new Win32::GUI::Checkbox(PARENT, %OPTIONS)
Creates a new Checkbox object; can also be called as PARENT->AddCheckbox(%OPTIONS). %OPTIONS are the same of Button (see new Win32::GUI::Button() ).
Gets or sets the check state of the Checkbox; if called without arguments, returns the current state:0 not checked 1 checked 2 indeterminate (grayed)
If a VALUE is specified, it can be one of these (eg. 0 to uncheck the Checkbox, 1 to check it).
Returns the check state of the Checkbox:0 not checked 1 checked 2 indeterminate (grayed)