ICM_GET message

The ICM_GET message retrieves an application-defined DWORD value from a video compression driver.

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

Parameters

pv

Pointer to 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 Value

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.

Requirements

Requirement Value
Minimum supported client
Windows 2000 Professional [desktop apps only]
Minimum supported server
Windows 2000 Server [desktop apps only]
Header
Vfw.h

See also

Video Compression Manager

Video Compression Messages