DAQmxGetNthTaskDevice
int32 DAQmxGetNthTaskDevice (TaskHandle
taskHandle, uInt32 index, char buffer[], int32 bufferSize);
Purpose
Returns the Nth device. This function
takes the taskHandle, index, and
bufferSize you specify and returns the
Nth device.
Parameters
| Input
|
| Name |
Type |
Description |
| taskHandle
|
TaskHandle |
The task used in this function. |
| index
|
uInt32 |
The Nth device you want to return. The
index starts at 1. |
| bufferSize
|
int32 |
The size, in bytes, of buffer. If you pass 0,
this function returns the number of bytes needed to allocate. |
| Output
|
| buffer
|
char []
|
The Nth device in the index. If you pass NULL, this
function returns the number of bytes needed to allocate. |
Return Value
| Name |
Type |
Description |
| status
|
int32 |
The error code returned by the function in the
event of an error or warning. A value of 0 indicates success. A
negative value indicates an error.
For this function, if you pass NULL for the buffer or 0 for the
buffer size, this function returns the number of bytes needed to
allocate. |
|
