ICM_GET
The ICM_GET
message retrieves an application-defined doubleword from a video compression
driver.
ICM_GET
wParam = (DWORD) (LPVOID) pv;
lParam = (DWORD) cb;
Parameters
pv
Address of a
block of memory to be filled with the current state. You can also specify NULL
to determine the amount of memory required by the state information.
cb
Size, in
bytes, of the block of memory.
Return Values
Returns the
amount of memory, in bytes, required to store the status information.
Remarks
The structure
used to represent state information is driver specific and is defined by the
driver.