IWDTFSimpleIOEx2::Open method (wdtfinterfaces.h)
Opens the device.
Syntax
HRESULT Open(
[out, retval] VARIANT_BOOL *pResult
);
Parameters
[out, retval] pResult
True if the operation succeeds; otherwise, false.
Return value
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
You should call the Open method before calling the IWDTFSimpleIOEx2::PerformIO method.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP Professional |
| Minimum supported server | Windows Server 2008 |
| Target Platform | Desktop |
| Header | wdtfinterfaces.h |