lFlags
Flags that determine whether the main bitmap or the overlay bitmap should be updated. Possible values are:
|
Value |
Meaning |
|
SETOVERLAYBITS_FROMOVERLAY |
[0x0001] Update the main bitmap’s bits for the corresponding bitplane using the data from the overlay bitmap. |
|
SETOVERLAYBITS_FROMBITMAP |
[0x0002] Update the overlay bitmap with the bits from the corresponding bit plane of the main bitmap. Can be or-ed with SETOVERLAYBITS_CLEAR. |
|
SETOVERLAYBITS_CLEAR |
[0x0004] Clear the bits from the bitplane associated with the overlay that are not contained in the overlay bitmap (use only in combination with SETOVERLAYBITS_FROMOVERLAY) |