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ICM_SET_STATUS_PROC message

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The ICM_SET_STATUS_PROC message provides a status callback function with the status of a lengthy operation.

ICM_SET_STATUS_PROC 
wParam = (DWORD_PTR)icsetstatusProc; 
lParam = sizeof(ICSETSTATUSPROC);

Parameters

icsetstatusProc

Pointer to an ICSETSTATUSPROC structure.

lParam

Size, in bytes, of ICSETSTATUSPROC.

Return Value

Returns ICERR_OK if successful or an error otherwise.

Remarks

Support of this message is optional but strongly recommended if compression or decompression takes longer than approximately one-tenth of a second.

An application can send this message periodically to a status callback function during lengthy operations.

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