ScrollableControl.DockPadding 属性

获取控件的所有边缘的停靠边距设置。

**命名空间:**System.Windows.Forms
**程序集:**System.Windows.Forms（在 system.windows.forms.dll 中）

语法

声明
Public ReadOnly Property DockPadding As DockPaddingEdges
用法
Dim instance As ScrollableControl
Dim value As DockPaddingEdges

value = instance.DockPadding

public DockPaddingEdges DockPadding { get; }

public:
property DockPaddingEdges^ DockPadding {
    DockPaddingEdges^ get ();
}

/** @property */
public DockPaddingEdges get_DockPadding ()

public function get DockPadding () : DockPaddingEdges

属性值

ScrollableControl.DockPaddingEdges，表示停靠控件所有边缘的边距。

备注

此属性对停靠组件的这一控件内的边框进行控制。

示例

下面的代码示例使用派生类 Panel。该示例在面板控件中停靠一个按钮，并通过单击按钮来逐一设置 ScrollableControl.DockPaddingEdges 属性，从而循环通过这些属性。该示例要求先在窗体上创建 Panel 控件和 Button 的实例，并将类级别成员变量 myCounter 声明为 32 位有符号整数。应在该按钮的 Click 事件发生时调用此代码。

Private Sub SetDockPadding()
    ' Dock the button in the panel.
    button1.Dock = System.Windows.Forms.DockStyle.Fill
    
    ' Reset the counter if it is greater than 5.
    If myCounter > 5 Then
        myCounter = 0
    End If
    
    ' Set the appropriate DockPadding and display
    ' which one was set on the button face.
    Select Case myCounter
        Case 0
            panel1.DockPadding.All = 0
            button1.Text = "Start"
        Case 1
            panel1.DockPadding.Top = 10
            button1.Text = "Top"
        Case 2
            panel1.DockPadding.Bottom = 10
            button1.Text = "Bottom"
        Case 3
            panel1.DockPadding.Left = 10
            button1.Text = "Left"
        Case 4
            panel1.DockPadding.Right = 10
            button1.Text = "Right"
        Case 5
            panel1.DockPadding.All = 20
            button1.Text = "All"
    End Select
    
    ' Increment the counter.
    myCounter += 1
End Sub

private void SetDockPadding()
 {
    // Dock the button in the panel.
    button1.Dock = System.Windows.Forms.DockStyle.Fill;
    
    // Reset the counter if it is greater than 5.
    if (myCounter > 5)
    {
       myCounter = 0;
    }
 
    // Set the appropriate DockPadding and display
    // which one was set on the button face.
    switch (myCounter)
    {
       case 0:
          panel1.DockPadding.All = 0;
          button1.Text = "Start";
          break;
       case 1:
          panel1.DockPadding.Top = 10;
          button1.Text = "Top";
          break;
       case 2:
          panel1.DockPadding.Bottom = 10;
          button1.Text = "Bottom";
          break;
       case 3:
          panel1.DockPadding.Left = 10;
          button1.Text = "Left";
          break;
       case 4:
          panel1.DockPadding.Right = 10;
          button1.Text = "Right";
          break;
       case 5:
          panel1.DockPadding.All = 20;
          button1.Text = "All";
          break;
    }
    
    // Increment the counter.
    myCounter += 1;
 }
 

void SetDockPadding()
{
   // Dock the button in the panel.
   button1->Dock = System::Windows::Forms::DockStyle::Fill;

   // Reset the counter if it is greater than 5.
   if ( myCounter > 5 )
   {
      myCounter = 0;
   }

   // Set the appropriate DockPadding and display
   // which one was set on the button face.
   switch ( myCounter )
   {
      case 0:
         panel1->DockPadding->All = 0;
         button1->Text = "Start";
         break;

      case 1:
         panel1->DockPadding->Top = 10;
         button1->Text = "Top";
         break;

      case 2:
         panel1->DockPadding->Bottom = 10;
         button1->Text = "Bottom";
         break;

      case 3:
         panel1->DockPadding->Left = 10;
         button1->Text = "Left";
         break;

      case 4:
         panel1->DockPadding->Right = 10;
         button1->Text = "Right";
         break;

      case 5:
         panel1->DockPadding->All = 20;
         button1->Text = "All";
         break;
   }
   myCounter++;
}

private void SetDockPadding()
{
    // Dock the button in the panel.
    button1.set_Dock(System.Windows.Forms.DockStyle.Fill);

    // Reset the counter if it is greater than 5.
    if (myCounter > 5) {
        myCounter = 0;
    }

    // Set the appropriate DockPadding and display
    // which one was set on the button face.
    switch (myCounter) {
        case 0 :
            panel1.get_DockPadding().set_All(0);
            button1.set_Text("Start");
            break;

        case 1 :
            panel1.get_DockPadding().set_Top(10);
            button1.set_Text("Top");
            break;

        case 2 :
            panel1.get_DockPadding().set_Bottom(10);
            button1.set_Text("Bottom");
            break;

        case 3 :
            panel1.get_DockPadding().set_Left(10);
            button1.set_Text("Left");
            break;

        case 4 :
            panel1.get_DockPadding().set_Right(10);
            button1.set_Text("Right");
            break;

        case 5 :
            panel1.get_DockPadding().set_All(20);
            button1.set_Text("All");
            break;
    }

    // Increment the counter.
    myCounter += 1;
} //SetDockPadding

平台

Windows 98、Windows 2000 SP4、Windows CE、Windows Millennium Edition、Windows Mobile for Pocket PC、Windows Mobile for Smartphone、Windows Server 2003、Windows XP Media Center Edition、Windows XP Professional x64 Edition、Windows XP SP2、Windows XP Starter Edition

.NET Framework 并不是对每个平台的所有版本都提供支持。有关受支持版本的列表，请参见系统要求。

版本信息

.NET Framework

受以下版本支持：2.0、1.1、1.0

请参见

参考

ScrollableControl 类
ScrollableControl 成员
System.Windows.Forms 命名空间
ScrollableControl.DockPaddingEdges
Control.Padding 属性
Control.Margin 属性
ScrollableControl.AutoScrollMargin 属性