internal virtual bool GetValue(string propertyName, ref object value, bool ignoreExpression)
{
var objType = this.ObjectType;
var dp = DependencyProperty.GetProperty(objType, propertyName);
if (dp == null)
{
var propertyInfo = objType.ResolveProperty(propertyName);
if (propertyInfo == null)
{
return(false);
//throw new XamlException("没有找到" + propertyName + "的定义");
}
value = propertyInfo.GetValue(this);
}
value = this.GetValue(dp, ignoreExpression);
return(true);
}
protected override void Load(object obj, HtmlNode objNode)
{
var ctx = LoadContext.Current;
var style = ctx.Parent as XamlStyle;
if (style == null)
{
throw new XamlException("Setter的父对象必须为XamlStyle");
}
var targetType = style.TargetType;
if (targetType == null)
{
throw new XamlException("请指定正确的Style.TargetType属性");
}
var propertyName = objNode.GetAttributeValue("Property", string.Empty);
if (string.IsNullOrEmpty(propertyName))
{
throw new XamlException("请指定正确的Setter.Property属性");
}
var setter = obj as Setter;
setter.Property = DependencyProperty.GetProperty(targetType, propertyName);
string value = objNode.GetAttributeValue("Value", string.Empty);
if (!string.IsNullOrEmpty(value))
{
//简单值
var propertyInfo = targetType.ResolveProperty(propertyName);
PropertiesLoader.SetValue(setter, Setter.ValueProperty, propertyInfo, value);
}
else
{
var valueNode = objNode.SelectSingleNodeEx("Setter.Value");
if (valueNode != null)
{
setter.Value = XamlReader.ReadComponent(valueNode.InnerHtml);
}
}
}
