XFileChange unitXJustOneNotify unitXJustOne unit

    This unit contains function: JustOne, which allows to easy prevent running of two instances of the applet.

function JustOne( const Identifier : String ) : Boolean;

   Call this function AFTER the creting of Applet to test if this instance of the applet is first. It is possible to call it before creating of forms but when JustOne is running, applet button window is created (You may set Applet.Visible to False to prevent its showing). It is sufficient not to run applet further if False is returned to prevent starting of other instances of the applet.
   Define string parameter what You assume to be unique, e.g. 'My program, what doing something and written at ...'. It is using to create global system mutexes and must be unique.


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