DataGrid.CaptionVisibleChanged イベント

.NET Framework クラス ライブラリ リファレンス

DataGrid.CaptionVisibleChanged イベント

CaptionVisible プロパティが変更された場合に発生します。

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 Event CaptionVisibleChanged As
 EventHandler

Visual Basic (使用法)

Dim instance As DataGrid
Dim handler As EventHandler

AddHandler instance.CaptionVisibleChanged, handler

C#

public event EventHandler CaptionVisibleChanged

C++

public:
event EventHandler^ CaptionVisibleChanged {
    void add (EventHandler^ value);
    void remove (EventHandler^ value);
}

J#

/** @event */
public void add_CaptionVisibleChanged (EventHandler
 value)

/** @event */
public void remove_CaptionVisibleChanged (EventHandler
 value)

JScript

JScript では、イベントは使用できますが、新規に宣言することはできません。

解説

イベント処理の詳細については、「イベントの利用」を参照してください。

使用例

Visual Basic

' Create an instance of the 'CaptionVisibleChanged' EventHandler.
Private Sub CallCaptionVisibleChanged()
   AddHandler myDataGrid.CaptionVisibleChanged, AddressOf
 Grid_CaptionVisibleChanged
End Sub 'CallCaptionVisibleChanged


' Set the 'CaptionVisible' property on click of a button.
 Private Sub myButton_Click(ByVal
 sender As Object, ByVal
 e As EventArgs)
     If myDataGrid.CaptionVisible = True Then
         myDataGrid.CaptionVisible = False
     Else
         myDataGrid.CaptionVisible = True
     End If
 End Sub 'myButton_Click
 
' Raise the event when 'CaptionVisible' property is changed.
 Private Sub Grid_CaptionVisibleChanged(ByVal
 sender As Object, ByVal
 e As EventArgs)
     ' String variable used to show message.
     Dim myString As String
 = "CaptionVisibleChanged event raised, caption is"
     ' Get the state of 'CaptionVisible' property.
     Dim myBool As Boolean
 = myDataGrid.CaptionVisible
     ' Create appropriate alert message.
     myString += IIf(myBool, " ", "
 not ") + "visible"
     ' Show information about caption of DataGrid. 
     MessageBox.Show(myString, "Caption information")
 End Sub 'Grid_CaptionVisibleChanged

C#

// Create an instance of the 'CaptionVisibleChanged' EventHandler.
private void CallCaptionVisibleChanged()
{
   myDataGrid.CaptionVisibleChanged += 
                           new EventHandler(Grid_CaptionVisibleChanged);
}

// Set the 'CaptionVisible' property on click of a button.
private void myButton_Click(object sender,
 EventArgs e)
{
   if (myDataGrid.CaptionVisible == true)
      myDataGrid.CaptionVisible = false;
   else
      myDataGrid.CaptionVisible = true;
}

// Raise the event when 'CaptionVisible' property is changed.
private void Grid_CaptionVisibleChanged(object
 sender, EventArgs e)
{
   // String variable used to show message.
   string myString = "CaptionVisibleChanged event raised,
 caption is";
   // Get the state of 'CaptionVisible' property.
   bool myBool = myDataGrid.CaptionVisible;
   // Create appropriate alert message.
   myString += (myBool ? " " : " not ") + "visible";
   // Show information about caption of DataGrid. 
   MessageBox.Show(myString, "Caption information");
}

C++

   // Create an instance of the 'CaptionVisibleChanged' EventHandler.
private:
   void CallCaptionVisibleChanged()
   {
      myDataGrid->CaptionVisibleChanged += gcnew EventHandler( this,
 &MyDataGrid::Grid_CaptionVisibleChanged );
   }

   // Set the 'CaptionVisible' property on click of a button.
   void myButton_Click( Object^ /*sender*/, EventArgs^ /*e*/ )
   {
      if ( myDataGrid->CaptionVisible == true
 )
            myDataGrid->CaptionVisible = false;
      else
            myDataGrid->CaptionVisible = true;
   }

   // Raise the event when 'CaptionVisible' property is changed.
   void Grid_CaptionVisibleChanged( Object^ /*sender*/, EventArgs^
 /*e*/ )
   {
      // String variable used to show message.
      String^ myString = "CaptionVisibleChanged event raised, caption is";

      // Get the state of 'CaptionVisible' property.
      bool myBool = myDataGrid->CaptionVisible;

      // Create appropriate alert message.
      myString = String::Concat( myString, myBool ? (String^)" " : "
 not ", "visible" );

      // Show information about caption of DataGrid.
      MessageBox::Show( myString, "Caption information" );
   }

J#

// Create an instance of the 'CaptionVisibleChanged' EventHandler.
private void CallCaptionVisibleChanged()
{
    myDataGrid.add_CaptionVisibleChanged(new EventHandler(
        GridCaptionVisibleChanged));
} //CallCaptionVisibleChanged

// Set the 'CaptionVisible' property on click of a button.
protected void myButton_Click(Object sender,
 EventArgs e)
{
    if (myDataGrid.get_CaptionVisible() == true)
 {
        myDataGrid.set_CaptionVisible(false);
    }
    else {
        myDataGrid.set_CaptionVisible(true);
    }
} //myButton_Click

// Raise the event when 'CaptionVisible' property is changed.
protected void GridCaptionVisibleChanged(Object
 sender, EventArgs e)
{
    // String variable used to show message.
    String myString = "CaptionVisibleChanged event raised, caption is";

    // Get the state of 'CaptionVisible' property.
    boolean myBool = myDataGrid.get_CaptionVisible();

    // Create appropriate alert message.
    myString += (myBool ? " " : " not ") + "visible";

    // Show information about caption of DataGrid. 
    MessageBox.Show(myString, "Caption information");
} //GridCaptionVisibleChanged

プラットフォーム

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

開発プラットフォームの中には、.NET Framework によってサポートされていないバージョンがあります。サポートされているバージョンについては、「システム要件」を参照してください。

バージョン情報

.NET Framework
サポート対象 : 2.0、1.1、1.0

参照

関連項目
DataGrid クラス
DataGrid メンバ
System.Windows.Forms 名前空間