本文整理汇总了VB.NET中System.Windows.Forms.TabControl.DrawItem事件的典型用法代码示例。如果您正苦于以下问题:VB.NET TabControl.DrawItem事件的具体用法?VB.NET TabControl.DrawItem怎么用?VB.NET TabControl.DrawItem使用的例子?那么恭喜您, 这里精选的事件代码示例或许可以为您提供帮助。您也可以进一步了解该事件所在类System.Windows.Forms.TabControl 的用法示例。
在下文中一共展示了TabControl.DrawItem事件的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。
示例1: Form1
' 导入命名空间
Imports System.Drawing
Imports System.Windows.Forms
Public Class Form1
Inherits Form
Private tabArea As Rectangle
Private tabTextArea As RectangleF
Public Sub New()
Dim tabControl1 As New TabControl()
Dim tabPage1 As New TabPage()
' Allows access to the DrawItem event.
tabControl1.DrawMode = TabDrawMode.OwnerDrawFixed
tabControl1.SizeMode = TabSizeMode.Fixed
tabControl1.Controls.Add(tabPage1)
tabControl1.ItemSize = New Size(80, 30)
tabControl1.Location = New Point(25, 25)
tabControl1.Size = New Size(250, 250)
tabPage1.TabIndex = 0
ClientSize = New Size(300, 300)
Controls.Add(tabControl1)
tabArea = tabControl1.GetTabRect(0)
tabTextArea = RectangleF.op_Implicit(tabControl1.GetTabRect(0))
' Binds the event handler DrawOnTab to the DrawItem event
' through the DrawItemEventHandler delegate.
AddHandler tabControl1.DrawItem, AddressOf DrawOnTab
End Sub
' Declares the event handler DrawOnTab which is a method that
' draws a string and Rectangle on the tabPage1 tab.
Private Sub DrawOnTab(ByVal sender As Object, ByVal e As DrawItemEventArgs)
Dim g As Graphics = e.Graphics
Dim p As New Pen(Color.Blue)
Dim font As New Font("Arial", 10.0F)
Dim brush As New SolidBrush(Color.Red)
g.DrawRectangle(p, tabArea)
g.DrawString("tabPage1", font, brush, tabTextArea)
End Sub
Shared Sub Main()
Application.Run(New Form1())
End Sub
End Class
开发者ID:VB.NET开发者,项目名称:System.Windows.Forms,代码行数:49,代码来源:TabControl.DrawItem
示例2: MainClass
' 导入命名空间
Imports System
Imports System.Data
Imports System.Windows.Forms
Imports System.Drawing
Imports System.Data.SqlClient
public class MainClass
Shared Sub Main()
Dim form1 As Form = New Form1
Application.Run(form1)
End Sub
End Class
Public Class Form1
Private Sub tabProject_DrawItem(ByVal sender As Object, _
ByVal e As System.Windows.Forms.DrawItemEventArgs) Handles tabProject.DrawItem
Dim rect As Rectangle = e.Bounds
If (e.State And DrawItemState.Selected) = DrawItemState.Selected Then
rect.X += 4
rect.Y += 4
rect.Width -= 8
rect.Height -= 8
Else
rect.X += 2
rect.Y += 2
rect.Width -= 4
rect.Height -= 4
End If
Select Case e.Index
Case 0
e.Graphics.FillEllipse(Brushes.Green, rect)
Case 1
e.Graphics.FillEllipse(Brushes.Yellow, rect)
Case 2
e.Graphics.FillEllipse(Brushes.Red, rect)
End Select
If (e.State And DrawItemState.Selected) = DrawItemState.Selected Then
e.Graphics.DrawEllipse( _
New Pen(Color.Black, 3), _
rect)
Else
e.Graphics.DrawEllipse(Pens.Black, rect)
End If
End Sub
End Class
<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Public Class Form1
Inherits System.Windows.Forms.Form
'Form overrides dispose to clean up the component list.
<System.Diagnostics.DebuggerNonUserCode()> _
Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
If disposing AndAlso components IsNot Nothing Then
components.Dispose()
End If
MyBase.Dispose(disposing)
End Sub
'Required by the Windows Form Designer
Private components As System.ComponentModel.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.tabProject = New System.Windows.Forms.TabControl
Me.TabPage1 = New System.Windows.Forms.TabPage
Me.TabPage2 = New System.Windows.Forms.TabPage
Me.TabPage3 = New System.Windows.Forms.TabPage
Me.tabProject.SuspendLayout()
Me.SuspendLayout()
'
'tabProject
'
Me.tabProject.Controls.Add(Me.TabPage1)
Me.tabProject.Controls.Add(Me.TabPage2)
Me.tabProject.Controls.Add(Me.TabPage3)
Me.tabProject.DrawMode = System.Windows.Forms.TabDrawMode.OwnerDrawFixed
Me.tabProject.Location = New System.Drawing.Point(8, 8)
Me.tabProject.Name = "tabProject"
Me.tabProject.SelectedIndex = 0
Me.tabProject.Size = New System.Drawing.Size(272, 200)
Me.tabProject.TabIndex = 1
'
'TabPage1
'
Me.TabPage1.Location = New System.Drawing.Point(4, 22)
Me.TabPage1.Name = "TabPage1"
Me.TabPage1.Padding = New System.Windows.Forms.Padding(3)
Me.TabPage1.Size = New System.Drawing.Size(264, 174)
Me.TabPage1.TabIndex = 0
Me.TabPage1.Text = "TabPage1"
'
'TabPage2
'
Me.TabPage2.Location = New System.Drawing.Point(4, 22)
Me.TabPage2.Name = "TabPage2"
Me.TabPage2.Padding = New System.Windows.Forms.Padding(3)
Me.TabPage2.Size = New System.Drawing.Size(264, 174)
Me.TabPage2.TabIndex = 1
Me.TabPage2.Text = "TabPage2"
'
'TabPage3
'
Me.TabPage3.Location = New System.Drawing.Point(4, 22)
Me.TabPage3.Name = "TabPage3"
Me.TabPage3.Size = New System.Drawing.Size(264, 174)
Me.TabPage3.TabIndex = 2
Me.TabPage3.Text = "TabPage3"
'
'Form1
'
Me.AutoScaleDimensions = New System.Drawing.SizeF(6.0!, 13.0!)
Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
Me.ClientSize = New System.Drawing.Size(289, 217)
Me.Controls.Add(Me.tabProject)
Me.Name = "Form1"
Me.Text = "UseTabControlOwnerDrawn"
Me.tabProject.ResumeLayout(False)
Me.ResumeLayout(False)
End Sub
Friend WithEvents tabProject As System.Windows.Forms.TabControl
Friend WithEvents TabPage1 As System.Windows.Forms.TabPage
Friend WithEvents TabPage2 As System.Windows.Forms.TabPage
Friend WithEvents TabPage3 As System.Windows.Forms.TabPage
End Class
开发者ID:VB程序员,项目名称:System.Windows.Forms,代码行数:138,代码来源:TabControl.DrawItem
注:本文中的System.Windows.Forms.TabControl.DrawItem事件示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
请发表评论