Happens when the user releases the left mouse button (after holding it down) while the mouse pointer is over some part of the window other than the inner area (ie, on the title bar, a border, menu, etc).


Args

ARG(1) indicates which part of the window the mouse is over. It the same value as what you return from your NCHITTEST event handler.

ARG(2) is the X position where the mouse pointer is currently located (referenced from the upper left corner of the desktop screen), and ARG(3) is the Y position.


Notes

If the mouse is captured by some window, then the event happens only with the window capturing the mouse.

See also NCLBUTTONDOWN, LBUTTONUP, NCHITTEST.