public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if ((context != null) && (provider != null))
{
// Access the Property Browser's UI display service
_editorService = (IWindowsFormsEditorService)provider.GetService(typeof(IWindowsFormsEditorService));
if (_editorService != null)
{
_listBox = new ListBox();
_listBox.Click += new EventHandler(_listBox_Click);
_listBox.BorderStyle = BorderStyle.None;
nugenCCalc = (NugenCCalcBase)context.Instance;
if (nugenCCalc.Site.DesignMode)
{
foreach (Component component in context.Container.Components)
{
try
{
if (nugenCCalc.ValidateControl(component))
{
_listBox.Items.Add(component);
}
}
catch { }
}
}
else
{
if (nugenCCalc.Owner != null)
{
IterateControls((nugenCCalc.Owner as Form).Controls);
}
}
_editorService.DropDownControl(_listBox);
if (_listBox.SelectedItem != null)
{
value = _listBox.SelectedItem;
}
}
}
return(value);
}
private void IterateControls(Control.ControlCollection controls)
{
foreach (Control child in controls)
{
try
{
if (nugenCCalc.ValidateControl(child))
{
_listBox.Items.Add(child);
}
}
catch { }
if (child.HasChildren)
{
IterateControls(child.Controls);
}
}
}