in Delphi TIPS :: 
When working with files and folders in your Delphi applications you might need to provide a user with an option to map a shared network path to a drive letter.
When working with files and folders in your Delphi applications you might need to provide a user with an option to map a shared network path to a drive letter.
If you want to programmatically call the Map Network Drive Dialog in your Delphi application, you can do it by calling the WNetConnectionDialog1 Windows API function.
Read the full article to learn how to Convert a UNC Path to a Drive Letter - Display Map Network Drive Programmatically
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