imaqSetupGrab
Usage
int imaqSetupGrab(SESSION_ID sessionID, Rect rect);
Purpose
Configures and starts a grab acquisition. A grab performs an acquisition that loops continually on one buffer. Use imaqGrab() to copy an image out of the buffer. Use imaqStopAcquisition() to end the acquisition.
Parameters
|
Name
|
Type
|
Description
|
|---|---|---|
| sessionID | SESSION_ID | A valid session ID. |
| rect | Rect | The area to acquire. If you set this parameter to IMAQ_NO_RECT, the function uses the entire acquisition window. |
Return Value
| Type |
Description |
|---|---|
| int | On success, this function returns a non-zero value. On failure, this function returns 0. To get extended error information, call imaqGetLastError(). |