Creates a new Button object; can also be called as
PARENT->AddButton(%OPTIONS). Class specific %OPTIONS
are:
-align => left/center/right (default left) -valign => top/center/bottom -default => 0/1 (default 0) -ok => 0/1 (default 0) -cancel => 0/1 (default 0)
Sent when the control is selected (eg. the button pushed, the checkbox checked, etc.).
Sent when the user double clicks on the control.
Sent when the control is activated.
Sent when the control is deactivated.
Sent when the user down clicks on the control.
Sent when the user releases a down click on the control.