1. Get the window rect of the child frame. ( pChildFrame->GetWindowRect() )
2. Transform rect from screen coords to client coords of your main frame. ( pMainFrame->ScreenToClient() )
3. Store the rect in registry or elsewhere.
Is there any need to free memory allocated by this variable to avoid memory leak problems. if so.. then how can we do this.
Such variable is a pointer. If it points to a heap-allocated buffer then such memory should be eventually released.
However it really depends on the context if clean-up is up to you or not.
Could you please provide more info about?
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