Multi Selection Listbox

Hello guys,
I am struck at some point, I searched and found many articles here but none helped me,
My problem is I am making a listbox with multiple selection but unable to apply for loop
I know its silly but I am really struck here, its unable to find the listbox itself don't know why??
Please guys help me.
I have attached my excel with it, please have a look on its code.
Thanks

if it's an activeX-listbox, and the listbox contains a one-dimensional array:

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wow thanks a lot guys, Though i have solved it myself but still thanks a lot to Snb and Bob. +rep for you guys
Can you tell me how to add unique values in the above active x listbox.
This is my code :

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If the original question has been solved, then mark it solved. Then sk the new question in a new thread, with a link to this one if necessary

@Snb
This code is giving some error, its saying Syntax error
This is the code :

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