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PosCxGetDeviceInterfaceTag returns the device interface tag that is set in PosCxOpen.
Syntax
ULONG PosCxGetDeviceInterfaceTag(
[in] WDFFILEOBJECT fileObject
);
Parameters
[in] fileObject
A handle to a framework file object that identifies the caller, usually acquired with WdfRequestGetFileObject.
Return value
The device interface tag value.
Requirements
| Requirement | Value |
|---|---|
| Target Platform | Windows |
| Header | poscx.h (include Poscx.h) |