The Mouse type exposes the following members.
Click any mouse button (at the coordinates set by the last moveto command).
Click and hold the left mouse button (at the coordinates set by the last moveto command).
Double-clicks at the current mouse coordinates (set by moveto).
Move the mouse to the specificed element.
Move the mouse by an offset of the specificed element.
Releases the mouse button previously held (where the mouse is currently at).