Returns whether a file exists.
The method of specifying the directory to search. Available options are
When specifying the PathType property via expressions, the following enumerated values are used:
The PathValue depends upon the options selected for the PathType property
Direct - A string literal representation of the folder (e.g. C:\DataDir)
Variable - The name of the variable which holds the location of the directory to search. (e.g. User::ProcessDir)
Connection - The name of the connection manager which will specify the location of the directory.
A boolean indicating whether the specified file exists.
True - The file exists.
False - The file cannot be found.