[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 );
- Device [in]
A handle to a framework device object.
- Port [in]
A pointer to the port, which must be a mapped memory range in I/O space.
- Buffer [in]
A pointer to a buffer from which an array of UCHAR values is to be written.
- Count [in]
Specifies the number of bytes to be written to the buffer.
This function does not return a value.
The size of the buffer must be large enough to contain at least the specified number of bytes.
Minimum UMDF version