private bool ProcessRawInput(IntPtr hdevice)
{
if (_deviceList.Count == 0)
{
return(false);
}
var size = 0;
Win32Methods.GetRawInputData(hdevice, DataCommand.RID_INPUT, IntPtr.Zero, ref size,
Marshal.SizeOf(typeof(RawInputHeader)));
InputData rawBuffer;
if (
Win32Methods.GetRawInputData(hdevice, DataCommand.RID_INPUT, out rawBuffer, ref size,
Marshal.SizeOf(typeof(RawInputHeader))) != size)
{
Debug.WriteLine("Error getting the rawinput buffer");
return(false);
}
int vKey = rawBuffer.data.keyboard.VKey;
int makecode = rawBuffer.data.keyboard.Makecode;
int flags = rawBuffer.data.keyboard.Flags;
if (vKey == Win32Consts.KEYBOARD_OVERRUN_MAKE_CODE)
{
return(false);
}
RawKeyboardDevice device;
lock (_lock)
{
if (!_deviceList.TryGetValue(rawBuffer.header.hDevice, out device))
{
Debug.WriteLine("Handle: {0} was not in the device list.", rawBuffer.header.hDevice);
return(false);
}
}
var isE0BitSet = (flags & Win32Consts.RI_KEY_E0) != 0;
var isBreakBitSet = (flags & Win32Consts.RI_KEY_BREAK) != 0;
var message = rawBuffer.data.keyboard.Message;
var key = KeyInterop.KeyFromVirtualKey(AdjustVirtualKey(rawBuffer, vKey, isE0BitSet, makecode));
var keyPressed = KeyPressed;
if (keyPressed != null)
{
var rawInputEventArgs = new RawInputEventArgs(device, isBreakBitSet ? KeyPressState.Up : KeyPressState.Down,
message, key, vKey);
keyPressed(this, rawInputEventArgs);
if (rawInputEventArgs.Handled)
{
MSG msg;
Win32Methods.PeekMessage(out msg, IntPtr.Zero, Win32Consts.WM_KEYDOWN, Win32Consts.WM_KEYUP, Win32Consts.PM_REMOVE);
}
return(rawInputEventArgs.Handled);
}
return(false);
}
private bool ProcessRawInput(IntPtr hdevice)
{
if (_deviceList.Count == 0)
{
return false;
}
int size = 0;
Win32Methods.GetRawInputData(hdevice, DataCommand.RID_INPUT, IntPtr.Zero, ref size, Marshal.SizeOf(typeof(RawInputHeader)));
InputData rawBuffer;
if (Win32Methods.GetRawInputData(hdevice, DataCommand.RID_INPUT, out rawBuffer, ref size, Marshal.SizeOf(typeof(RawInputHeader))) != size)
{
Debug.WriteLine("Error getting the rawinput buffer");
return false;
}
int vKey = rawBuffer.data.keyboard.VKey;
int makecode = rawBuffer.data.keyboard.Makecode;
int flags = rawBuffer.data.keyboard.Flags;
if (vKey == Win32Consts.KEYBOARD_OVERRUN_MAKE_CODE)
{
return false;
}
RawKeyboardDevice device;
if (!_deviceList.TryGetValue(rawBuffer.header.hDevice, out device))
{
Debug.WriteLine("Handle: {0} was not in the device list.", rawBuffer.header.hDevice);
return false;
}
var isE0BitSet = ((flags & Win32Consts.RI_KEY_E0) != 0);
bool isBreakBitSet = (flags & Win32Consts.RI_KEY_BREAK) != 0;
uint message = rawBuffer.data.keyboard.Message;
Key key = KeyInterop.KeyFromVirtualKey(AdjustVirtualKey(rawBuffer, vKey, isE0BitSet, makecode));
EventHandler<RawInputEventArgs> keyPressed = KeyPressed;
if (keyPressed != null)
{
var rawInputEventArgs = new RawInputEventArgs(device, isBreakBitSet ? KeyPressState.Up : KeyPressState.Down,
message, key, vKey);
keyPressed(this, rawInputEventArgs);
if (rawInputEventArgs.Handled)
{
MSG msg;
Win32Methods.PeekMessage(out msg, IntPtr.Zero, Win32Consts.WM_KEYDOWN, Win32Consts.WM_KEYUP, Win32Consts.PM_REMOVE);
}
return rawInputEventArgs.Handled;
}
return false;
}