DataGrid.CaptionVisibleChanged Olay
Tanım
Önemli
Bazı bilgiler ürünün ön sürümüyle ilgilidir ve sürüm öncesinde önemli değişiklikler yapılmış olabilir. Burada verilen bilgilerle ilgili olarak Microsoft açık veya zımni hiçbir garanti vermez.
Özellik değiştiğinde CaptionVisible gerçekleşir.
public:
event EventHandler ^ CaptionVisibleChanged;
public event EventHandler CaptionVisibleChanged;
member this.CaptionVisibleChanged : EventHandler
Public Custom Event CaptionVisibleChanged As EventHandler
Olay Türü
Örnekler
Aşağıdaki kod örneği bu olayın kullanımını gösterir.
// 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" );
}
// 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");
}
' Create an instance of the 'CaptionVisibleChanged' EventHandler.
Private Sub CallCaptionVisibleChanged()
AddHandler myDataGrid.CaptionVisibleChanged, AddressOf Grid_CaptionVisibleChanged
End Sub
' 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
' 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
Şunlara uygulanır
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