Find absolute screen coordinates of ActiveView

Discussion created by olamr on Feb 24, 2011
Latest reply on Feb 28, 2011 by olamr

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Hi all, I cant find the absolute screen coordinates of IMxDocument.ActiveView upper left corner.
Using dotnet:
If I try to obtain position via component reference: "System.Windows.Forms.Control.FromHandle(new IntPtr(ActiveView.ScreenDisplay.hWnd))" I get NULL.
I have a feeling this should be very simple, but maybe its not..
Thanks for any help!
-Ola

I forgot to mention: This is an ArcMap extension with a toolbar.

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rwelikal Feb 24, 2011 5:26 AM
http://www.scs.ryerson.ca/~cps613/AssignmentReferences/DragDrop.shtml#Coordinates

Would this work?
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msteinbrenner Feb 24, 2011 8:15 AM
try:

My.ArcMap.Document.ActiveView.Extent.XMin
My.ArcMap.Document.ActiveView.Extent.YMax
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olamr Feb 24, 2011 10:21 PM
http://www.scs.ryerson.ca/~cps613/AssignmentReferences/DragDrop.shtml#Coordinates

Would this work?

Not quite.
Mouse positions are not availible at the time I need them.
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olamr Feb 24, 2011 10:25 PM
try:

My.ArcMap.Document.ActiveView.Extent.XMin
My.ArcMap.Document.ActiveView.Extent.YMax

This gives me real world coordinates, not screen coordinates.
I can convert them the to screen coordinates, but they are always relative to the upper left corner of the map. So I need the map position as well...
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msteinbrenner Feb 25, 2011 2:48 AM
So I need the map position as well...

i think i am not understanding what you are trying to do but; those coordinates should be the upper left corner of the map...
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Neil Feb 25, 2011 9:16 AM
Have you tried using the display transformation object? It's available through IScreenDisplay.DisplayTransformation. It may give you what you're looking for.
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olamr Feb 28, 2011 2:47 AM
i think i am not understanding what you are trying to do but; those coordinates should be the upper left corner of the map...

I get map coordinates rater than screen coordinates... but I can convert them with IDisplayTransformation. But as I said, point(0,0) is upper left corner of the map window, not the screen.

I am making a ArcMap extension/toolbar. Maybe the results is different if called from a standalone application ?

Thansk for your effort anyway!
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Find absolute screen coordinates of ActiveView

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