/// <summary>
///
/// </summary>
/// <param name="hdevice"></param>
public void ProcessRawInput(IntPtr hdevice)
{
var size = 0;
// Determine Size to be allocated
//var dwSiz = 0;
//int ret2 = Win32.GetRawInputData(hdevice, DataCommand.RID_INPUT, IntPtr.Zero, ref dwSiz, Marshal.SizeOf(typeof(Rawinputheader)));
var ret = Win32.GetRawInputData(hdevice, DataCommand.RID_INPUT, IntPtr.Zero, ref size, Marshal.SizeOf(typeof(Rawinputheader)));
if (ret == -1)
{
Console.WriteLine("error");
return;
}
int sizeToAllocate = Math.Max(size, Marshal.SizeOf(typeof(RawInput_Marshalling)));
IntPtr pData = Marshal.AllocHGlobal(sizeToAllocate);
try
{
//Populate alocated memory
ret = Win32.GetRawInputData(hdevice, DataCommand.RID_INPUT, pData, ref sizeToAllocate, Marshal.SizeOf(typeof(Rawinputheader)));
if (ret == -1)
{
throw new System.ComponentModel.Win32Exception();
}
Rawinputheader header = (Rawinputheader)Marshal.PtrToStructure(pData, typeof(Rawinputheader));
//RAWINPUT starts with RAWINPUTHEADER, so we can do this
RawInputDeviceType type = (RawInputDeviceType)header.dwType;
switch (type)
{
case RawInputDeviceType.RIM_TYPEHID:
{
//As described on page of RAWHID, RAWHID needs special treatement
RawInput_Marshalling raw = (RawInput_Marshalling)Marshal.PtrToStructure(pData, typeof(RawInput_Marshalling));
//Get marshalling version, it contains information about block size and count
RawInput_NonMarshalling raw2 = default(RawInput_NonMarshalling);
//Do some copying
raw2.header = raw.header;
raw2.hid.dwCount = raw.hid.dwCount;
raw2.hid.dwSizHid = raw.hid.dwSizHid;
var numBytes = raw.hid.dwCount * raw.hid.dwSizHid;
byte[] data = new byte[numBytes];
// ERROR: Not supported in C#: ReDimStatement
//Allocate array
//Populate the array
IntPtr rawData = new IntPtr(
pData.ToInt64() + Marshal.SizeOf(typeof(Rawinputheader)) + Marshal.SizeOf(typeof(Rawhid_Marshalling)));
Marshal.Copy(rawData, data, 0, (int)numBytes);
// Extract X & Y
byte[] xBytes = new byte[4];
Buffer.BlockCopy(data, 6, xBytes, 0, 4);
byte[] yBytes = new byte[4];
Buffer.BlockCopy(data, 10, yBytes, 0, 4);
int x = BitConverter.ToInt32(xBytes, 0);
int y = BitConverter.ToInt32(yBytes, 0);
Console.WriteLine($"X: {x}\tY: {y}");
if (TouchActivated != null)
{
TouchActivated(this, new RawInputEventArg(x, y));
}
//return raw2;
break;
}
default:
{
//No additional processing is needed
var x = (RawInput_Marshalling)Marshal.PtrToStructure(pData, typeof(RawInput_Marshalling));
break;
}
}
}
finally
{
Marshal.FreeHGlobal(pData);
}
}
/// <summary>
///
/// </summary>
/// <param name="hdevice"></param>
public void ProcessRawInput(IntPtr hdevice)
{
var size = 0;
// Determine Size to be allocated
//var dwSiz = 0;
//int ret2 = Win32.GetRawInputData(hdevice, DataCommand.RID_INPUT, IntPtr.Zero, ref dwSiz, Marshal.SizeOf(typeof(Rawinputheader)));
var ret = Win32.GetRawInputData(hdevice, DataCommand.RID_INPUT, IntPtr.Zero, ref size, Marshal.SizeOf(typeof(Rawinputheader)));
if (ret == -1)
{
Console.WriteLine("error");
return;
}
int sizeToAllocate = Math.Max(size, Marshal.SizeOf(typeof(RawInput_Marshalling)));
IntPtr pData = Marshal.AllocHGlobal(sizeToAllocate);
try
{
//Populate alocated memory
ret = Win32.GetRawInputData(hdevice, DataCommand.RID_INPUT, pData, ref sizeToAllocate, Marshal.SizeOf(typeof(Rawinputheader)));
if (ret == -1)
{
throw new System.ComponentModel.Win32Exception();
}
Rawinputheader header = (Rawinputheader)Marshal.PtrToStructure(pData, typeof(Rawinputheader));
//RAWINPUT starts with RAWINPUTHEADER, so we can do this
RawInputDeviceType type = (RawInputDeviceType)header.dwType;
switch (type)
{
case RawInputDeviceType.RIM_TYPEHID:
{
//As described on page of RAWHID, RAWHID needs special treatement
RawInput_Marshalling raw = (RawInput_Marshalling)Marshal.PtrToStructure(pData, typeof(RawInput_Marshalling));
//Do some copying
//raw2.header = raw.header;
ReadDeviceInfo(raw.header.hDevice);
var numBytes = raw.header.dwSize - (Marshal.SizeOf(typeof(Rawinputheader)) + Marshal.SizeOf(typeof(Rawhid_Marshalling))); // * raw.hid.dwSizHid;
byte[] data = new byte[numBytes];
// ERROR: Not supported in C#: ReDimStatement
//Allocate array
//Populate the array
// new pointer - offset by header sizes
IntPtr rawData = new IntPtr(
pData.ToInt64() + Marshal.SizeOf(typeof(Rawinputheader)) + Marshal.SizeOf(typeof(Rawhid_Marshalling)));
Marshal.Copy(rawData, data, 0, (int)numBytes);
if (numBytes > 0)
{
for (int i = 0; i < numBytes; ++i)
{
Console.Write(String.Format("{0:X2}", data[i]));
}
Console.WriteLine();
TouchInfo ti = new TouchInfo(data);
//Console.WriteLine(ti.X() + " " + ti.Y());
if (TouchActivated != null)
{
TouchActivated(this, ti);
}
}
else
{
Console.WriteLine("no bytes...");
}
//return raw2;
break;
}
default:
{
//No additional processing is needed
var x = (RawInput_Marshalling)Marshal.PtrToStructure(pData, typeof(RawInput_Marshalling));
break;
}
}
}
finally
{
Marshal.FreeHGlobal(pData);
}
}