WM_CAP_FILE_SET_INFOCHUNK

The WM_CAP_FILE_SET_INFOCHUNK message sets and clears information chunks. Information chunks can be inserted in an AVI file during capture to embed text strings or custom data. You can send this message explicitly or by using the capFileSetInfoChunk macro.

WM_CAP_FILE_SET_INFOCHUNK

wParam = (WPARAM)0;

lParam = (LPARAM) (LPCAPINFOCHUNK) (lpInfoChunk);

Parameters

lpInfoChunk

Address of a CAPINFOCHUNK structure defining the information chunk to be created or deleted.

Return Values

Returns TRUE if successful or FALSE otherwise.

If an error occurs and an error callback function is set using the WM_CAP_SET_CALLBACK_ERROR message, the error callback function is called.

Remarks

Multiple registered information chunks can be added to an AVI file. After an information chunk is set, it continues to be added to subsequent capture files until either the entry is cleared or all information chunk entries are cleared. To clear a single entry, specify the information chunk in the fccInfoID member and NULL in the lpData member of the CAPINFOCHUNK structure. To clear all entries, specify NULL in fccInfoID.

See Also

capFileSetInfoChunk, CAPINFOCHUNK, WM_CAP_SET_CALLBACK_ERROR

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