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Operator’s Manual LBA-PC
170
the Ultracal will not start and the LBA-PC will display an error message on the LBA-PC display.
This method returns the following:
0 OK
1 Other initialization error
9.3.2.3 OpenIndex
This method initiates communication between the LBA-PC ActiveX control and LBA-PC. You must
call this method, or the Open method, before calling any other method or accessing any of the
properties. If you do not call this method, then all the properties will be zero, methods will have
no effect, and no events will fire.
OpenIndex takes one parameter, which is the index of the application you want to connect to.
The AppInfo property can be used to determine which application to connect to.
If you do not care which LBA-PC application you connect to, or have only one LBA-PC, then call
the Open method.
-1 The LBA-PC is not available
0 OK
1 Other initialization error
9.3.2.4 Start
This method is identical to clicking Start! on the LBA-PC. This method has no effect if the LBA-PC
is already collecting frames of data.
If Ultracal is not complete, the LBA-PC cannot start. If there is any other problem, the LBA-PC
will not start and will display an error message on the LBA-PC display.
This method returns the following:
-1 The LBA-PC is not available
0 OK
1 Load configuration error
9.3.2.5 Stop
This method is identical to clicking Stop! on the LBA-PC. This method has no effect if the LBA-PC
is stopped. This method immediately cancels the Ultracal operation. Any previous Ultracal is
retained.
9.3.2.6 Ultracal
This method is identical to clicking Ultracal! on the LBA-PC. This method has no effect if a
previous Ultracal operation is not complete.
If the LBA-PC is collecting frames of data the Ultracal cannot start. If there is any other problem,