GetDragReference

Inside Macintosh: OpenDoc Class Reference /: Part 1 - Classes and Methods / ODDragAndDrop

GetDragReference
Mac OS
The GetDragReference method returns the Mac OS Drag Manager drag reference number associated with the current drag operation.
ODPlatformDragReference GetDragReference ();
return value
A 32-bit value identifying the current drag operation, or kODNULL if no drag operation is in progress.

DISCUSSION
You should call this method to obtain the reference number to use in direct calls to the Drag Manager, for example, to perform drag highlighting.

EXCEPTIONS

kODErrNoDragManager
No platform-specific drag system service is available.