Document Tyoe Name : myApplication
CFBundleTypeExtensions : prp
Document OS Type : ****
Role : Editor
Handler rank : Owner
Then run it and saved the project.
Then I double click the saved project, but it opens in TextEdit.
Is there any other keys I need to set?
You need to set a unique document type; **** won’t cut it. You need to
make sure the type code does not consist only of lowercase letters, as
these OSTypes are reserved for use by Apple.
