/// <summary>
/// Edits the specified object's value using the editor style indicated by GetEditStyle.
/// </summary>
/// <param name="context">An ITypeDescriptorContext that can be used to gain additional context information.</param>
/// <param name="provider">An IServiceProvider that this editor can use to obtain services.</param>
/// <param name="value">The object to edit.</param>
/// <returns></returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
if ((context != null) && (context.Instance != null) && (provider != null))
{
// Convert to the correct class.
MenuCommandCollection commands = value as MenuCommandCollection;
// Create the dialog used to edit the menu commands
MenuCollectionDialog dialog = new MenuCollectionDialog(commands);
// Give user the chance to modify the nodes
if (dialog.ShowDialog() == DialogResult.OK)
{
// Reflect changes back into original copy and generate appropriate
// component changes to designer to reflect these changes
SynchronizeCollections(commands, dialog.Commands, context);
// Notify container that value has been changed
context.OnComponentChanged();
// Need to repaint the control to take account of new values
MenuControl mc = context.Instance as MenuControl;
// Just in case it is null
if (mc != null)
{
mc.Invalidate();
}
}
}
// Return the original value
return(value);
}
