DragItem.RawDataAvailable
From Xojo Documentation
Read-Only Property (As Boolean )
BooleanValue = aDragItem.RawDataAvailable(DataType as String)
Supported for all project types and targets.
Supported for all project types and targets.
If True, the DragItem contains data of the type or UTI specified.
Notes
The DataType parameter supports both the older MacType and newer UTIs. If the DataType parameter is exactly 4 bytes then it is treated as a MacType for backwards compatibility. Otherwise it is treated as a UTI.
Sample Code
Checks if text data is in a a drag item: