/// <typeparam name="T">指定对象类型</typeparam>
/// <param name="source">TreeNode对象</param>
/// <param name="target">指定对象</param>
/// <param name="nameProperty">显示的对象属性</param>
/// <param name="childsProperty">指定对象的子对象</param>
/// <returns>TreeNode</returns>
public static TreeNode Parse <T>(this TreeNode source, T target, Expression <Func <string> > nameProperty, Expression <Func <IEnumerable <T> > > childsProperty)
{
PropertyInfo propName = PropertySupport.ExtractProperty(nameProperty);
PropertyInfo propChilds = PropertySupport.ExtractProperty(childsProperty);
try
{
if (target == null)
{
throw new NullReferenceException("解析的目标不能为空！");
}
TreeNode node = new TreeNode();
string nodeName = propName.GetValue(target, null).ToString();
node.Name = nodeName;
object obj = propChilds.GetValue(target, null);
if (obj != null && obj is IEnumerable <T> )
{
foreach (var item in obj as IEnumerable <T> )
{
var cNode = node.Parse(item, nameProperty, childsProperty);
cNode.Target = item;
cNode.Parent = node;
node.Childs.Add(cNode);
}
}
node.Target = target;
return(node);
}
catch
{
throw;
}
}
/// <summary>
/// Raises this object's PropertyChanged event.
/// </summary>
/// <typeparam name="T">The type of the property that has a new value</typeparam>
/// <param name="propertyExpression">A Lambda expression representing the property that has a new value.</param>
protected void RaisePropertyChanged <T>(Expression <Func <T> > propertyExpression)
{
var propertyName = PropertySupport.ExtractPropertyName(propertyExpression);
this.RaisePropertyChanged(propertyName);
}
