Set software trigger of scope
Enter the value returned by the function xPCOpenTcpIpPort.
Enter the scope number.
xPCScSoftwareTrigger function triggers
scNum. The scope must be in the state
for trigger for this function to succeed. Use xPCScGetState to check the state of the
scope. Use the xPCGetScopes function
to get a list of scopes.
Regardless of the trigger mode setting, you can use
force a trigger. In trigger mode
this function is the only way to trigger the scope.