/// <summary>
/// Provides core functionality for all the <see cref="M:System.Windows.Forms.Design.ParentControlDesigner.CreateTool(System.Drawing.Design.ToolboxItem)" /> methods.
/// </summary>
/// <param name="tool">The <see cref="T:System.Drawing.Design.ToolboxItem" /> to create a component from.</param>
/// <param name="x">The horizontal position, in design-time view coordinates, of the location of the left edge of the tool, if a size is specified; the horizontal position of the center of the tool, if no size is specified.</param>
/// <param name="y">The vertical position, in design-time view coordinates, of the location of the top edge of the tool, if a size is specified; the vertical position of the center of the tool, if no size is specified.</param>
/// <param name="width">The width of the tool. This parameter is ignored if the <paramref name="hasSize" /> parameter is set to false.</param>
/// <param name="height">The height of the tool. This parameter is ignored if the <paramref name="hasSize" /> parameter is set to false.</param>
/// <param name="hasLocation">true if a location for the component is specified; false if the component is to be positioned in the center of the currently selected control.</param>
/// <param name="hasSize">true if a size for the component is specified; false if the default height and width values for the component are to be used.</param>
/// <returns>An array of components created from the tool.</returns>
/// <exception cref="System.ArgumentException"></exception>
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
TabList control;
IDesignerHost host;
control = this.TabListControl;
// prevent controls from being created directly on the TabList
if (control.SelectedPage == null)
{
throw new ArgumentException(string.Format("Cannot add control '{0}', no page is selected.", tool.DisplayName));
}
host = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (host != null)
{
ParentControlDesigner childDesigner;
childDesigner = (ParentControlDesigner)host.GetDesigner(control.SelectedPage);
// add controls onto the TabListPage control instead of the TabList
ParentControlDesigner.InvokeCreateTool(childDesigner, tool);
}
return(null);
}
// parent null denodes parenting to the root component
//
public Control CreateControl(Type controlType, Control parent)
{
if (_surface == null)
{
throw new Exception("Helper designer surface not initialized.");
}
if (parent == null)
{
parent = IDesignerHost.RootComponent as Control;
}
ParentControlDesigner parentDesigner = IDesignerHost.GetDesigner(parent) as ParentControlDesigner;
if (parentDesigner == null)
{
throw new Exception("parent is not handled by a ParentControlDesigner.");
}
ToolboxItem tbItem = new ToolboxItem(controlType);
tbItem.ComponentsCreated += new ToolboxComponentsCreatedEventHandler(OnToolboxComponentCreated);
tbItem.CreateComponents(this.IDesignerHost);
parent.Controls.Add(_parentedControl);
tbItem.ComponentsCreated -= new ToolboxComponentsCreatedEventHandler(OnToolboxComponentCreated);
return(_parentedControl);
}
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
ParentControlDesigner panelDesigner = this.designerHost.GetDesigner(((MyUserControl)Control).PanelContent) as ParentControlDesigner;
InvokeCreateTool(panelDesigner, tool);
return(null);
}
public void CreateToolTest()
{
// essentially a DesignerTestHelper.CreateControl test, because of the code I use there
ParentControlDesigner rootPanel = (ParentControlDesigner)_helper.IDesignerHost.GetDesigner(_helper.CreateControl(typeof(TestPanel), null));
ParentControlDesigner childPanel = (ParentControlDesigner)_helper.IDesignerHost.GetDesigner(_helper.CreateControl(typeof(TestPanel), rootPanel.Control));
Assert.IsNotNull(rootPanel, "#1");
Assert.IsNotNull(childPanel, "#2");
}
/// <summary>
/// ctor
/// </summary>
/// <param name="p"></param>
public CanParentProvider(ParentControlDesigner p)
{
this.parentControlDesigner = p;
container = p.Component as ICanParent;
if (container == null && p.Control != null)
{
container = p.Control.Parent as ICanParent;
}
}
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
if(this.Selected==null)
{
this.Selected=this.collapsibleContainerPanel;
}
CollapsibleContainerPanelDesigner toInvoke=(CollapsibleContainerPanelDesigner)this.designerHost.GetDesigner(this.Selected);
ParentControlDesigner.InvokeCreateTool(toInvoke, tool);
return null;
}
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
