public MouseActivityArgs(MouseDevice device, MouseActivityType activityType, MouseButtonActivity buttonActivity,
MouseCoordinateSpace space, MouseMovementType mmType,
IntPtr windowHandle,
int x, int y, short delta, int clicks, int keyflags)
{
Device = device;
ActivityType = activityType;
ButtonActivity = buttonActivity;
CoordinateSpace = space;
MovementType = mmType;
WindowHandle = windowHandle;
Clicks = clicks;
X = x;
Y = y;
Delta = delta;
KeyFlags = keyflags;
}
// Create a reasonable MouseActivityArgs object that
// can be dealt with by the rest of the system.
// Here we turn the raw data into things like button activity
// as well as mapping the generic information into something
// applications can deal with.
public static MouseActivityArgs CreateFromRawInput(MouseDevice device, RAWMOUSE rawMouse)
{
int clicks = 0;
short delta = 0;
int x = rawMouse.lLastX;
int y = rawMouse.lLastY;
IntPtr windowHandle = IntPtr.Zero;
int keyMasks = 0;
MouseButtonActivity mbActivity = (MouseButtonActivity)rawMouse.Union1.Struct1.usButtonFlags;
MouseActivityType maType = ConvertButtonActivityToMouseActivity(mbActivity);
MouseMovementType mmType = MouseMovementType.Relative;
if (MouseActivityType.MouseDown == maType)
clicks = 1;
// Figure out what type of movement is being reported
if (User32.MOUSE_MOVE_RELATIVE == (rawMouse.usFlags & User32.MOUSE_MOVE_RELATIVE))
mmType = MouseMovementType.Relative;
if (User32.MOUSE_MOVE_ABSOLUTE == (rawMouse.usFlags & User32.MOUSE_MOVE_ABSOLUTE))
mmType = MouseMovementType.Absolute;
// If there's mouse wheel activity, get the number of detents that are being reported
if (MouseButtonActivity.MouseWheel == mbActivity)
{
delta = (short)rawMouse.Union1.Struct1.usButtonData;
}
// Create a keymask to represent the state of the existing pressed keys
keyMasks = CreateKeyFlagsFromButtonStates((int)rawMouse.ulRawButtons);
MouseActivityArgs args = new MouseActivityArgs(device, maType, mbActivity,
MouseCoordinateSpace.Desktop, mmType, windowHandle, x, y, delta, clicks, keyMasks);
return args;
}
