StylusPlugIn.OnIsActiveForInputChanged 方法

定义

命名空间:

System.Windows.Input.StylusPlugIns

程序集:

PresentationCore.dll

当 IsActiveForInput 属性更改时发生。

protected:
 virtual void OnIsActiveForInputChanged();

protected virtual void OnIsActiveForInputChanged ();

abstract member OnIsActiveForInputChanged : unit -> unit
override this.OnIsActiveForInputChanged : unit -> unit

Protected Overridable Sub OnIsActiveForInputChanged ()

示例

以下示例演示如何重写 OnIsActiveForInputChanged 方法。

protected override void OnIsActiveForInputChanged()
{
    base.OnIsActiveForInputChanged();

    if (!this.IsActiveForInput)
    {
        // Clean up any resources the plug-in uses.
    }
    else
    {
        // Allocate the resources the plug-in uses.
    }
}

Protected Overrides Sub OnIsActiveForInputChanged()

    MyBase.OnIsActiveForInputChanged()

    If Not Me.IsActiveForInput Then
        ' Clean up any resources the plug-in uses.
    Else
        ' Allocate the resources the plug-in uses.
    End If

End Sub

注解

OnIsActiveForInputChanged使用 方法分配和清理 使用StylusPlugIn的资源。