WizardPageDesigner pageDes = GetSelectedWizardPageDesigner();
if (pageDes != null)
{
ParentControlDesigner.InvokeCreateTool(pageDes, tool);
}
return(null);
}
internal DesignerHost(BrowserTree objTree, Panel imagePanel)
{
_imagePanel = imagePanel;
if (_host == null)
{
_host = this;
_serviceContainer = new ServiceContainer();
_serviceContainer.AddService(typeof(IDesignerHost), _host);
_serviceContainer.AddService(typeof(IUIService), _host);
_serviceContainer.AddService(typeof(ISelectionService), _host);
_serviceContainer.AddService(typeof(IToolboxService), new ToolboxService());
}
_container = new DesignerContainer(this);
_defaultSite = new DesignerSite(this, null, _container, "Default site");
_designSurfaceSite = (DesignerSite)_container.CreateSite(_imagePanel, "Design Surface");
// Hook the design surface to the ParentControlDesigner
_parentControlDesigner = new DummyDesigner();
_imagePanel.Site = _designSurfaceSite;
_designSurfaceSite.Designer = _parentControlDesigner;
_parentControlDesigner.Initialize(_imagePanel);
// Used to make sure we don't give a designer for anything higher
// than the design surface (GetDesigner is called on the
// surface's parent)
_designSurfaceParent = ((Control)_imagePanel).Parent;
// Get the type for the UI selection service, since its private
// the compiler will not let us see it
_typeISelectionUIService = ReflectionHelper.GetType("System.Windows.Forms.Design.ISelectionUIService");
// This is required to get an instance of the selection
// UI service installed, we don't actually use this
// designer for anything
_fakePanel = new Panel();
IDesigner compDes = new ComponentDocumentDesigner();
_fakePanel.Site = _container.CreateSite(_fakePanel, "Fake Design Surface");
compDes.Initialize(_fakePanel);
// Make the size of the selection service cover the design
// surface panel so that it will see all of the events
_selUIService = (Control)GetService(_typeISelectionUIService);
ObjectBrowser.ImagePanel.ResetSize(_selUIService);
_imagePanel.Controls.Add(_selUIService);
_imagePanel.SizeChanged += new EventHandler(ImagePanelSizeChange);
DesignMode = true;
// So we change the object selected when a control is selected
SelectionChanged += new EventHandler(objTree.ControlSelectionChanged);
}
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);
}
public void CanParentTest()
{
ParentControlDesigner rootPanel = (ParentControlDesigner)_helper.IDesignerHost.GetDesigner(_helper.CreateControl(typeof(TestPanel), null));
ParentControlDesigner childPanel = (ParentControlDesigner)_helper.IDesignerHost.GetDesigner(_helper.CreateControl(typeof(TestPanel), rootPanel.Control));
ControlDesigner childPanelButton = (ControlDesigner)_helper.IDesignerHost.GetDesigner(_helper.CreateControl(typeof(TestButton), childPanel.Control));
ControlDesigner rootPanelButton = (ControlDesigner)_helper.IDesignerHost.GetDesigner(_helper.CreateControl(typeof(TestButton), rootPanel.Control));
Assert.IsFalse(childPanel.CanParent((Control)_helper.IDesignerHost.RootComponent), "#1");
Assert.IsTrue(childPanel.CanParent(childPanel), "#2");
Assert.IsTrue(childPanel.CanParent(childPanelButton), "#3");
Assert.IsTrue(childPanel.CanParent(rootPanelButton), "#4");
Assert.IsFalse(childPanel.CanParent(rootPanel), "#5");
Assert.IsTrue(rootPanel.CanParent(childPanel), "#6");
Assert.IsTrue(rootPanel.CanParent(rootPanelButton), "#7");
}
protected override IComponent[] CreateToolCore(ToolboxItem tool, int x, int y, int width, int height, bool hasLocation, bool hasSize)
{
TabControl control = (TabControl)this.Control;
if (control.SelectedTab == null)
{
throw new ArgumentException("TabControlInvalidTabPageType");
}
IDesignerHost service = (IDesignerHost)this.GetService(typeof(IDesignerHost));
if (service != null)
{
TabPageDesigner toInvoke = (TabPageDesigner)service.GetDesigner(control.SelectedTab);
ParentControlDesigner.InvokeCreateTool(toInvoke, tool);
}
return(null);
}
private void EndDragDrop(bool allowSetChildIndexOnDrop)
{
Control target = this.data.Target as Control;
if (target != null)
{
if (this.serviceProviderTarget == null)
{
this.serviceProviderTarget = target.Site;
if (this.serviceProviderTarget == null)
{
return;
}
}
if (this.destHost == null)
{
this.destHost = (IDesignerHost)this.serviceProviderTarget.GetService(typeof(IDesignerHost));
if (this.destHost == null)
{
return;
}
}
if (this.behaviorServiceTarget == null)
{
