imaq1394Grab2CW

Format

imaq1394Grab2CW(sessionId As SESSION_ID, waitForNextBuffer As Long, actualBufferNumber As Long, dispatch As Object) As IMG_ERR

Purpose

Acquires the most current frame into a valid CWIMAQImage. Call this function only after calling imaq1394SetupGrabCW.

Parameters

Parameter	Type	Description
sessionId	SESSION_ID	A valid Session ID, which you can obtain using imaq1394CameraOpen2.
waitForNextBuffer	long	Specifies whether the function returns the image currently being acquired or the last completely acquired image. Specify TRUE (1) to wait for a buffer. Specify FALSE (0) to get the current buffer in memory.
bufferNumberActual	long (passed by reference)	The actual cumulative buffer number of the image retrieved.
dispatch	Object	A valid CWIMAQImage.

Return Value

On success, this function returns IMG1394_ERR_GOOD. On failure, this function returns an error code. You can obtain a more detailed error message with imaq1394ShowErrorCW.