IWDTFSimpleIOEx2::PerformIO method (wdtfinterfaces.h)
Performs a small amount of simple I/O to the device.
Syntax
HRESULT PerformIO(
[out, retval] VARIANT_BOOL *pResult
);
Parameters
[out, retval] pResult
True if the operation succeeds; otherwise, false.
Return value
C++
If this method succeeds, it returns **S_OK**. Otherwise, it returns an **HRESULT** error code.C# and VB.NET
True if the operation succeeds; otherwise, false.Remarks
You should call the PerformIO method only after calling the IWDTFSimpleIOEx2::Open method.
Requirements
Requirement | Value |
---|---|
Minimum supported client | Windows XP Professional |
Minimum supported server | Windows Server 2008 |
Target Platform | Desktop |
Header | wdtfinterfaces.h |