this.behaviorServiceTarget = (BehaviorService)this.serviceProviderTarget.GetService(typeof(BehaviorService));
if (this.behaviorServiceTarget == null)
{
return;
}
}
ArrayList list = null;
bool flag = this.lastEffect == DragDropEffects.Copy;
Control source = this.data.Source;
bool localDrag = source.Equals(target);
PropertyDescriptor member = TypeDescriptor.GetProperties(target)["Controls"];
PropertyDescriptor descriptor2 = TypeDescriptor.GetProperties(source)["Controls"];
IComponentChangeService service = (IComponentChangeService)this.serviceProviderSource.GetService(typeof(IComponentChangeService));
IComponentChangeService service2 = (IComponentChangeService)this.serviceProviderTarget.GetService(typeof(IComponentChangeService));
if (this.dragAssistanceManager != null)
{
this.dragAssistanceManager.OnMouseUp();
}
ISelectionService service3 = null;
if (flag || ((this.srcHost != this.destHost) && (this.destHost != null)))
{
service3 = (ISelectionService)this.serviceProviderTarget.GetService(typeof(ISelectionService));
}
try
{
if ((this.dragComponents != null) && (this.dragComponents.Length > 0))
{
string str;
DesignerTransaction transaction = null;
DesignerTransaction transaction2 = null;
if (this.dragComponents.Length == 1)
{
string componentName = TypeDescriptor.GetComponentName(this.dragComponents[0].dragComponent);
if ((componentName == null) || (componentName.Length == 0))
{
componentName = this.dragComponents[0].dragComponent.GetType().Name;
}
str = System.Design.SR.GetString(flag ? "BehaviorServiceCopyControl" : "BehaviorServiceMoveControl", new object[] { componentName });
}
else
{
str = System.Design.SR.GetString(flag ? "BehaviorServiceCopyControls" : "BehaviorServiceMoveControls", new object[] { this.dragComponents.Length });
}
if ((this.srcHost != null) && (((this.srcHost == this.destHost) || (this.destHost == null)) || !flag))
{
transaction = this.srcHost.CreateTransaction(str);
}
if ((this.srcHost != this.destHost) && (this.destHost != null))
{
transaction2 = this.destHost.CreateTransaction(str);
}
try
{
ComponentTray tray = null;
int num = 0;
if (flag)
{
tray = this.serviceProviderTarget.GetService(typeof(ComponentTray)) as ComponentTray;
num = (tray != null) ? tray.Controls.Count : 0;
ArrayList objects = new ArrayList();
for (int j = 0; j < this.dragComponents.Length; j++)
{
objects.Add(this.dragComponents[j].dragComponent);
}
objects = DesignerUtils.CopyDragObjects(objects, this.serviceProviderTarget) as ArrayList;
if (objects == null)
{
return;
}
list = new ArrayList();
for (int k = 0; k < objects.Count; k++)
{
list.Add(this.dragComponents[k].dragComponent);
this.dragComponents[k].dragComponent = objects[k];
}
}
if ((!localDrag || flag) && ((service != null) && (service2 != null)))
{
service2.OnComponentChanging(target, member);
if (!flag)
{
service.OnComponentChanging(source, descriptor2);
}
}
int num4 = ParentControlDesigner.DetermineTopChildIndex(target);
this.DropControl(this.primaryComponentIndex, target, source, localDrag);
Point p = this.behaviorServiceSource.AdornerWindowPointToScreen(this.dragComponents[this.primaryComponentIndex].draggedLocation);
p = ((Control)this.dragComponents[this.primaryComponentIndex].dragComponent).Parent.PointToClient(p);
if (((Control)this.dragComponents[this.primaryComponentIndex].dragComponent).Parent.IsMirrored)
{
p.Offset(-((Control)this.dragComponents[this.primaryComponentIndex].dragComponent).Width, 0);
}
Control dragComponent = this.dragComponents[this.primaryComponentIndex].dragComponent as Control;
PropertyDescriptor descriptor3 = TypeDescriptor.GetProperties(dragComponent)["Location"];
if ((dragComponent != null) && (descriptor3 != null))
{
try
{
service2.OnComponentChanging(dragComponent, descriptor3);
}
catch (CheckoutException exception)
{
if (exception != CheckoutException.Canceled)
{
throw;
}
return;
}
}
this.SetLocationPropertyAndChildIndex(this.primaryComponentIndex, target, p, this.shareParent ? (num4 + this.dragComponents[this.primaryComponentIndex].zorderIndex) : num4, allowSetChildIndexOnDrop);
if (service3 != null)
{
service3.SetSelectedComponents(new object[] { this.dragComponents[this.primaryComponentIndex].dragComponent }, SelectionTypes.Click | SelectionTypes.Replace);
}
for (int i = 0; i < this.dragComponents.Length; i++)
{
if (i != this.primaryComponentIndex)
{
this.DropControl(i, target, source, localDrag);
