Me.dragmove doesn't work in WPF VB.NET

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Hi guys
I got confused !!!
When I write this sub in a Window in wpf, it works fine.
But when I use this sub in UserControl in wpf, it doesn't work!
Any kindly idea please?

What I have tried:

XML

Protected Overrides Sub OnMouseLeftButtonDown(ByVal e As MouseButtonEventArgs)
    MyBase.OnMouseLeftButtonDown(e)
    Me.DragMove()
End Sub

Posted 6-Dec-23 4:55am

Sh.H.

Updated 6-Dec-23 5:27am

v2

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Sh.H. · Accepted Answer · 2023-12-06T05:29:00

Solution 1

Solved!
This sub only works on Window, not UserControl.
Because a UserControl is sitting on a Window and a UserControl is not a Window.

Posted 6-Dec-23 5:29am

Sh.H.