User Manual

Programmer's reference29

5.4.12

HRDLOpenUnitProgress

short HRDLOpenUnitProgress(

short * handle,

short * progress )

Checks the progress of an asynchronous open operation.

Arguments

handle

Pointer to a short where the unit handle is to be written:

-1: if the unit fails to open

0: if no unit is found

>0 : a handle to the device opened (this handle is not valid unless the

function returns true)

progress

Pointer to a short to which the percentage progress is to be written. 100%

implies that the open operation is complete

Returns

0 if open operation is still in progress

1 if the open operation is complete