Point dropPoint = new Point(p.X + this.dragComponents[i].positionOffset.X, p.Y + this.dragComponents[i].positionOffset.Y);
this.SetLocationPropertyAndChildIndex(i, target, dropPoint, this.shareParent ? (num4 + this.dragComponents[i].zorderIndex) : num4, allowSetChildIndexOnDrop);
if (service3 != null)
{
service3.SetSelectedComponents(new object[] { this.dragComponents[i].dragComponent }, SelectionTypes.Add);
}
}
}
if ((!localDrag || flag) && ((service != null) && (service2 != null)))
{
service2.OnComponentChanged(target, member, target.Controls, target.Controls);
if (!flag)
{
service.OnComponentChanged(source, descriptor2, source.Controls, source.Controls);
}
}
if (list != null)
{
for (int m = 0; m < list.Count; m++)
{
this.dragComponents[m].dragComponent = list[m];
}
list = null;
}
if (flag)
{
if (tray == null)
{
tray = this.serviceProviderTarget.GetService(typeof(ComponentTray)) as ComponentTray;
}
if (tray != null)
{
int num7 = tray.Controls.Count - num;
if (num7 > 0)
{
ArrayList components = new ArrayList();
for (int n = 0; n < num7; n++)
{
components.Add(tray.Controls[num + n]);
}
tray.UpdatePastePositions(components);
}
}
}
this.CleanupDrag(false);
if (transaction != null)
{
transaction.Commit();
transaction = null;
}
if (transaction2 != null)
{
transaction2.Commit();
transaction2 = null;
}
}
finally
{
if (transaction != null)
{
transaction.Cancel();
}
if (transaction2 != null)
{
transaction2.Cancel();
}
}
}
}
finally
{
if (list != null)
{
for (int num9 = 0; num9 < list.Count; num9++)
{
this.dragComponents[num9].dragComponent = list[num9];
}
}
this.CleanupDrag(false);
if (this.statusCommandUITarget != null)
{
this.statusCommandUITarget.SetStatusInformation((service3 == null) ? (this.dragComponents[this.primaryComponentIndex].dragComponent as Component) : (service3.PrimarySelection as Component));
}
}
this.lastFeedbackLocation = new Point(-1, -1);
}
}
/// <summary>
/// 粘贴
/// </summary>
/// <param name="sender"></param>
/// <param name="args"></param>
private void Paste(object sender, EventArgs args)
{
IDesignerSerializationService serialService = this.GetService(typeof(IDesignerSerializationService)) as IDesignerSerializationService;
IDesignerHost host = GetService(typeof(IDesignerHost)) as IDesignerHost;
ISelectionService selection = GetService(typeof(ISelectionService)) as ISelectionService;
IComponentChangeService changeService = GetService(typeof(IComponentChangeService)) as IComponentChangeService;
if (host == null || serialService == null || clipboardData == null)
{
return;
}
//从获取上次剪切/复制的数据并反序列化
ICollection components = serialService.Deserialize(clipboardData);
//如果当前选中的控件是容器控件则添加到容器中
//否则添加到根设计器中
if (components != null && components.Count > 0)
{
DesignerTransaction transaction = host.CreateTransaction("Paste");
foreach (Component item in components)
{
Control control = item as Control;
if (control == null)
{
continue;
}
//if (control is IDBColProperty)
//{
// (control as IDBColProperty).DBColName = string.Empty;
//}
PropertyDescriptor parentProperty = TypeDescriptor.GetProperties(control)["Parent"];
//获取粘贴到的父容器
ParentControlDesigner parentDesigner = null;
if (selection != null && selection.PrimarySelection != null)
{
parentDesigner = host.GetDesigner((IComponent)selection.PrimarySelection) as ParentControlDesigner;
}
if (parentDesigner == null)
{
parentDesigner = host.GetDesigner(host.RootComponent) as DocumentDesigner;
}
if (parentDesigner != null && parentDesigner.CanParent(control))
{
//粘贴时粘贴到父容器中间
//control.Location = new Point(parentDesigner.Control.Width / 2 - control.Width / 2, parentDesigner.Control.Height / 2 - control.Height / 2);
parentProperty.SetValue(control, parentDesigner.Control);
}
}
clipboardData = null;
transaction.Commit();
((IDisposable)transaction).Dispose();
selection.SetSelectedComponents(components);
this.GlobalInvoke(StandardCommands.BringToFront);
}
}
// Called by the parent ParentControlDesigner when it is populating the grid-related
// design-time properties changes
//
private void OnParentGridPropertiesChanged (ParentControlDesigner parentDesigner)
{
SetValue (this.Component, "DrawGrid", (bool) GetValue (parentDesigner.Component, "DrawGrid"));
SetValue (this.Component, "SnapToGrid", (bool) GetValue (parentDesigner.Component, "SnapToGrid"));
SetValue (this.Component, "GridSize", (Size) GetValue (parentDesigner.Component, "GridSize"));
// Set also the default values to be those, because we should
// match the parent ParentControlDesigner values.
