Location:
apmstd.h
const TInt16 KDataTypePriorityHigh;
A priority value associated with a data (MIME) type. Associating an application with a data type at this priority means that this application, and no other, should ever handle the data type. Use sparingly.
const TInt16 KDataTypePriorityNormal;
A priority value associated with a data (MIME) type. Associating an application with a data type at this priority means that the data type is the primary type for that application. For example, "text/plain" files for a text editor.
const TInt16 KDataTypePriorityLow;
A priority value associated with a data (MIME) type. Associating an application with a data type at this priority means that the data type is a secondary type for that application. For example, "text/plain" files for a web browser.
const TInt16 KDataTypePriorityLastResort;
A priority value associated with a data (MIME) type. Associating an application with a data type at this priority means that the data type is a last resort for that application. Use sparingly.
const TInt16 KDataTypePriorityNotSupported;
Reserved for future use.