語言

MouseButtonEventArgs.ButtonState 屬性

定義

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

取得與事件相關的按鈕狀態。

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

按鈕的狀態。

範例

以下範例建立一個滑鼠按鈕事件處理程序，會改變處理事件的物件顏色。 選擇的顏色取決於滑鼠按鈕是被按下還是放開。

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

該 Mouse 類別提供額外的屬性與方法來判定滑鼠狀態。

適用於

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