Ok,, I think this is a bug.

I had a Map maximized.

Then, create a dialog for user selection.
Then click on "OK" on dialog to trigger procedure, BUT don't close  
 dialog.  While dialog is still up, process on back ground.
(Create a handler for OKButton).  Within that triggered procedure, create  
 a new map and Maximize the Newly Created Map

Now try to find the Width and Height of this new map

It returned the value "0"!!!

What's up with that

This does not happen in Mi4.5 or earlier version

 ---------------------------------
sample code


Include "mapbasic.def"
Declare Sub Main
Declare Sub TriggerThis
Sub Main
Set Window FrontWindow() Max '* asumming some mapper open
Dialog
 Control OkBUtton
 Calling TriggerThis
End Sub

Sub TriggerThis
   Open table "c:\temp\a.tab" '* open some map table and maximize the  
 window
   Map From "a"
   Set Window FrontWindow() Max
   Note WindowInfo(frontwindow(), WIN_INFO_WIDTH)
End Sub  
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