/// <summary>
/// Applique le changement de thème.
/// </summary>
/// <param name="oldTheme">l'ancien thème.</param>
/// <param name="newTheme">le nouveau thème.</param>
private void ApplyNewTheme(IThemeDescription oldTheme, IThemeDescription newTheme)
{
// Supprimer les dictionnaires du thème actuel
if (_currentResourceDictionaries != null && _currentResourceDictionaries.Any())
{
foreach (var dic in _currentResourceDictionaries)
{
this.Resources.MergedDictionaries.Remove(dic);
}
}
_currentResourceDictionaries = newTheme.GetResourceDictionaries().ToArray();
// Ajouter les dictionnaires du nouveau thème
foreach (var dic in _currentResourceDictionaries)
{
if (!this.Resources.MergedDictionaries.Any(rd => rd.Source == dic.Source))
{
this.Resources.MergedDictionaries.Add(dic);
}
}
}
/// <summary>
/// Initialise une nouvelle instance de la classe <see cref="ThemeChangedEvent"/>.
/// </summary>
/// <param name="sender">La source de l'évènement.</param>
/// <param name="oldTheme">L'ancien thème.</param>
/// <param name="newTheme">Le nouveau thème.</param>
public ThemeChangedEvent(object sender, IThemeDescription oldTheme, IThemeDescription newTheme)
: base(sender)
{
OldTheme = oldTheme;
NewTheme = newTheme;
}
