WPF中TextBox控件对于鼠标单击获取焦点后的全选
<div id="cnblogs_post_body"><div class="cnblogs_code"> 1 void OnLostFocus(object sender, RoutedEventArgs e) 2 { 3 TextBox tb = e.Source as TextBox; 4 tb.PreviewMouseDown += new MouseButtonEventHandler(OnPreviewMouseDown); 5 } 6 7 void OnPreviewMouseDown(object sender, MouseButtonEventArgs e) 8 { 9 TextBox tb = e.Source as TextBox;10 tb.Focus();11 e.Handled = true;12 }13 14 void OnGotFocus(object sender, RoutedEventArgs e)15 {16 TextBox tb = e.Source as TextBox;17 tb.SelectAll();18 tb.PreviewMouseDown -= new MouseButtonEventHandler(OnPreviewMouseDown);19 }
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