public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if (context != null && context.Instance != null && provider != null)
{
IWindowsFormsEditorService edSvc = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (edSvc != null)
{
HtmlTreeView tr = context.Instance as HtmlTreeView;
if (tr != null)
{
DlgHtmlTreeViewEditor dlg = new DlgHtmlTreeViewEditor();
dlg.LoadData(tr);
if (edSvc.ShowDialog(dlg) == System.Windows.Forms.DialogResult.OK)
{
dlg.SaveData(tr);
IDevClass dc = tr.GetDevClass();
if (dc != null)
{
dc.NotifyChange(tr, context.PropertyDescriptor.Name);
}
}
}
}
}
return(value);
}
public PropertyDescriptorHtmlTreeNodeCollection(HtmlTreeNode node, HtmlTreeView tree)
: base(string.Format(CultureInfo.InvariantCulture, "ChildNodes - Level {0}", node.Level + 1), new Attribute[] { new WebClientMemberAttribute() })
{
_tree = tree;
_node = node;
_childs = new HtmlTreeNodeCollection(_tree, _node);
}
public void SaveData(HtmlTreeView treeView)
{
treeView.Nodes.Clear();
if (treeView.ImageList == null)
{
IWebPage wp = treeView.FindForm() as IWebPage;
if (wp != null)
{
treeView.ImageList = wp.AddComponent(typeof(ImageList)) as ImageList;
}
}
copyNodes(treeView1.Nodes, treeView.Nodes, treeView.ImageList);
}
public PropertyDescriptorCollection GetProperties(Attribute[] attributes)
{
PropertyDescriptorCollection ps = TypeDescriptor.GetProperties(this, attributes, true);
List <PropertyDescriptor> lst = new List <PropertyDescriptor>();
foreach (PropertyDescriptor p in ps)
{
if (_propertyNames.Contains(p.Name))
{
lst.Add(p);
}
}
HtmlTreeView htv = this.TreeView as HtmlTreeView;
if (htv != null)
{
lst.Add(new PropertyDescriptorHtmlTreeNodeCollection(this, htv));
}
WebClientValueCollection.AddPropertyDescs(lst, this.CustomValues);
return(new PropertyDescriptorCollection(lst.ToArray()));
}
public HtmlTreeNodeCollection(HtmlTreeView tree, HtmlTreeNode parent)
{
_tree = tree;
_parentNode = parent;
}
public void LoadData(HtmlTreeView treeView)
{
copyNodes(treeView.Nodes, treeView1.Nodes, imageList1);
}