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Sets the current target rectangle (pure virtual). This is an internal member function that gets called when the destination rectangle changes.
virtual HRESULT SetTargetRect( RECT * pTargetRect ) PURE;
Parameters
- pTargetRect
- Destination rectangle.
Return Values
Returns an HRESULTvalue.
Remarks
Derived classes should override this to know when the destination rectangle changes. It is called from the following member functions.