hi all,
When I use osgMFCViewer, I create multiple rendering context,that's to
say there are many HWND, each HWND is related to one Render thread ,so much CPU
resource is taken up. This is what I want to do: When one viewport is
maximazed, the others will be hidden ,so these hidden context do not need
continue the rendering. I want to suspend and resume some rendering thread
depends on message CWnd::OnSize(UINT nType, int cx, int cy ). I checked the
MSDN and find that the parameter nType can be one of the following values
SIZE_MAXIMIZED Window has been maximized.
SIZE_MINIMIZED Window has been minimized.
SIZE_RESTORED Window has been resized, but neither SIZE_MINIMIZED nor
SIZE_MAXIMIZED applies.
SIZE_MAXHIDE Message is sent to all pop-up windows when some other window is
maximized.
SIZE_MAXSHOW Message is sent to all pop-up windows when some other window
has been restored to its former size.
My problem is that I never get SIZE_MAXHIDE or SIZE_MAXSHOW message.
Is there anyone who has used SIZE_MAXHIDE or SIZE_MAXSHOW message? Or is there
any other way to reduce the CPU resource usage？
thanks in advance
best regards
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