| Description: | Merge two or more projects using a Merge Description File. | 
| Syntax: | "MergeProjects mergeDescriptionFile" where: 'mergeDescriptionFile' is the full path to a text file (can contain spaces) that contains the list of projects and their coordinate transform types. This ASCII text file has the .pmm extension that can be viewed in a text editor. | 
| Return: | "1" if the projects merged successfully, orĀ "0" if it fails. | 
| Example: | “MergeProjects c:\temp\mdf.pmn" return "1" |