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********* USER CONTROL: PROPRIETA E EVENTO SU PROPIETà PUBBLICA DELLO UC ***
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0. Definire una proprietà pubblica per uno user control:
[EditorBrowsable(EditorBrowsableState.Always)]
private int _numSticker = 0;
public int numSticker
{
get
{
return _numSticker;
}
set
{
_numSticker = value;
imgSticker.Source = CSticker.getImageSticker(_numSticker);
}
}
PROPRIETA' UTILIZZABILE ANCHE TRAMITE UI tramite DependencyProperty
[EditorBrowsable(EditorBrowsableState.Always)]
public string TITLE
{
get { return (string)GetValue(TitleProperty); }
set { SetValue(TitleProperty, value); }
}
public static readonly DependencyProperty TitleProperty =
DependencyProperty.Register("TITLE", typeof(string), typeof(MYUSERCONTROL),
new PropertyMetadata(0, OnTITLEPropertyChanged));
private static void OnTITLEPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
string myValue = e.NewValue.ToString();
(d as MYUSERCONTROL).tbTitle.Text = myValue;
}
1. Inserire i due eventi in testa allo user control
public delegate void ValueChangedEventHandler(object sender, EventArgs e);
public event ValueChangedEventHandler ValueChanged;
2. In un qualsiasi punto del codice dello UC, se vogliamo far scattare l'evento, aggiungiamo il codice
if (ValueChanged != null)
{
ValueChanged(this, EventArgs.Empty);
}
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Navigare verso un'altra finestra da uno user control
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((Frame)Window.Current.Content).Navigate(typeof(myPage));
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