// called recursivly, so I will rather go for slower, but no stack-overflowable code
//
_defaultDrawGrid = (bool) GetValue (parentDesigner.Component, "DrawGrid");
_defaultSnapToGrid = (bool) GetValue (parentDesigner.Component, "SnapToGrid");
_defaultGridSize = (Size) GetValue (parentDesigner.Component, "GridSize");
this.PopulateGridProperties ();
}
// This is the code that is executed when you drop a tool from the Toolbox in the designer.
//
protected static void InvokeCreateTool (ParentControlDesigner toInvoke, ToolboxItem tool)
{
if (toInvoke != null)
toInvoke.CreateTool (tool);
}
// Reminder: We set control.Parent so that it gets serialized for Undo/Redo
//
private void Paste(object sender, EventArgs args)
{
IDesignerSerializationService stateSerializer = GetService(typeof(IDesignerSerializationService)) as IDesignerSerializationService;
ISelectionService selection = GetService(typeof(ISelectionService)) as ISelectionService;
IDesignerHost host = GetService(typeof(IDesignerHost)) as IDesignerHost;
IComponentChangeService changeService = GetService(typeof(IComponentChangeService)) as IComponentChangeService;
if (host == null || stateSerializer == null)
{
return;
}
//
// TODO: MWF X11 doesn't seem to support custom clipboard formats - bug #357642
//
// IDataObject dataObject = Clipboard.GetDataObject ();
// byte[] data = dataObject == null ? null : dataObject.GetData (DT_DATA_FORMAT) as byte[];
// if (data != null) {
// MemoryStream stream = new MemoryStream (data);
// stateSerializer.Deserialize (new BinaryFormatter().Deserialize (stream));
// .....
// }
//
if (_clipboard == null)
{
return;
}
DesignerTransaction transaction = host.CreateTransaction("Paste");
ICollection components = stateSerializer.Deserialize(_clipboard);
// Console.WriteLine ("Pasted components: ");
// foreach (object c in components)
// Console.WriteLine (((IComponent)c).Site.Name);
System.Collections.Generic.List <object> sel = new System.Collections.Generic.List <object>(components.Count);
foreach (object component in components)
{
sel.Add(component);
Control control = component as Control;
if (control == null)
{
continue; // pure Components are added to the ComponentTray by the DocumentDesigner
}
PropertyDescriptor parentProperty = TypeDescriptor.GetProperties(control)["Parent"];
if (control.Parent != null)
{
// Already parented during deserialization?
// In that case explicitly raise component changing/ed for the Parent property,
// so it get's cought by the UndoEngine
if (changeService != null)
{
changeService.OnComponentChanging(control, parentProperty);
changeService.OnComponentChanged(control, parentProperty, null, control.Parent);
}
}
else
{
ParentControlDesigner parentDesigner = null;
if (selection != null && selection.PrimarySelection != null)
{
parentDesigner = host.GetDesigner((IComponent)selection.PrimarySelection) as ParentControlDesigner;
}
if (parentDesigner == null)
{
parentDesigner = host.GetDesigner(host.RootComponent) as DocumentDesigner;
}
if (parentDesigner != null && parentDesigner.CanParent(control))
{
parentProperty.SetValue(control, parentDesigner.Control);
control.Name = null;
(host as IContainer).Add(control);
(host as SampleDesignerHost).AddDesignedComponent(control);
//parentDesigner.Control.Controls.Add(control);
}
}
}
//_clipboard = null;
//(host as SampleDesignerHost).SetSelectedComponents(components.);
selection.SetSelectedComponents(sel.ToArray(), SelectionTypes.Primary);
transaction.Commit();
((IDisposable)transaction).Dispose();
}
/// <summary>
/// Return true if the dragged component is toolbox Item
/// </summary>
/// <returns></returns>
#if !PocketPC
public static bool GetIsDroppedFromToolbox(ParentControlDesigner designer)
{
FieldInfo fi = typeof(ParentControlDesigner).GetField("mouseDragTool", BindingFlags.Instance | BindingFlags.NonPublic);
return(fi.GetValue(designer) is ToolboxItem);
}