protected override void OnDragEnter(DragEventArgs de)
{
base.OnDragEnter(de);
this.insertIndex = InvalidIndex;
this.lastMouseLoc = Point.Empty;
this.primaryDragControl = null;
DropSourceBehavior.BehaviorDataObject data = de.Data as DropSourceBehavior.BehaviorDataObject;
if (data != null)
{
int primaryControlIndex = -1;
this.dragControls = data.GetSortedDragControls(ref primaryControlIndex);
this.primaryDragControl = this.dragControls[primaryControlIndex] as System.Windows.Forms.Control;
}
this.CreateMarginBoundsList();
}
///
///
/// Called in response to a drag enter for OLE drag and drop. This method is overriden
/// so that we can forward the OnDragEnter event to the currently selected TabPage.
///
protected override void OnDragEnter(DragEventArgs de)
{
// Check what we are dragging... If we are just dragging tab pages,
// then we do not want to forward the OnDragXXX
forwardOnDrag = false;
DropSourceBehavior.BehaviorDataObject data = de.Data as DropSourceBehavior.BehaviorDataObject;
if (data != null)
{
ArrayList dragControls;
int primaryIndex = -1;
dragControls = data.GetSortedDragControls(ref primaryIndex);
if (dragControls != null)
{
for (int i = 0; i < dragControls.Count; i++)
{
if (!(dragControls[i] is Control) || (dragControls[i] is Control && !(dragControls[i] is TabPage)))
{
forwardOnDrag = true;
break;
}
}
}
}
else
{
// We must be dragging something off the toolbox, so forward the drag to the right tabpage.
forwardOnDrag = true;
}
if (forwardOnDrag)
{
TabPageDesigner pageDesigner = GetSelectedTabPageDesigner();
if (pageDesigner != null)
{
pageDesigner.OnDragEnterInternal(de);
}
}
else
{
base.OnDragEnter(de);
}
}
protected override void OnDragEnter(DragEventArgs de)
{
this.forwardOnDrag = false;
DropSourceBehavior.BehaviorDataObject data = de.Data as DropSourceBehavior.BehaviorDataObject;
if (data != null)
{
int primaryControlIndex = -1;
ArrayList sortedDragControls = data.GetSortedDragControls(ref primaryControlIndex);
if (sortedDragControls != null)
{
for (int i = 0; i < sortedDragControls.Count; i++)
{
if (!(sortedDragControls[i] is Control) || ((sortedDragControls[i] is Control) && !(sortedDragControls[i] is TabPage)))
{
this.forwardOnDrag = true;
break;
}
}
}
}
else
{
this.forwardOnDrag = true;
}
if (this.forwardOnDrag)
{
TabPageDesigner selectedTabPageDesigner = this.GetSelectedTabPageDesigner();
if (selectedTabPageDesigner != null)
{
selectedTabPageDesigner.OnDragEnterInternal(de);
}
}
else
{
base.OnDragEnter(de);
}
}
