uEye Camera Manual Version 4.92
 |
 |
- |
USB 2.0 USB 3.0 GigE |
Syntax
INT is_WaitEvent (HIDS hCam, INT which, INT nTimeout)
Description
is_WaitEvent() allows waiting for uEye events. The function indicates successful execution when the event has occurred within the specified timeout.
Input parameters
hCam |
Camera handle |
which |
ID of the event (see is_EnableEvent()) |
nTimeout |
Time in milliseconds (ms) that the function will wait for an event to occur. Using the constant INFINITE you can set the time for the timeout to infinity. |
Return values
IS_NO_SUCCESS |
General error message |
IS_SUCCESS |
Function executed successfully |
IS_TIMED_OUT |
A timeout occurred. An image capturing process could not be terminated within the allowable period. That means the specified timeout expired without the event having occurred. |
Related functions
Example
//Activate and initialize FRAME event
is_EnableEvent(hCam, IS_SET_EVENT_FRAME);
//Start image capture and wait 1000 ms for event to occur
is_FreezeVideo(hCam, IS_DONT_WAIT);
INT nRet = is_WaitEvent(hCam, IS_SET_EVENT_FRAME, 1000);
if (nRet == IS_TIMED_OUT)
{
/* wait timed out */
}
else if (nRet == IS_SUCCESS)
{
/* event signaled */
}
is_DisableEvent(hCam, IS_SET_EVENT_FRAME);
Suggestion for improvement? Send us your short
Feedback on this chapter.
Thank you very much!
For technical questions please contact your local distributor or use the support form on our website.