PLUGINFLAG_COMMAND_HOTKEY	Command is a hotkey command. Hotkey commands can only work globally.
PLUGINFLAG_COMMAND_OPTION_DIALOG	Command has additional options. The user can access them through a small gadget.
PLUGINFLAG_COMMAND_STICKY	Command is a “sticky” command. This means CommandData.Execute() is called when the user presses an assigned hotkey and when the hotkey is released. Otherwise the command would be called continously.
PLUGINFLAG_COMMAND_ICONGADGET	Command can be dragged into an iconbar and delivers its own dialogs instead of icons.