/// <summary>Invoked on the changing of a property value through <see cref="SetProperty"/>. The default sends the correct messages through the <see cref="PropertyChanged"/> and <see cref="INotifyPropertyChanged.PropertyChanged"/> events.</summary>
/// <typeparam name="T">The type of the property value.</typeparam>
/// <param name="property">The <see cref="PropertyInfo"/> of the property that's changing.</param>
/// <param name="oldValue">The old value of the property.</param>
/// <param name="newValue">The new value of the property.</param>
/// <param name="oldValueObject">A boxed version of the old value (in <paramref name="oldValue"/>) of the property, if <paramref name="objectsSet"/> is <c>true</c>. The default implementation will set this if any events need to be raised.</param>
/// <param name="newValueObject">A boxed version of the new value (in <paramref name="newValue"/>) of the property, if <paramref name="objectsSet"/> is <c>true</c>. The default implementation will set this if any events need to be raised.</param>
/// <param name="objectsSet">Whether <paramref name="oldValueObject"/> and <paramref name="newValueObject"/> are actual boxed versions of <paramref name="oldValue"/> and <paramref name="newValue"/>. The default implementation sets this to <c>true</c> if it has raised any events, and boxed the values.</param>
/// <exception cref="ArgumentNullException"><paramref name="property"/> is <c>null</c>.</exception>
protected virtual void OnPropertyChanged <T>(PropertyInfo property, ref T oldValue, ref T newValue, ref object oldValueObject, ref object newValueObject, ref bool objectsSet)
{
PropertyChangedEventArgs baseEventArgs = null;
RichPropertyChangedEventArgs eventArgs = null;
if (PropertyChanged != null && !objectsSet)
{
oldValueObject = oldValue;
newValueObject = newValue;
objectsSet = true;
}
if (PropertyChanged != null)
{
baseEventArgs = eventArgs = new RichPropertyChangedEventArgs(property, oldValueObject, newValueObject);
}
else if (BasePropertyChanged != null)
{
baseEventArgs = new PropertyChangedEventArgs(property.Name);
}
if (PropertyChanged != null)
{
PropertyChanged.Invoke(this, eventArgs);
}
if (BasePropertyChanged != null)
{
BasePropertyChanged.Invoke(this, baseEventArgs);
}
}
public Help(string type = null)
{
InitializeComponent();
string cur = Environment.CurrentDirectory;
BasePropertyChanged vm = new BasePropertyChanged();
switch (type)
{
case "Fractal":
pdfViewer.Load("../../../Info/Fractals.pdf");
vm = new ViewModels.HelpFractalViewModel();
break;
case "Color":
pdfViewer.Load("../../../Info/ColorModel.pdf");
vm = new HelpColorViewModel();
break;
case "Affine":
pdfViewer.Load("../../../Info/Affine.pdf");
vm = new HelpAffineViewModel();
break;
}
DataContext = vm;
}
