COleDataObject::IsDataAvailable
Call this function to determine if a particular format is available for retrieving data from the OLE item.
BOOL IsDataAvailable(
CLIPFORMAT cfFormat,
LPFORMATETC lpFormatEtc = NULL
);
Parameters
cfFormat
The Clipboard data format to be used in the structure pointed to by lpFormatEtc. This parameter can be one of the predefined Clipboard formats or the value returned by the native Windows RegisterClipboardFormat function.lpFormatEtc
Points to a FORMATETC structure describing the format desired. Provide a value for this parameter only if you want to specify additional format information beyond the Clipboard format specified by cfFormat. If it is NULL, the default values are used for the other fields in the FORMATETC structure.
Return Value
Nonzero if data is available in the specified format; otherwise 0.
Remarks
This function is useful before calling GetData, GetFileData, or GetGlobalData.
For more information, see IDataObject::QueryGetData and FORMATETC in the Windows SDK.
For more information, see RegisterClipboardFormat in the Windows SDK.
Example
See the example for CRichEditView::QueryAcceptData.
Requirements
Header: afxole.h
See Also
Reference
COleDataObject::BeginEnumFormats