WDF_WRITE_PORT_BUFFER_UCHAR function (wdfhwaccess.h)
[Applies to UMDF only]
The WDF_WRITE_PORT_BUFFER_UCHAR function writes a number of bytes from a buffer to the specified port.
void WDF_WRITE_PORT_BUFFER_UCHAR( [in] WDFDEVICE Device, [in] PUCHAR Port, [in] PUCHAR Buffer, [in] ULONG Count );
A handle to a framework device object.
A pointer to the port, which must be a mapped memory range in I/O space.
A pointer to a buffer from which an array of UCHAR values is to be written.
Specifies the number of bytes to be written to the buffer.
The size of the buffer must be large enough to contain at least the specified number of bytes.
|Minimum supported client||Windows 8.1|
|Minimum UMDF version||2.0|
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