Control.IsMnemonic(Char, String) Yöntem

public:
 static bool IsMnemonic(char charCode, System::String ^ text);

public static bool IsMnemonic (char charCode, string text);

public static bool IsMnemonic (char charCode, string? text);

static member IsMnemonic : char * string -> bool

Public Shared Function IsMnemonic (charCode As Char, text As String) As Boolean

Parametreler

Döndürülenler

true charCode karakter denetime atanan anımsatıcı karakterse; değilse, false.

Örnekler

Aşağıdaki kod örneği, özel davranış sergilemek için yöntemini geçersiz kılan düğme sınıfının bir uzantısını ProcessMnemonic gösterir. Örnekte ve IsMnemonic özelliklerinin kullanımı da gösterilmektedirCanSelect. Bu örneği çalıştırmak için aşağıdaki kodu bir form sınıfından sonra aynı dosyaya yapıştırın. Forma türdeki MnemonicButton bir düğme ekleyin.

// This button is a simple extension of the button class that overrides
// the ProcessMnemonic method.  If the mnemonic is correctly entered,  
// the message box will appear and the click event will be raised.  
// This method makes sure the control is selectable and the 
// mnemonic is correct before displaying the message box
// and triggering the click event.
public ref class MyMnemonicButton: public Button
{
protected:
   bool ProcessMnemonic( char inputChar )
   {
      if ( CanSelect && IsMnemonic( inputChar, this->Text ) )
      {
         MessageBox::Show( "You've raised the click event "
         "using the mnemonic." );
         this->PerformClick();
         return true;
      }

      return false;
   }

};

// This button is a simple extension of the button class that overrides
// the ProcessMnemonic method.  If the mnemonic is correctly entered,  
// the message box will appear and the click event will be raised.  
public class MyMnemonicButton : Button
{
    // This method makes sure the control is selectable and the 
    // mneumonic is correct before displaying the message box
    // and triggering the click event.
    protected override bool ProcessMnemonic(char inputChar)
    {
        if (CanSelect && IsMnemonic(inputChar, this.Text))
        {
            MessageBox.Show("You've raised the click event " +
                "using the mnemonic.");
            this.PerformClick();
            return true;
        }
        return false;
    }
}

' This button is a simple extension of the button class that overrides
' the ProcessMnemonic method.  If the mnemonic is correctly entered,  
' the message box will appear and the click event will be raised.  
Public Class MyMnemonicButton
    Inherits Button

    ' This method makes sure the control is selectable and the 
    ' mneumonic is correct before displaying the message box
    ' and triggering the click event.
    <System.Security.Permissions.UIPermission( _
    System.Security.Permissions.SecurityAction.Demand, Window:=UIPermissionWindow.AllWindows)> _
    Protected Overrides Function ProcessMnemonic( _
        ByVal inputChar As Char) As Boolean

        If (CanSelect And IsMnemonic(inputChar, Me.Text)) Then
            MessageBox.Show("You've raised the click event " _
                & "using the mnemonic.")
            Me.PerformClick()
            Return True
        End If
        Return False
    End Function

End Class

Açıklamalar

Anımsatıcı karakter, içindeki Stringilk "&" örneğinden hemen sonra gelen karakterdir.

Şunlara uygulanır

Ayrıca bkz.

• ProcessMnemonic(Char)