Behavior.OnMouseDoubleClick(Glyph, MouseButtons, Point) Yöntem

public:
 virtual bool OnMouseDoubleClick(System::Windows::Forms::Design::Behavior::Glyph ^ g, System::Windows::Forms::MouseButtons button, System::Drawing::Point mouseLoc);

public virtual bool OnMouseDoubleClick (System.Windows.Forms.Design.Behavior.Glyph g, System.Windows.Forms.MouseButtons button, System.Drawing.Point mouseLoc);

public virtual bool OnMouseDoubleClick (System.Windows.Forms.Design.Behavior.Glyph? g, System.Windows.Forms.MouseButtons button, System.Drawing.Point mouseLoc);

abstract member OnMouseDoubleClick : System.Windows.Forms.Design.Behavior.Glyph * System.Windows.Forms.MouseButtons * System.Drawing.Point -> bool
override this.OnMouseDoubleClick : System.Windows.Forms.Design.Behavior.Glyph * System.Windows.Forms.MouseButtons * System.Drawing.Point -> bool

Public Overridable Function OnMouseDoubleClick (g As Glyph, button As MouseButtons, mouseLoc As Point) As Boolean

Parametreler

Döndürülenler

true ileti işlendiyse; aksi takdirde , false.

Örnekler

Aşağıdaki kod örneği, çift tıklama iletisinin nasıl işlenme şeklini gösterir. Tam kod listesi için bkz . Nasıl yapılır: Tasarım Modunda Denetimlerin Görünümünü ve Davranışını Genişletme.

// When you double-click on an AnchorGlyph, the value of 
// the control's Anchor property is toggled.
//
// Note that the value of the Anchor property is not set
// by direct assignment. Instead, the 
// PropertyDescriptor.SetValue method is used. This 
// enables notification of the design environment, so 
// related events can be raised, for example, the
// IComponentChangeService.ComponentChanged event.

public override bool OnMouseDoubleClick(
    Glyph g, 
    MouseButtons button, 
    Point mouseLoc)
{
    base.OnMouseDoubleClick(g, button, mouseLoc);

    if (button == MouseButtons.Left)
    {
        AnchorGlyph ag = g as AnchorGlyph;
        PropertyDescriptor pdAnchor = 
            TypeDescriptor.GetProperties(ag.relatedControl)["Anchor"];

        if (ag.IsEnabled)
        {
            // The glyph is enabled. 
            // Clear the AnchorStyle flag to disable the Glyph.
            pdAnchor.SetValue(
                ag.relatedControl, 
                ag.relatedControl.Anchor ^ ag.anchorStyle );
        }
        else
        {
            // The glyph is disabled. 
            // Set the AnchorStyle flag to enable the Glyph.
            pdAnchor.SetValue(
                ag.relatedControl,
                ag.relatedControl.Anchor | ag.anchorStyle);
        }
    }

    return true;
}

' When you double-click on an AnchorGlyph, the value of 
' the control's Anchor property is toggled.
'
' Note that the value of the Anchor property is not set
' by direct assignment. Instead, the 
' PropertyDescriptor.SetValue method is used. This 
' enables notification of the design environment, so 
' related events can be raised, for example, the
' IComponentChangeService.ComponentChanged event.
Public Overrides Function OnMouseDoubleClick( _
ByVal g As Glyph, _
ByVal button As MouseButtons, _
ByVal mouseLoc As Point) As Boolean

    MyBase.OnMouseDoubleClick(g, button, mouseLoc)

    If button = MouseButtons.Left Then
        Dim ag As AnchorGlyph = g

        Dim pdAnchor As PropertyDescriptor = _
        TypeDescriptor.GetProperties(ag.relatedControl)("Anchor")

        If ag.IsEnabled Then
            ' The glyph is enabled. 
            ' Clear the AnchorStyle flag to disable the Glyph.
            pdAnchor.SetValue(ag.relatedControl, _
            ag.relatedControl.Anchor Xor ag.anchorStyle)
        Else
            ' The glyph is disabled. 
            ' Set the AnchorStyle flag to enable the Glyph.
            pdAnchor.SetValue(ag.relatedControl, _
            ag.relatedControl.Anchor Or ag.anchorStyle)
        End If
    End If

    Return True

End Function

Açıklamalar

yöntemi OnMouseDoubleClick , herhangi bir çift tıklama iletisi öğesinin donatıcı penceresine girdiğinde WndProc çağrılır BehaviorService. İleti ilk olarak burada, davranış yığınının en Behavior üstüne geçirilir. Bu yöntemden döndürülmesi true , iletinin tarafından Behavior işlendiğini ve işlenmeye devam edilmemesi gerektiğini gösterir. Buradan, ileti uygun davranışa gönderilir.

Şunlara uygulanır

Ayrıca bkz.

• Glyph
• BehaviorService
• MenuCommand
• Nasıl yapılır: Tasarım Modunda Denetimlerin Görünüşü ve Davranışını Genişletme