This is retired content. This content is outdated and is no
longer being maintained. It is provided as a courtesy for
individuals who are still using these technologies. This content
may contain URLs that were valid when originally published, but now
link to sites or pages that no longer exist.
Occurs when a user clicks the mouse with the cursor in the image
window.
Integer value specifying a bit field with bits corresponding to
the left button (bit 0), right button (bit 1), and middle button
(bit 2). These bits correspond to the values 1, 2, and 4,
respectively. Only one of the bits is set, indicating the button
that caused the event.
iShiftState
Integer value specifying a bit field with the least significant
bits corresponding to the SHIFT key (bit 0), the CTRL key (bit 1),
and the ALT key (bit 2). These bits correspond to the values 1, 2,
and 4, respectively. The shift argument indicates the state of
these keys. Some, all, or none of the bits can be set, indicating
that some, all, or none of the keys are pressed.
fX
Single value specifying the x-coordinate of the mouse pointer
relative to the upper left-hand corner of the image window.
fY
Single value specifying the y-coordinate of the mouse pointer
relative to the upper left-hand corner of the image window.