WDF_READ_PORT_ULONG - NtDoc
Native API online documentation, based on the System Informer
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headers
// wdfhwaccess.h
ULONG WDF_READ_PORT_ULONG(
[in] WDFDEVICE Device,
[in] PULONG Port
);
View the official Windows Driver Kit DDI referenceNo description available.
[Applies to UMDF only]
The WDF_READ_PORT_ULONG function reads a ULONG value from the specified port address.
Device [in]A handle to a framework device object.
Port [in]Specifies the port address, which must be a mapped memory range in I/O space.
WDF_READ_PORT_ULONG returns the ULONG value that is read from the specified port address.