public void DragOver(uint grfKeyState, IOlePoint pt, ref uint pdwEffect)
{
if (m_CurrentObject != null)
{
pdwEffect = DragDropUtil.DRAGDROP_LINK;
}
else if (m_DefaultDropTarget != null)
{
m_DefaultDropTarget.DragOver(grfKeyState, pt, pdwEffect);
if (pdwEffect != DragDropUtil.DRAGDROP_NONE)
{
pdwEffect = DragDropUtil.DRAGDROP_LINK;
}
}
}
public void DragEnter(IOleDataObject pDataObj, uint grfKeyState, IOlePoint pt, ref uint pdwEffect)
{
if ((OutlookDrop != null) && OutlookUtil.IsOutlookItem(pDataObj))
{
m_CurrentObject = pDataObj;
pdwEffect = DragDropUtil.DRAGDROP_LINK;
}
else if (m_DefaultDropTarget != null)
{
m_DefaultDropTarget.DragEnter(pDataObj, grfKeyState, pt, pdwEffect);
if (pdwEffect != DragDropUtil.DRAGDROP_NONE)
{
pdwEffect = DragDropUtil.DRAGDROP_LINK;
}
}
}
public void Drop(IOleDataObject pDataObj, uint grfKeyState, IOlePoint pt, ref uint pdwEffect)
{
if (m_CurrentObject == pDataObj)
{
try
{
var outlook = new Application();
var selection = outlook.ActiveExplorer().Selection;
if ((selection != null) && (selection.Count >= 1))
{
var title = "";
var id = "";
var item = selection[1];
if (item is MailItem)
{
title = (item as MailItem).Subject;
id = (item as MailItem).EntryID;
}
else if (item is ContactItem)
{
title = (item as ContactItem).Subject;
id = (item as ContactItem).EntryID;
}
else if (item is JournalItem)
{
title = (item as JournalItem).Subject;
id = (item as JournalItem).EntryID;
}
else if (item is TaskItem)
{
title = (item as TaskItem).Subject;
id = (item as TaskItem).EntryID;
}
else if (item is NoteItem)
{
title = (item as NoteItem).Subject;
id = (item as NoteItem).EntryID;
}
else if (item is AppointmentItem)
{
title = (item as AppointmentItem).Subject;
id = (item as AppointmentItem).EntryID;
}
if (!String.IsNullOrEmpty(title) && !String.IsNullOrEmpty(id))
{
var url = OutlookUtil.FormatItemAsUrl(id);
OutlookDrop(this, title, url);
pdwEffect = DragDropUtil.DRAGDROP_LINK;
}
}
}
catch (System.Exception /*e*/)
{
pdwEffect = DragDropUtil.DRAGDROP_NONE;
}
}
else if (m_DefaultDropTarget != null)
{
m_DefaultDropTarget.Drop(pDataObj, grfKeyState, pt, pdwEffect);
if (pdwEffect != DragDropUtil.DRAGDROP_NONE)
{
pdwEffect = DragDropUtil.DRAGDROP_LINK;
}
}
m_CurrentObject = null;
}
