How to find - which area of Window made "invalid" ?

[vgrigor]

How to find - which area of Window made "invalid" ? When else window moves over my CDialog, I need to find which area is declared as "invalid", to redraw background of appropiate childs, but nt All each time. - in OnEreaseBackground(CDC* pDC) Thanks.

[Prakash Nadar]

GetUpdateRect(..); might be of some help to you.

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[vgrigor]

Thanks. How to set for control another Client area ?

[Prakash Nadar]

vgrigor wrote: How to set for control another Client area ? I didnt get your question.

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MSN Messenger. prakashnadar@msn.com "If history isn't good, just burn it." - Sidhuism.

[vgrigor]

Need to enlarge child window area, ao hay react according to event on that other area.

[Prakash Nadar]

If you have the pointer to the child window or a window handle to that child window then you can use SetWindowRect(...) to resize the window.

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MSN Messenger. prakashnadar@msn.com "If history isn't good, just burn it." - Sidhuism.

[vgrigor]

thanks, but it is need to get size to draw as previously. But react as bigger thing. some clipRect function does not that ?

[Prakash Nadar]

Sorry i am out of ideas :-(

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MSN Messenger. prakashnadar@msn.com "If history isn't good, just burn it." - Sidhuism.

[vgrigor]

No problem - not all people here have ones.

[Mike Dimmick]

GetUpdateRect / GetUpdateRgn, depending on whether you want to deal with the full complexity of a region, or just the rectangle that contains all the invalid parts. Stability. What an interesting concept. -- Chris Maunder