给控件添加复制事件

public Window1()

{

    InitializeComponent();

 

    // "tb" is a TextBox

    DataObject.AddPastingHandler(tb,new DataObjectPastingEventHandler(OnPaste));

}

 

private void OnPaste(object sender, DataObjectPastingEventArgs e)

{

    var isText = e.SourceDataObject.GetDataPresent(System.Windows.DataFormats.Text, true);

    if (!isText)return;

 

    var text = e.SourceDataObject.GetData(DataFormats.Text) as string;

     

}