Application programming and finding specific files

Hi there,
I'm doing some applications programming where the apps will actually be installed by something like InstallShield. The apps themselves need to be able to access many files and directories which all will be children of the directory of the application (e.g. MyApplication.dir will contain many files and directories, including the class files of the application itself).
But different OS's/users will place the directory in a different place so I cannot hard-code something like:
new Image("C:\\MyApplication\\Images\\logo.gif");
Does anyone know how to get the the location of the MyApplication directory at runtime, please?
Many Thanks.

set it relative to an environment variable
kinda...
apps_home\..\..\
tht mst work

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Application programming and finding specific files

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