VB.Net by API/System.Windows.Forms/MeasureItemEventArgs

MeasureItemEventArgs.ItemHeight

<source lang="vbnet"> Imports System Imports System.Drawing Imports System.Reflection Imports System.Windows.Forms Imports System.IO

public class MainClass

  Shared Sub Main()
     Dim form1 As Form = New Form1
     Application.Run(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
   Friend WithEvents MainMenu1 As System.Windows.Forms.MainMenu
   Friend WithEvents MenuItem1 As System.Windows.Forms.MenuItem
   "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.
   Friend WithEvents Red As System.Windows.Forms.MenuItem
   Friend WithEvents Green As System.Windows.Forms.MenuItem
   Friend WithEvents Blue As System.Windows.Forms.MenuItem
   Friend WithEvents Yellow As System.Windows.Forms.MenuItem
   Friend WithEvents Black As System.Windows.Forms.MenuItem
   Friend WithEvents White As System.Windows.Forms.MenuItem
   Friend WithEvents MenuItem2 As System.Windows.Forms.MenuItem
   Friend WithEvents AlignLeft As System.Windows.Forms.MenuItem
   Friend WithEvents AlignCenter As System.Windows.Forms.MenuItem
   Friend WithEvents AlignRight As System.Windows.Forms.MenuItem
   <System.Diagnostics.DebuggerStepThrough()> Private Sub InitializeComponent()
       Me.MainMenu1 = New System.Windows.Forms.MainMenu()
       Me.MenuItem1 = New System.Windows.Forms.MenuItem()
       Me.Red = New System.Windows.Forms.MenuItem()
       Me.Green = New System.Windows.Forms.MenuItem()
       Me.Blue = New System.Windows.Forms.MenuItem()
       Me.Yellow = New System.Windows.Forms.MenuItem()
       Me.Black = New System.Windows.Forms.MenuItem()
       Me.White = New System.Windows.Forms.MenuItem()
       Me.MenuItem2 = New System.Windows.Forms.MenuItem()
       Me.AlignLeft = New System.Windows.Forms.MenuItem()
       Me.AlignCenter = New System.Windows.Forms.MenuItem()
       Me.AlignRight = New System.Windows.Forms.MenuItem()
       "
       "MainMenu1
       "
       Me.MainMenu1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.MenuItem1, Me.MenuItem2})
       "
       "MenuItem1
       "
       Me.MenuItem1.Index = 0
       Me.MenuItem1.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.Red, Me.Green, Me.Blue, Me.Yellow, Me.Black, Me.White})
       Me.MenuItem1.Text = "Color"
       "
       "Red
       "
       Me.Red.Index = 0
       Me.Red.OwnerDraw = True
       Me.Red.Text = ""
       "
       "Green
       "
       Me.Green.Index = 1
       Me.Green.OwnerDraw = True
       Me.Green.Text = ""
       "
       "Blue
       "
       Me.Blue.Index = 2
       Me.Blue.OwnerDraw = True
       Me.Blue.Text = ""
       "
       "Yellow
       "
       Me.Yellow.Index = 3
       Me.Yellow.OwnerDraw = True
       Me.Yellow.Text = ""
       "
       "Black
       "
       Me.Black.Index = 4
       Me.Black.OwnerDraw = True
       Me.Black.Text = ""
       "
       "White
       "
       Me.White.Index = 5
       Me.White.OwnerDraw = True
       Me.White.Text = ""
       "
       "MenuItem2
       "
       Me.MenuItem2.Index = 1
       Me.MenuItem2.MenuItems.AddRange(New System.Windows.Forms.MenuItem() {Me.AlignLeft, Me.AlignCenter, Me.AlignRight})
       Me.MenuItem2.Text = "Alignment"
       "
       "AlignLeft
       "
       Me.AlignLeft.Index = 0
       Me.AlignLeft.OwnerDraw = True
       Me.AlignLeft.Text = "Left"
       "
       "AlignCenter
       "
       Me.AlignCenter.Index = 1
       Me.AlignCenter.OwnerDraw = True
       Me.AlignCenter.Text = "Center"
       "
       "AlignRight
       "
       Me.AlignRight.Index = 2
       Me.AlignRight.OwnerDraw = True
       Me.AlignRight.Text = "Right"
       "
       "Form1
       "
       Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
       Me.ClientSize = New System.Drawing.Size(292, 129)
       Me.Menu = Me.MainMenu1
       Me.Name = "Form1"
       Me.Text = "Owner-Drawn Menu"
   End Sub

1. End Region

   Dim currentFont As Font
   Private Sub Red_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles Red.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       e.Graphics.FillRectangle(Brushes.Red, R)
   End Sub
   Private Sub Red_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles Red.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(80, 18)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub Green_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles Red.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(80, 18)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub Green_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles Green.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       e.Graphics.FillRectangle(Brushes.Green, R)
   End Sub
   Private Sub Blue_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles Blue.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(80, 18)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub Blue_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles Blue.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       e.Graphics.FillRectangle(Brushes.Blue, R)
   End Sub
   Private Sub Yellow_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles Yellow.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(80, 18)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub Yellow_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles Yellow.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       e.Graphics.FillRectangle(Brushes.Yellow, R)
   End Sub
   Private Sub White_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles White.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(80, 18)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub White_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles White.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       e.Graphics.FillRectangle(Brushes.White, R)
   End Sub
   Private Sub Black_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles Black.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(80, 18)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub Black_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles Black.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       e.Graphics.FillRectangle(Brushes.Black, R)
   End Sub
   Private Sub AlignLeft_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles AlignLeft.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(40, 14)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub AlignLeft_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles AlignLeft.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       Dim strfmt As New StringFormat()
       strfmt.Alignment = StringAlignment.Near
       e.Graphics.DrawString("Left", Me.Font, Brushes.Black, R, strfmt)
   End Sub
   Private Sub AlignRight_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles AlignRight.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(40, 14)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub AlignRight_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles AlignRight.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       Dim strfmt As New StringFormat()
       strfmt.Alignment = StringAlignment.Far
       e.Graphics.DrawString("Right", Me.Font, Brushes.Black, R, strfmt)
   End Sub
   Private Sub AlignCenter_MeasureItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.MeasureItemEventArgs) Handles AlignCenter.MeasureItem
       Dim itemSize As SizeF
       itemSize = New SizeF(40, 14)
       e.ItemHeight = itemSize.Height
       e.ItemWidth = itemSize.Width
   End Sub
   Private Sub AlignCenter_DrawItem(ByVal sender As System.Object, ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles AlignCenter.DrawItem
       Dim R As New RectangleF(e.Bounds.X, e.Bounds.Y, e.Bounds.Width, e.Bounds.Height)
       Dim strfmt As New StringFormat()
       strfmt.Alignment = StringAlignment.Center
       e.Graphics.DrawString("Center", Me.Font, Brushes.Black, R, strfmt)
   End Sub

   Private Sub Alignment_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles AlignCenter.Click, AlignLeft.Click, AlignRight.Click,Red.Click,Green.Click,Blue.Click,Yellow.Click,Black.Click,White.Click
       MessageBox.Show(sender.Text)
   End Sub

End Class

 </source>