Extended WPF Toolkit change ChildWindow position in code

Question

Both WindowContainer and ChildWindow of the Extended WPF Toolkit have Left and Top properties available in XAML but neither of those two properties are available in code behind.

How can we change the position of WindowContainer or ChildWindow from code if these properties are not exposed?

private void VerifyWindowSize(Xceed.Wpf.Toolkit.Primitives.WindowContainer wc)
{
    if (wc == null) return;
    if (wc.Width > screen.WorkingArea.Width)
    {
        wc.Width = screen.WorkingArea.Width;
        //wc.Left = screen.WorkingArea.Left; // Cannot resolve symbol Left
    }
    if (!(wc.Height > screen.WorkingArea.Height)) return;
    wc.Height = screen.WorkingArea.Height;
    //wc.Top = screen.WorkingArea.Top;
}

Answer 1

WindowContainer is a Canvas, therefore its own Left and Top dependency properties are attached. They are not meant for the WindowContainer itself, but for its children. If you want to set - for example - the Left attached property for a child of a Canvas, you can use the related method SetLeft.

On the other side the ChildWindow control has its own Left and Top properties, they are not attached and you can use it in your code without any problem.

I hope it can help you.