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public MonObjet()
{
// A et B sont des INotifyPropertyChanged donc possède l'evenement PropertyChanged
// On route l'evenement sur la même méthode
this.A = new Quantity();
this.A.PropertyChanged += new PropertyChangedEventHandler(QuantityPropertyChanged);
this.B = new Quantity();
this.B.PropertyChanged += new PropertyChangedEventHandler(QuantityPropertyChanged);
this.C = new Quantity();
}
private void QuantityPropertyChanged(object sender, PropertyChangedEventArgs e)
{
switch (e.PropertyName)
{
case "Value":
if (this.C != null)
{
this.C.Value = A.Value * B.Value;
this.RaisePropertyChanged("C");
}
break;
}
}
public Quantity A
{
get;
private set;
}
public Quantity B
{
get;
private set;
}
public Quantity C
{
get;
private set;
}
// Todo : Implémentation INotifyPropertyChanged
#region INotifyPropertyChanged Members
public event PropertyChangedEventHandler PropertyChanged;
/// <summary>
/// Raise
/// </summary>
/// <param name="propertyName"></param>
public void RaisePropertyChanged(string propertyName)
{
if (this.PropertyChanged != null)
{
this.RaisePropertyChanged(propertyName);
}
}
#endregion
} |
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