private ExtendedTabPageDesigner GetSelectedTabPageDesigner()
{
ExtendedTabPageDesigner designer = null;
ExtendedTabPage selectedTab = ((ExtendedTabControl)base.Component).SelectedTab;
if (selectedTab != null)
{
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (service != null)
{
designer = service.GetDesigner(selectedTab) as ExtendedTabPageDesigner;
}
}
return(designer);
}
protected override void OnGiveFeedback(GiveFeedbackEventArgs e)
{
if (this.forwardOnDrag)
{
ExtendedTabPageDesigner selectedTabPageDesigner = this.GetSelectedTabPageDesigner();
if (selectedTabPageDesigner != null)
{
selectedTabPageDesigner.OnGiveFeedbackInternal(e);
}
}
else
{
base.OnGiveFeedback(e);
}
}
protected override void OnDragLeave(EventArgs e)
{
if (this.forwardOnDrag)
{
ExtendedTabPageDesigner selectedTabPageDesigner = this.GetSelectedTabPageDesigner();
if (selectedTabPageDesigner != null)
{
selectedTabPageDesigner.OnDragLeaveInternal(e);
}
}
else
{
base.OnDragLeave(e);
}
this.forwardOnDrag = false;
}
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
ExtendedTabControl control = (ExtendedTabControl)this.Control;
if (control.SelectedTab == null)
{
throw new ArgumentException("Only ExtendedTabPages can be placed in ExtendedTabControls.");
}
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (service != null)
{
ExtendedTabPageDesigner toInvoke = (ExtendedTabPageDesigner)service.GetDesigner(control.SelectedTab);
ParentControlDesigner.InvokeCreateTool(toInvoke, tool);
}
return(null);
}
protected override void OnDragEnter(DragEventArgs de)
{
this.forwardOnDrag = false;
Type BehaviorDataObjectType = Type.GetType("System.Windows.Forms.Design.Behavior.DropSourceBehavior+BehaviorDataObject");
object data = null;
if (BehaviorDataObjectType.IsInstanceOfType(de.Data))
{
data = de.Data;
}
if (data != null)
{
int primaryControlIndex = -1;
object[] arguments = { -1 };
ArrayList sortedDragControls = null;
sortedDragControls = (ArrayList)BehaviorDataObjectType.InvokeMember("GetSortedDragControls", BindingFlags.InvokeMethod | BindingFlags.NonPublic | BindingFlags.Instance, null, data, arguments);
primaryControlIndex = (int)arguments[0];
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)
{
ExtendedTabPageDesigner selectedTabPageDesigner = this.GetSelectedTabPageDesigner();
if (selectedTabPageDesigner != null)
{
selectedTabPageDesigner.OnDragEnterInternal(de);
}
}
else
{
base.OnDragEnter(de);
}
}
protected override void OnDragOver(DragEventArgs de)
{
if (this.forwardOnDrag)
{
ExtendedTabControl control = (ExtendedTabControl)this.Control;
Point pt = this.Control.PointToClient(new Point(de.X, de.Y));
if (!control.DisplayRectangle.Contains(pt))
{
de.Effect = DragDropEffects.None;
}
else
{
ExtendedTabPageDesigner selectedTabPageDesigner = this.GetSelectedTabPageDesigner();
if (selectedTabPageDesigner != null)
{
selectedTabPageDesigner.OnDragOverInternal(de);
}
}
}
else
{
base.OnDragOver(de);
}
}
