/// <summary> /// Handles DataChanged events from a COM IDataObject. /// </summary> /// <param name="format">The data format that had a change.</param> /// <param name="stgmedium">The data value.</param> public void OnDataChange(ref FORMATETC format, ref STGMEDIUM stgmedium) { // We listen to DropDescription changes, so that we can unset the IsDefault // drop description flag. var odd = DropDescriptionHelper.GetDropDescription(m_data); if (odd != null) { DropDescriptionHelper.SetDropDescriptionIsDefault(m_data, false); } }
/// <summary> /// Tell the system that you are using a default description that can be cleared automatically</summary> /// <param name="e">The DragEventArgs from the OnDragEnter/OnDragOver event</param> /// <param name="value">A boolean indicating whether the message is set as default or not</param> public static void SetDescriptionIsDefault(this DragEventArgs e, bool value) { DropDescriptionHelper.SetDropDescriptionIsDefault((IComDataObject)e.Data, value); }