DataGrid.ResetHeaderBackColor メソッドとは何？わかりやすく解説 Weblio辞書

.NET Framework クラスライブラリリファレンス

索引トップ用語の索引ランキング

DataGrid.ResetHeaderBackColor メソッド

HeaderBackColor プロパティを既定値にリセットします。

名前空間: System.Windows.Forms
アセンブリ: System.Windows.Forms (system.windows.forms.dll 内)
構文

Visual Basic (宣言)

Public Sub ResetHeaderBackColor

Visual Basic (使用法)

Dim instance As DataGrid

instance.ResetHeaderBackColor

public void ResetHeaderBackColor ()

C++

public:
void ResetHeaderBackColor ()

public void ResetHeaderBackColor ()

JScript

public function ResetHeaderBackColor ()

解説

通常、System.Windows.Forms.DataGrid のデザイナを作成する場合、または System.Windows.Forms.DataGrid が組み込まれている独自のコントロールを作成する場合に、このメソッドを使用します。ShouldSerializeHeaderBackColor メソッドを使用して、プロパティの値が既定値から変更されたかどうかを判断します。

使用例

Visual Basic

Private Sub button1_Click(ByVal
 sender As Object, ByVal
 e As EventArgs) Handles button1.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.HeaderBackColor
    ' Show color dialog box.
    myColorDialog.ShowDialog()
    ' Set the header background color.   
    myDataGrid.HeaderBackColor = myColorDialog.Color
End Sub 'button1_Click

' Reset the header background color.
Private Sub button2_Click(ByVal
 sender As Object, ByVal
 e As EventArgs) Handles button2.Click
    myDataGrid.ResetHeaderBackColor()
End Sub 'button2_Click

private void button1_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.HeaderBackColor;
   // Show color dialog box.
   myColorDialog.ShowDialog();
   // Set the header background color.   
   myDataGrid.HeaderBackColor  = myColorDialog.Color;
   
}
// Reset the header background color.
private void button2_Click(object sender, EventArgs
 e)
{           
   myDataGrid.ResetHeaderBackColor();
}

C++

private:
   void button1_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->HeaderBackColor;

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

      // Set the header background color.
      myDataGrid->HeaderBackColor = myColorDialog->Color;
   }

   // Reset the header background color.
   void button2_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      myDataGrid->ResetHeaderBackColor();
   }

private void button1_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_HeaderBackColor());
    
    // Show color dialog box.
    myColorDialog.ShowDialog();
    
    // Set the header background color.   
    myDataGrid.set_HeaderBackColor(myColorDialog.get_Color());
} //button1_Click

// Reset the header background color.
private void button2_Click(Object sender, EventArgs
 e)
{
    myDataGrid.ResetHeaderBackColor();
} //button2_Click