Requested data was not supplied to the DataObject during the OLESetData event (Error 676)

The requested data was not supplied to the DataObject during the OLESetData event. This error has the following causes:

• The programmer specified a data format but did not specify the data itself during the OLEStartDrag event and didn't handle the OLESetData event.
  
  
• The programmer specified a data format but did not specify the data itself during the OLEStartDrag event and didn't provide the actual data during the OLESetData event (or else provided the data for the wrong format).