The RestoreDC function restores a device context (DC) to the specified state. The DC is restored by popping state information off a stack created by earlier calls to the SaveDC function.
BOOL RestoreDC( HDC hdc, int nSavedDC );
A handle to the DC.
The saved state to be restored. If this parameter is positive, nSavedDC represents a specific instance of the state to be restored. If this parameter is negative, nSavedDC represents an instance relative to the current state. For example, -1 restores the most recently saved state.
If the function succeeds, the return value is nonzero.
If the function fails, the return value is zero.
Each DC maintains a stack of saved states. The SaveDC function pushes the current state of the DC onto its stack of saved states. That state can be restored only to the same DC from which it was created. After a state is restored, the saved state is destroyed and cannot be reused. Furthermore, any states saved after the restored state was created are also destroyed and cannot be used. In other words, the RestoreDC function pops the restored state (and any subsequent states) from the state information stack.
|Minimum supported client||Windows 2000 Professional [desktop apps only]|
|Minimum supported server||Windows 2000 Server [desktop apps only]|
|Header||wingdi.h (include Windows.h)|