Waits until the specified object is in the signaled state
#include <WinAPIProc.au3>
_WinAPI_WaitForSingleObject ( $hHandle [, $iTimeout = -1] )
| $hHandle | A handle to the object |
| $iTimeout | [optional] The time-out interval, in milliseconds. If 0, the function tests the states of the specified objects and returns immediately. If -1, the function's time-out interval never elapses. |
| Success: | Indicates the event that caused the function to return |
| Failure: | (-1) WAIT_FAILED, call _WinAPI_GetLastError() to get extended error information |
_WinAPI_WaitForMultipleObjects
Search WaitForSingleObject in MSDN Library.