/// <summary>
/// 获取结构体参数的新值
/// </summary>
public static T GetSValue <T>(this IPropertyChangedArgs args) where T : struct
{
T t = default(T);
if (args is SPropertyArgs <T> )
{
SPropertyArgs <T> sArgs = (SPropertyArgs <T>)args;
t = sArgs.value;
}
return(t);
}
/// <summary>
/// 获取类参数的新值
/// </summary>
public static T GetCValue <T>(this IPropertyChangedArgs args) where T : class
{
T t = null;
if (args is CPropertyArgs <T> )
{
CPropertyArgs <T> cArgs = args as CPropertyArgs <T>;
t = cArgs.value;
}
return(t);
}
protected override void ViewModelPropertyChanged(string propertyName, IPropertyChangedArgs args)
{
if (args == null)
{
return;
}
switch (propertyName)
{
case "Text":
Text = args.GetCValue <string>();
break;
}
}
/// <summary>
/// 获取结构体参数的旧值
/// </summary>
public static void GetSValue <T>(this IPropertyChangedArgs args, out T oldValue, out T newValue) where T : struct
{
oldValue = default(T);
newValue = default(T);
if (args is SPropertyArgsB <T> )
{
SPropertyArgsB <T> sArgs = (SPropertyArgsB <T>)args;
oldValue = sArgs.oldValue;
newValue = sArgs.newValue;
}
}
/// <summary>
/// 获取类参数的旧值
/// </summary>
public static void GetCValue <T>(this IPropertyChangedArgs args, out T oldValue, out T newValue) where T : class
{
oldValue = null;
newValue = null;
if (args is CPropertyArgsB <T> )
{
CPropertyArgsB <T> cArgs = args as CPropertyArgsB <T>;
oldValue = cArgs.oldValue;
newValue = cArgs.newValue;
}
}
private static void UpperSourceChanged(AppView o, IPropertyChangedArgs<object> args)
{
o.upperView.ItemsSource = args.NewValue;
}
private static void IsPaneOpenChanged(AppView o, IPropertyChangedArgs<bool> args)
{
o.splitView.IsPaneOpen = args.NewValue;
}
private static void FrameContentChanged(AppView o, IPropertyChangedArgs<object> args)
{
o.frame.Content = args.NewValue;
}
protected abstract void OnModelPropertyChanged(string propertyName, IPropertyChangedArgs args);
private static void WidthChanged(FrameworkElement element, IPropertyChangedArgs<string> args)
{
element.SetBinding(FrameworkElement.WidthProperty, args.NewValue);
}
private static void ContentChanged(ContentControl control, IPropertyChangedArgs<string> args)
{
control.SetBinding(ContentControl.ContentProperty, args.NewValue);
}
protected override void ViewModelPropertyChanged(string propertyName, IPropertyChangedArgs args)
{
}
