excel - VBA msoFileDialogOpen sometimes loops twice -


i have function allows user select file using vba's msofiledialogopen. however, loops twice. other times try replicate bug , can't. here confused code:

public sub function4_fileexplorer() on error goto exitsub '   start file explorer select file containing data (simple gui, easier coding vfilename) '   aware loops (recursively?) twice, stops; problem becomes unreproducible. application.filedialog(msofiledialogopen)     .allowmultiselect = false ' don't let user select multiple files (this prevents problems filling worksheet cells incorrectly)     if .show ' if file selected (no need use / while loop; increase cpu usage)         path = .selecteditems(1)     end if end msgbox path ' tell user file selected; user can quit macro if wrong file selected cells(7, 2) = path ' put filename on active sheet (which should "parameters")  exitsub: exit sub  end sub


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