internal void RaiseInitializeProperty(InitializePropertyDescriptorEventArgs e)
{
if (InitializeProperty != null)
{
InitializeProperty(this, e);
}
}
private void OnGoCreateNew(TaskGoEventArgs e)
{
object value = e.Instance.Argument.UserState;
if (value == null)
{
return;
}
object valueDefault = pg.ObjectDefalult;
Type type = null;
PropertyInfo[] pis = null;
if (valueDefault != null)
{
type = valueDefault.GetType();
}
if (type != null)
{
pis = type.GetProperties();
}
var list = new List <PropertyDescriptor>();
value.TraversalPropertiesInfo((PropertyInfo pi, object val) =>
{
if (e.Instance.IsStopPending)
{
return(false);
}
if (!pi.CanWrite)
{
return(true);
}
PropertyDescriptor meta = null;
Application.Current.Dispatcher.Invoke(
new Action(() => meta = PropertyDescriptor.Create(pg, value, pi.Name, pg.Editable, pg.PropertyClass, pg.ContainerType)));
if (meta == null)
{
return(true);
}
//meta.Object = value;
meta.PropertyGrid = pg;
if (pis != null && pis.Any(c => c.Name == pi.Name))
{
meta.DefaultValue = valueDefault.GetPropertyValue(pi.Name);
}
var args = new InitializePropertyDescriptorEventArgs(meta);
pg.RaiseInitializeProperty(args);
if (!args.Cancel)
{
list.Add(meta);
return(true);
}
var attr = pi.GetAttribute <PropertyDescriptorAttribute>();
if (attr == null)
{
list.Add(meta);
return(true);
}
var builder = attr.CreateBuilder();
if (builder == null)
{
list.Add(meta);
return(true);
}
meta = builder.Build(meta);
if (meta != null)
{
list.Add(meta);
return(true);
}
return(true);
});
var broadcast = false;
Application.Current.Dispatcher.Invoke(new Action(() => broadcast = pg.BroadcastPropertyChanged));
list.ForEach(c =>
{
Application.Current.Dispatcher.Invoke(new Action(() => pg._properties.Add(c)));
c.Install();
Application.Current.Dispatcher.Invoke(new Action(() =>
{
if (c.BindingExpression != null && !pg.IsGroupingEnabled && c.Editable)
{
pg.BindingGroup.BindingExpressions.Add(c.BindingExpression);
}
}));
if (broadcast)
{
list.ForEach(d => c.PostPropertyValueChangedAsync(d.Name, true));
}
});
//e.Instance.Argument.UserState = list;
}
