MouseButtonEventArgs.ButtonState 屬性

  • 參考

定義

命名空間:
System.Windows.Input
組件:
PresentationCore.dll

取得與事件關聯的按鍵狀態。

public:
 property System::Windows::Input::MouseButtonState ButtonState { System::Windows::Input::MouseButtonState get(); };
public System.Windows.Input.MouseButtonState ButtonState { get; }
member this.ButtonState : System.Windows.Input.MouseButtonState
Public ReadOnly Property ButtonState As MouseButtonState

屬性值

MouseButtonState

按鍵的狀態。

範例

下列範例會建立滑鼠按鈕事件處理程式，以變更處理事件的物件色彩。 選擇的色彩取決於按下或放開滑鼠按鈕。

private void MouseButtonEventHandler(object sender, MouseButtonEventArgs e)
{
    if (e.ButtonState == MouseButtonState.Pressed)
    {
        this.Background = Brushes.BurlyWood;
    }

    if (e.ButtonState == MouseButtonState.Released)
    {
        this.Background = Brushes.Ivory;
    }
}

Private Sub MouseButtonEventHandler(ByVal sender As Object, ByVal e As MouseButtonEventArgs)
    If e.ButtonState = MouseButtonState.Pressed Then
        Me.Background = Brushes.BurlyWood
    End If

    If e.ButtonState = MouseButtonState.Released Then
        Me.Background = Brushes.Ivory
    End If
End Sub

備註

類別 Mouse 提供用來判斷滑鼠狀態的其他屬性和方法。

適用於

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