DataGrid.ResetHeaderForeColor 方法

将 HeaderForeColor 属性重置为其默认值。

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

语法

声明
Public Sub ResetHeaderForeColor
用法
Dim instance As DataGrid

instance.ResetHeaderForeColor

public void ResetHeaderForeColor ()

public:
void ResetHeaderForeColor ()

public void ResetHeaderForeColor ()

public function ResetHeaderForeColor ()

备注

如果要创建 System.Windows.Forms.DataGrid 的设计器或创建您自己的、包含 System.Windows.Forms.DataGrid 的控件，则通常使用此方法。可使用 ShouldSerializeHeaderForeColor 方法确定属性值是否已更改，不再是默认值。

示例

Private Sub button3_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button3.Click
    Dim myColorDialog As New ColorDialog()
    ' Disable selecting a custom color.
    myColorDialog.AllowFullOpen = False
    ' Enable the help button.
    myColorDialog.ShowHelp = True
    ' Set the initial color to the current color.
    myColorDialog.Color = myDataGrid.HeaderForeColor
    ' Show color dialog box.
    myColorDialog.ShowDialog()
    ' Set the header foreground color.
    myDataGrid.HeaderForeColor = myColorDialog.Color
End Sub 'button3_Click

' Reset the header foregroundcolor.
Private Sub button4_Click(ByVal sender As Object, ByVal e As EventArgs) Handles button4.Click
    myDataGrid.ResetHeaderForeColor()
End Sub 'button4_Click

private void button3_Click(object sender, EventArgs e)
{
   ColorDialog myColorDialog = new ColorDialog();
   // Disable selecting a custom color.
   myColorDialog.AllowFullOpen = false ;
   // Enable the help button.
   myColorDialog.ShowHelp = true ;
   // Set the initial color to the current color.
   myColorDialog.Color = myDataGrid.HeaderForeColor;
   // Show color dialog box.
   myColorDialog.ShowDialog();
   // Set the header foreground color.
   myDataGrid.HeaderForeColor = myColorDialog.Color;
}
// Reset the header foregroundcolor.
private void button4_Click(object sender, EventArgs e)
{
   myDataGrid.ResetHeaderForeColor();
}

private:
   void button3_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      ColorDialog^ myColorDialog = gcnew ColorDialog;

      // Disable selecting a custom color.
      myColorDialog->AllowFullOpen = false;

      // Enable the help button.
      myColorDialog->ShowHelp = true;

      // Set the initial color to the current color.
      myColorDialog->Color = myDataGrid->HeaderForeColor;

      // Show color dialog box.
      myColorDialog->ShowDialog();

      // Set the header foreground color.
      myDataGrid->HeaderForeColor = myColorDialog->Color;
   }

   // Reset the header foregroundcolor.
   void button4_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      myDataGrid->ResetHeaderForeColor();
   }

private void button3_Click(Object sender, EventArgs e)
{
    ColorDialog myColorDialog = new ColorDialog();
   
    // Disable selecting a custom color.
    myColorDialog.set_AllowFullOpen(false);
    
    // Enable the help button.
    myColorDialog.set_ShowHelp(true);
    
    // Set the initial color to the current color.
    myColorDialog.set_Color(myDataGrid.get_HeaderForeColor());
    
    // Show color dialog box.
    myColorDialog.ShowDialog();
    
    // Set the header foreground color.
    myDataGrid.set_HeaderForeColor(myColorDialog.get_Color());
} //button3_Click

// Reset the header foregroundcolor.
private void button4_Click(Object sender, EventArgs e)
{
    myDataGrid.ResetHeaderForeColor();
} //button4_Click

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

DataGrid 类
DataGrid 成员
System.Windows.Forms 命名空间