawing.ContentAlignment.MiddleCenter " "FrmInheritance " Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15) Me.BackColor = System.Drawing.SystemColors.ActiveBorder Me.ClientSize = New System.Drawing.Size(358, 223) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdLearn, Me.lblCopyright, Me.lblBug}) Me.Name = "FrmInheritance" Me.Text = "Visual Inheritance" Me.ResumeLayout(False) End Sub
- End Region
" invoked when user presses Learn More button Private Sub cmdLearn_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles cmdLearn.Click MessageBox.Show("www.vbex.ru ", "Learn More", MessageBoxButtons.OK, _ MessageBoxIcon.Information) End Sub " cmdLearn_Click
End Class
</source>
Frame Inherits from another Frame Inheritance
<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Windows.Forms
Public Class MainClass
Shared Sub Main() Dim myform As Form = New FrmVisualTest() Application.Run(myform) End Sub " Main
End Class
Public Class FrmVisualTest
Inherits FrmInheritance
- 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 Friend WithEvents cmdProgram As System.Windows.Forms.Button "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. <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent() Me.cmdProgram = New System.Windows.Forms.Button() Me.SuspendLayout() " "cmdProgram " Me.cmdProgram.BackColor = System.Drawing.Color.Snow Me.cmdProgram.Font = New System.Drawing.Font("Microsoft Sans Serif", 13.0!, System.Drawing.FontStyle.Bold) Me.cmdProgram.ForeColor = System.Drawing.SystemColors.InfoText Me.cmdProgram.Location = New System.Drawing.Point(176, 99) Me.cmdProgram.Name = "cmdProgram" Me.cmdProgram.Size = New System.Drawing.Size(144, 59) Me.cmdProgram.TabIndex = 3 Me.cmdProgram.Text = "Learn The Program" " "FrmVisualTest " Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15) Me.ClientSize = New System.Drawing.Size(358, 223) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdProgram}) Me.Name = "FrmVisualTest" Me.Text = "Visual Test" Me.ResumeLayout(False) End Sub
- End Region
Private Sub cmdProgram_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles cmdProgram.Click MessageBox.Show("Info", _ "Learn the Program", MessageBoxButtons.OK, _ MessageBoxIcon.Information) End Sub " cmdProgram_Click
End Class
Public Class FrmInheritance
Inherits Form
- 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 Friend WithEvents lblBug As System.Windows.Forms.Label Friend WithEvents lblCopyright As System.Windows.Forms.Label Friend WithEvents cmdLearn As System.Windows.Forms.Button "Required by the Windows Form Designer Private components As System.ruponentModel.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.lblCopyright = New System.Windows.Forms.Label() Me.cmdLearn = New System.Windows.Forms.Button() Me.lblBug = New System.Windows.Forms.Label() Me.SuspendLayout() " "lblCopyright " Me.lblCopyright.BackColor = System.Drawing.Color.LightYellow Me.lblCopyright.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.lblCopyright.Font = New System.Drawing.Font("Microsoft Sans Serif", 11.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblCopyright.ForeColor = System.Drawing.Color.MidnightBlue Me.lblCopyright.Location = New System.Drawing.Point(20, 178) Me.lblCopyright.Name = "lblCopyright" Me.lblCopyright.Size = New System.Drawing.Size(318, 29) Me.lblCopyright.TabIndex = 1 Me.lblCopyright.Text = "Copyright." " "cmdLearn " Me.cmdLearn.BackColor = System.Drawing.Color.Snow Me.cmdLearn.Font = New System.Drawing.Font("Microsoft Sans Serif", 14.25!, System.Drawing.FontStyle.Bold, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.cmdLearn.ForeColor = System.Drawing.SystemColors.InfoText Me.cmdLearn.Location = New System.Drawing.Point(20, 99) Me.cmdLearn.Name = "cmdLearn" Me.cmdLearn.Size = New System.Drawing.Size(144, 59) Me.cmdLearn.TabIndex = 2 Me.cmdLearn.Text = "Learn More" " "lblBug " Me.lblBug.BackColor = System.Drawing.Color.LightYellow Me.lblBug.BorderStyle = System.Windows.Forms.BorderStyle.Fixed3D Me.lblBug.Font = New System.Drawing.Font("Microsoft Sans Serif", 20.25!, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, CType(0, Byte)) Me.lblBug.ForeColor = System.Drawing.Color.MidnightBlue Me.lblBug.Location = New System.Drawing.Point(20, 20) Me.lblBug.Name = "lblBug" Me.lblBug.Size = New System.Drawing.Size(318, 59) Me.lblBug.TabIndex = 0 Me.lblBug.Text = "About" Me.lblBug.TextAlign = System.Drawing.ContentAlignment.MiddleCenter " "FrmInheritance " Me.AutoScaleBaseSize = New System.Drawing.Size(6, 15) Me.BackColor = System.Drawing.SystemColors.ActiveBorder Me.ClientSize = New System.Drawing.Size(358, 223) Me.Controls.AddRange(New System.Windows.Forms.Control() {Me.cmdLearn, Me.lblCopyright, Me.lblBug}) Me.Name = "FrmInheritance" Me.Text = "Visual Inheritance" Me.ResumeLayout(False) End Sub
- End Region
" invoked when user presses Learn More button Private Sub cmdLearn_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles cmdLearn.Click MessageBox.Show("www.vbex.ru ", "Learn More", MessageBoxButtons.OK, _ MessageBoxIcon.Information) End Sub " cmdLearn_Click
End Class
</source>