NI IMAQ Function



rval imgSessionCopyBuffer(SESSION_ID sid, uInt32 bufferIndex, void* buffer, uInt32 waitForNext);


Copies session image data to a user buffer.


Name Type Direction
sid SESSION_ID input
bufferIndex uInt32 input
buffer void* input
waitForNext uInt32 input
rval Int32 output

Parameter Discussion

sid: valid SESSION_ID.

bufferIndex: valid buffer list index from which to copy.

buffer: points to an area of memory to receive the copy.

waitForNext: if zero, the function copies immediately. If non-zero, the function waits until the current acquisition is complete before copying.

Return Value

This function returns 0 on success. On failure, this function returns an error code. For information about the error code, call imgShowError.