private void buttonOK_Click(object sender, EventArgs e)
{
try
{
if (listBox1.SelectedIndex >= 0)
{
DataEditor de = (DataEditor)Activator.CreateInstance((Type)(listBox1.Items[listBox1.SelectedIndex]));
DlgSetEditorAttributes dlg = de.GetDataDialog(SelectedEditor);
if (dlg != null)
{
dlg.SetEditorAttributes(SelectedEditor);
if (dlg.ShowDialog(this) == DialogResult.OK)
{
SetSelection(de);
this.DialogResult = DialogResult.OK;
}
}
else
{
this.DialogResult = DialogResult.OK;
}
}
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}
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)
{
FieldEditorList felst = context.Instance as FieldEditorList;
if (felst != null)
{
DataEditorListBox list = new DataEditorListBox(edSvc);
edSvc.DropDownControl(list);
if (list.Selector != null)
{
if (list.Selector is DataEditorNone)
{
value = null;
felst.RemoveEditorByName(context.PropertyDescriptor.Name);
}
else
{
list.Selector.ValueField = context.PropertyDescriptor.Name;
list.Selector.SetFieldsAttribute(felst.Fields);
DataEditor current = value as DataEditor;
DlgSetEditorAttributes dlg = list.Selector.GetDataDialog(current);
if (dlg != null)
{
if (edSvc.ShowDialog(dlg) == DialogResult.OK)
{
dlg.SelectedEditor.ValueField = context.PropertyDescriptor.Name;
current = (DataEditor)dlg.SelectedEditor.Clone();
value = current;
felst.AddEditor(current);
}
}
else
{
current = (DataEditor)list.Selector.Clone();
value = list.Selector;
felst.AddEditor(current);
}
}
}
}
}
}
return(value);
}