case sensitive
4.Case-sensitive ComboBox - When searching for strings in Combo boxes, the search is always case-insensitive.
9.The following table shows characters you can use to create user-defined date/time formats. Unlike in earlier versions of Visual Basic, these format characters are case-sensitive.
10.If a workgroup information file becomes damaged or has been deleted, you can re-create the workgroup information file if you have the exact case-sensitive information that you used to create the file in the file originally.

