Three context menu questions

[FONT=Arial]Is there possibility not to show context menu on right click? Some action to be placed in onSelect handler ?[/FONT]
[FONT=Arial]I want to popup MC on right click and to hide context menu in same time…[/FONT]
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[FONT=Arial]Is there possibility to show submenu in context menu?[/FONT]
[FONT=Arial]For example, right click on desktop and then chose: NEW -[FONT=Wingdings][FONT=Wingdings]à[/FONT][/FONT] FOLDER[/FONT]
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[FONT=Arial]Can context menu options be check marked ?[/FONT]
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[FONT=Arial]Thanks in advance,[/FONT]