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Handle click outside window in ShowDialog

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This is a migrated thread and some comments may be shown as answers.
Kevin
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Kevin asked on 23 Apr 2011, 12:52 AM
I would like to allow the user to close the RadWindow in ShowDialog() mode by clicking outside of the window.  I know I can set the color of this background area using the ModalBackground property... but is there a way to handle a mouse click on this?

Thanks for the help!

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Konstantina
Telerik team
answered on 27 Apr 2011, 10:40 AM
Hello Kevin,

There is no easy way to achieve this. You have to find the Rectangle which illustrates the modal background and hook to its mouse click event. The modal background is created dynamically, so you will have to find the visual parent of the RadWindow.

Hope this information helps.

Regards,
Konstantina
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Tom
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answered on 07 Feb 2012, 03:01 PM
I was looking for a solution to this problem and found that the object you are looking for is in fact a Canvas.
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Tom
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answered on 08 Feb 2012, 03:12 PM
Upon further exploration I have come up with a solution that works well. Hopefully someone will find it useful:

RadWindow PopupWindow;
public SampleView()
{
    InitializeComponent();
    PopupWindow = new RadWindow { Header = "Details", Name = "radWindow" };
    PopupWindow.Loaded += new RoutedEventHandler(PopupWindow_Loaded);
}
void PopupWindow_Loaded(object sender, RoutedEventArgs e)
{
    Canvas canvas = Framework.Traversal.FirstVisualAncestorOfType<Canvas>(PopupWindow);
    canvas.MouseLeftButtonDown -= canvas_MouseLeftButtonDown;
    canvas.MouseLeftButtonDown += canvas_MouseLeftButtonDown;
}
void canvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
    Point mousepoint = e.GetPosition(null);
    var elements = VisualTreeHelper.FindElementsInHostCoordinates(mousepoint, PopupWindow);
    if (elements.Count() == 0)
        PopupWindow.Close();
}
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Konstantina
Telerik team
answered on 13 Feb 2012, 09:09 AM
Hello Tom,

Thank you for sharing your solution with the community.

Greetings,
Konstantina
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Konstantina
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Tom
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