How to use height and width of relative panel that values are Nan

Shay Wilner 1,746

I  have a classX  with  contructor 
 Public Sub New(ByVal heightbar As Double, ByVal widthcanvas As Double, Optional ByVal bottom As Double = 0)
The  problem i have to pass as parameter the width and height of a relative pane  which  are Nan .

Is there a solution  ?
Thanks

Accepted answer

John Torjo 861 Reputation points

2020-05-05T20:14:04.813+00:00

Assuming you have the controls themselves, you can use ctrl.ActualWidth, and ctrl.ActualHeight
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Shay Wilner 1,746 Reputation points

2020-05-06T08:55:00.013+00:00

Hi
Thanks

There is a little problem because it works only if the ctrl is displayed.
Assume there is a button and at the click event i need to get the ctrl.actual width

Private Sub button1_Click(sender As Object, e As RoutedEventArgs) Handles button1.Click myctrl.visibilty = = Visibility.Visible dim drawobj as classdraw drawobj = new classdraw(myctrl.actualheight,myctrl.actualheight) end sub

myctrl.actualheight = 0
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How to use height and width of relative panel that values are Nan

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