// For Output reports the host sends to the device.
// Uses interrupt or control transfers depending on the device and OS.
protected override bool ProtectedWrite(IntPtr hidHandle, byte[] outputReportBuffer)
{
// Purpose : writes an Output report to the device.
// Accepts : HIDHandle - a handle to the device.
// OutputReportBuffer - contains the report ID and report to send.
// Returns : True on success. False on failure.
int NumberOfBytesWritten = 0;
bool Success = false;
try
{
// The host will use an interrupt transfer if the the HID has an interrupt OUT
// endpoint (requires USB 1.1 or later) AND the OS is NOT Windows 98 Gold (original version).
// Otherwise the the host will use a control transfer.
// The application doesn't have to know or care which type of transfer is used.
// ***
// API function: WriteFile
// Purpose: writes an Output report to the device.
// Accepts:
// A handle returned by CreateFile
// The output report byte length returned by HidP_GetCaps.
// An integer to hold the number of bytes written.
// Returns: True on success, False on failure.
// ***
var overlapped = new NativeOverlapped();
Success = USBSharp.WriteFile(hidHandle, ref outputReportBuffer[0], outputReportBuffer.Length, ref NumberOfBytesWritten, ref overlapped);
if (Success == false)
{
int err = USBSharp.GetLastError();
}
}
catch (Exception ex)
{
}
return(Success);
}
