| private QueryGetData ( Microsoft dataObject, FORMATETC &fmtetc ) : int | ||
| dataObject | Microsoft | |
| fmtetc | FORMATETC | |
| Результат | int | |
/// <summary>
/// Get the dropdatatype from the dataobject
/// </summary>
/// <param name="pDataObject">The dataobject to be analysed for its format</param>
/// <returns>dropdatatype or none if dataobject does not contain known format</returns>
internal static DropDataType QueryDropDataType(IOleDataObject pDataObject)
{
if (pDataObject == null)
{
return(DropDataType.None);
}
// known formats include File Drops (as from WindowsExplorer),
// VSProject Reference Items and VSProject Storage Items.
FORMATETC fmt = DragDropHelper.CreateFormatEtc(NativeMethods.CF_HDROP);
if (DragDropHelper.QueryGetData(pDataObject, ref fmt) == VSConstants.S_OK)
{
return(DropDataType.Shell);
}
fmt.cfFormat = DragDropHelper.CF_VSREFPROJECTITEMS;
if (DragDropHelper.QueryGetData(pDataObject, ref fmt) == VSConstants.S_OK)
{
// Data is from a Ref-based project.
return(DropDataType.VsRef);
}
fmt.cfFormat = DragDropHelper.CF_VSSTGPROJECTITEMS;
if (DragDropHelper.QueryGetData(pDataObject, ref fmt) == VSConstants.S_OK)
{
return(DropDataType.VsStg);
}
return(DropDataType.None);
}
