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16648 Jul 21,2004 08:31 AM Jul 21,2004 10:50 AM Windows Forms 5
Tags: GridControl
Administrator [Syncfusion]
Asked On July 21, 2004 08:31 AM

I''m trying to get the last visible column. You previously told me: this.ViewLayout.LastVisibleCol which works great, EXCEPT, I need to get it from the OnLayout() in my derived grid control, which is causing it to be out of date. For example, if I have 4 columns visible and resize to 3 columns visible, it will give me 4 instead of 3. Then if I resize to 4, it gives me 3. Basically, it''s a step behind. This happens even if I call base.OnLayout() first. Is there a way to get this number updated because I need it in the OnLayout to figure out whether or not to show my scroll bars. Thanks.

Administrator [Syncfusion]
Replied On July 21, 2004 09:06 AM

Try calling this.ViewLayout.Reset before you try to access the this.ViewLayout.LastVisibleCol to see if that handles this problem.

Administrator [Syncfusion]
Replied On July 21, 2004 09:17 AM

Nope. Same response...

Administrator [Syncfusion]
Replied On July 21, 2004 10:00 AM

I do not think I see a problem in this sample. It seems to have the proper value of LastVisibleCol as I size the form. Do you see the problem in this sample? LayoutOverride_8594.zip

Administrator [Syncfusion]
Replied On July 21, 2004 10:19 AM

It''s working fine in your example. When I do the same before & after tracing in my code, however, I get the same value both before and after, the base.OnLayout() call. Very strange. I''ll see if I can figure out some reason it''s not getting updated in the OnLayout call, but nothing is coming to mind at this point. Pete

Administrator [Syncfusion]
Replied On July 21, 2004 10:50 AM

Found a solution. Kinda kludgy, but it works and doesn''t appear to have any noticeable side-effects. Thanks for your help. It got me looking in the right place. Pete


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