ICM_GET

wParam = (DWORD) (LPVOID) pv;
lParam = (DWORD) cb;
 

Retrieves an application-defined doubleword from a video compression driver.

• Returns the amount of memory, in bytes, required to store the status information.

wParam

Address of a block of memory to be filled with the current state. You can also specify NULL determine the amount of memory required by the state information.

lParam

Size, in bytes, of the block of memory.

Client applications send this message with wParam set to NULL to determine the size of the memory block required for obtaining the state information.

The structure used to represent state information is driver specific and is defined by the driver.

See Also

ICM_SETSTATE