ADU Series - USB Data
Acquisition Interface SDK
ADUCount
( requires DLL V2.1.0.0 or higher*)
This function counts the number of currently connected ADU
devices.
The function accepts a timeout value (in milliseconds), and returns the number of currently connected ADUs.
Note that the result does not update as devices are connected and disconnected.
It is advised that you make a call to ADUCount every time you need an updated count of connected ADUs.
The function accepts a timeout value (in milliseconds), and returns the number of currently connected ADUs.
Note that the result does not update as devices are connected and disconnected.
It is advised that you make a call to ADUCount every time you need an updated count of connected ADUs.
C Declaration:
int __stdcall ADUCount(unsigned long iTimeoutMillisec);
Visual Basic Declaration:
Declare Function ADUCount Lib "AduHid64.DLL" (ByVal iTimeout As Integer) As Integer
int __stdcall ADUCount(unsigned long iTimeoutMillisec);
Visual Basic Declaration:
Declare Function ADUCount Lib "AduHid64.DLL" (ByVal iTimeout As Integer) As Integer
Arguments:
Argument
Type
Value
Description
iTimeoutMillisec
unsigned long
0
Timeouts Disabled
other
Timeouts Processing Enabled
( milliseconds )
( milliseconds )
Return Codes:
Value
Description
integer
Number of ADU devices connected to the system.
This is not a 0-based count: for example, a return
value of 5 means there are 5 ADU devices
connected.
This is not a 0-based count: for example, a return
value of 5 means there are 5 ADU devices
connected.
Visual Basic Example:
Count the connected ADU devices with a 100ms timeout
iAduCount = ADUCount(100)
* Download both 32 and 64 bit DLL's and AduHidTest software HERE ( 700K )
Count the connected ADU devices with a 100ms timeout
iAduCount = ADUCount(100)
* Download both 32 and 64 bit DLL's and AduHidTest software HERE ( 700K )