public extern static Int32 GetRawInputData([In] Int32 hRawInput, [In] Int32 uiCommand, [In, Out] ref RAWINPUT rawInput, [In, Out] ref Int32 pcbSize, [In] Int32 cbSizeHeader);
/// <summary>
/// Updates the status of the mouse given a raw mouse handle.
/// </summary>
/// <param name="dHandle"></param>
public void UpdateRawMouse(IntPtr dHandle)
{
Int32 hRawInput = dHandle.ToInt32();
Int32 pcbSize = 0;
//get the size of the raw input struct
Int32 retval = GetRawInputData(hRawInput, RawInput.RID_INPUT, IntPtr.Zero, ref pcbSize, Marshal.SizeOf(typeof(RAWINPUTHEADER)));
//get the RAWINPUT structure.
RAWINPUT ri = new RAWINPUT();
retval = GetRawInputData(hRawInput, RawInput.RID_INPUT, ref ri, ref pcbSize, Marshal.SizeOf(typeof(RAWINPUTHEADER)));
foreach (RawMouse mouse in Mice)
{
if (mouse.Handle.ToInt32() == (Int32)ri.header.hDevice)
{
//Console.WriteLine("usflags: " + ri.mouse.usFlags + " button data: " + ri.mouse.usButtonData);
//relative mouse
mouse.X += ri.mouse.lLastX;
mouse.Y += ri.mouse.lLastY;
//mouse buttons
if ((ri.mouse.usButtonFlags & RI_MOUSE_BUTTON_1_DOWN) > 0)
{
mouse.Buttons[0] = true;
}
if ((ri.mouse.usButtonFlags & RI_MOUSE_BUTTON_1_UP) > 0)
{
mouse.Buttons[0] = false;
}
if ((ri.mouse.usButtonFlags & RI_MOUSE_BUTTON_2_DOWN) > 0)
{
mouse.Buttons[1] = true;
}
if ((ri.mouse.usButtonFlags & RI_MOUSE_BUTTON_2_UP) > 0)
{
mouse.Buttons[1] = false;
}
if ((ri.mouse.usButtonFlags & RI_MOUSE_BUTTON_3_DOWN) > 0)
{
mouse.Buttons[2] = true;
}
if ((ri.mouse.usButtonFlags & RI_MOUSE_BUTTON_3_UP) > 0)
{
mouse.Buttons[2] = false;
}
//mouse wheel
if ((ri.mouse.usButtonFlags & RI_MOUSE_WHEEL) > 0)
{
if ((short)ri.mouse.usButtonData > 0)
{
mouse.Z++;
}
if ((short)ri.mouse.usButtonData < 0)
{
mouse.Z--;
}
}
}
}
}
/// <summary>
/// Updates the status of the mouse given a raw mouse handle
/// </summary>
/// <param name="dHandle"></param>
public void UpdateRawMouse(IntPtr dHandle)
{
//Int32 hRawInput = dHandle.ToInt32();
Int32 pcbSize = 0;
// Call GetRawInputData with IntPtr.Zero to populate pcbSize with the size of the buffer required for the raw input
Int32 retval = GetRawInputData(dHandle, RawInput.RID_INPUT, IntPtr.Zero, ref pcbSize, Marshal.SizeOf(typeof(RAWINPUTHEADER)));
// Now call GetRawInputData again, but pass the ri RAWINPUT structure to be populated with data from the device
RAWINPUT ri = new RAWINPUT();
retval = GetRawInputData(dHandle, RawInput.RID_INPUT, ref ri, ref pcbSize, Marshal.SizeOf(typeof(RAWINPUTHEADER)));
// Loop through the arrayList of Mice and update the appropriate mouse with the new data received
foreach (RawMouse mouse in Mice)
{
if (mouse.Handle == ri.header.hDevice)
{
//Console.WriteLine("usflags: " + ri.data.mouse.usFlags + " button data: " + ri.data.mouse.usButtonData);
// Relative mouse movement
mouse.X += ri.data.mouse.lLastX;
mouse.Y += ri.data.mouse.lLastY;
// Mouse buttons
if ((ri.data.mouse.usButtonFlags & RI_MOUSE_BUTTON_1_DOWN) > 0)
{
mouse.Buttons[0] = true;
}
if ((ri.data.mouse.usButtonFlags & RI_MOUSE_BUTTON_1_UP) > 0)
{
mouse.Buttons[0] = false;
}
if ((ri.data.mouse.usButtonFlags & RI_MOUSE_BUTTON_2_DOWN) > 0)
{
mouse.Buttons[1] = true;
}
if ((ri.data.mouse.usButtonFlags & RI_MOUSE_BUTTON_2_UP) > 0)
{
mouse.Buttons[1] = false;
}
if ((ri.data.mouse.usButtonFlags & RI_MOUSE_BUTTON_3_DOWN) > 0)
{
mouse.Buttons[2] = true;
}
if ((ri.data.mouse.usButtonFlags & RI_MOUSE_BUTTON_3_UP) > 0)
{
mouse.Buttons[2] = false;
}
// Scroll wheel
if ((ri.data.mouse.usButtonFlags & RI_MOUSE_WHEEL) > 0)
{
if ((short)ri.data.mouse.usButtonData > 0)
{
mouse.Z++;
}
if ((short)ri.data.mouse.usButtonData < 0)
{
mouse.Z--;
}
}
}
}
}
