Rediger

Del via


ICM_SET_STATUS_PROC message

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