//here we send data to the mouse
void Send_Data_To_MouseAbs()
{
SetFeatureMouseAbs MouseAbsData = new SetFeatureMouseAbs();
MouseAbsData.ReportID = 1;
MouseAbsData.CommandCode = 2;
byte btns = 0;
if (cbLeft.Checked)
{
btns = 1;
}
;
if (cbRight.Checked)
{
btns = (byte)(btns | (1 << 1));
}
if (cbLeft.Checked)
{
btns = (byte)(btns | (1 << 2));
}
MouseAbsData.Buttons = btns; //button states are represented by the 3 least significant bits
MouseAbsData.X = (UInt16)spnX.Value;
MouseAbsData.Y = (UInt16)spnY.Value;
//convert struct to buffer
byte[] buf = getBytesSFJ(MouseAbsData, Marshal.SizeOf(MouseAbsData));
//send filled buffer to driver
HID.SendData(buf, (uint)Marshal.SizeOf(MouseAbsData));
}
//for converting a struct to byte array
public byte[] getBytesSFJ(SetFeatureMouseAbs sfj, int size)
{
byte[] arr = new byte[size];
IntPtr ptr = Marshal.AllocHGlobal(size);
Marshal.StructureToPtr(sfj, ptr, false);
Marshal.Copy(ptr, arr, 0, size);
Marshal.FreeHGlobal(ptr);
return(arr);
}
