public override void OnDragDrop(Glyph g, DragEventArgs e)
{
System.Windows.Forms.Design.Behavior.ControlBodyGlyph cbg = g as System.Windows.Forms.Design.Behavior.ControlBodyGlyph;
IToolboxService tbsvc = designerHost.GetService(typeof(IToolboxService)) as IToolboxService;
ISelectionService selsvc = designerHost.GetService(typeof(ISelectionService)) as ISelectionService;
if (cbg != null && cbg.RelatedComponent != null && cbg.RelatedComponent is Control)
{
ToolboxItem item = e.Data.GetData(typeof(ToolboxItem)) as ToolboxItem;
IToolboxUser tbu = designerHost.GetDesigner(designerHost.RootComponent) as IToolboxUser;
(designerHost.RootComponent as Control).SuspendLayout();
tbu.ToolPicked(item);
if (selsvc.PrimarySelection != null && selsvc.PrimarySelection is Control)
{
Control createdControl = selsvc.PrimarySelection as Control;
PropertyDescriptor parentProperty = TypeDescriptor.GetProperties(createdControl)["Parent"];
//获取粘贴到的父容器
ParentControlDesigner parentDesigner = null;
parentDesigner = designerHost.GetDesigner(cbg.RelatedComponent) as ParentControlDesigner;
if (parentDesigner == null)
{
parentDesigner = designerHost.GetDesigner(designerHost.RootComponent) as DocumentDesigner;
}
if (parentDesigner != null && parentDesigner.CanParent(createdControl))
{
parentProperty.SetValue(createdControl, parentDesigner.Control);
Point p1 = bhsvc.AdornerWindowToScreen();
}
tbsvc.SelectedToolboxItemUsed();
Point adroP = bhsvc.AdornerWindowToScreen();
createdControl.Left = e.X - adroP.X - (cbg.RelatedComponent as Control).Left;
createdControl.Top = e.Y - adroP.Y - (cbg.RelatedComponent as Control).Top;
}
(designerHost.RootComponent as Control).ResumeLayout();
}
bhsvc.PopBehavior(this);
}
/// <summary>
/// OnDragDrop can be overridden so that a Behavior can specify its own
/// Drag/Drop rules.
/// </summary>
public override void OnDragDrop(Glyph g, DragEventArgs e)
{
behaviorService.PopBehavior(this);
try
{
//offset the mouse loc to screen coords for calculations on drops
Point screenOffset = behaviorService.AdornerWindowToScreen();
//build up our extra-special event args
ToolboxSnapDragDropEventArgs se = CreateToolboxSnapArgs(e, new Point(e.X - screenOffset.X, e.Y - screenOffset.Y));
base.OnDragDrop(g, se);
}
finally
{
//clear everything up
IsPushed = false;
}
}