/// <summary>
/// Is called when the id of an object is changed.
/// </summary>
/// <param name="d">Object</param>
/// <param name="e">Event args</param>
/// <remarks>
/// Adds the object to a dictionary with all hosts and registers an Initialized event handler.
/// </remarks>
/// <exception cref="ArgumentException">Attached property 'Id' con only be applied to ItemsControls or ToolBarTrays</exception>
private static void OnIdChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// check if object is an ItemsControl or ToolBarTray (is a must for menu hosts)
if (!(d is ItemsControl) && !(d is ToolBarTray))
{
throw new ArgumentException(
"Attached property \'Id\' con only be applied to ItemsControls or ToolBarTrays");
}
var oldId = (string)e.OldValue;
var newId = (string)e.NewValue;
// string s;
// unregister with old id (if possible)
if (!MergeMenusExt.IsNullOrWhiteSpace(oldId) && _MergeHosts.ContainsKey(oldId))
{
MergeHost host;
if (_MergeHosts.TryGetValue(oldId, out host))
{
host.HostElement = null;
_MergeHosts.Remove(oldId);
}
}
// register with new id
if (!MergeMenusExt.IsNullOrWhiteSpace(newId))
{
var host = new MergeHost(newId);
host.HostElement = d as FrameworkElement;
_MergeHosts.Add(newId, host);
}
}
/// <summary>
/// Is called when the id of an object is changed.
/// </summary>
/// <param name="d">Object</param>
/// <param name="e">Event args</param>
/// <remarks>
/// Adds the object to a dictionary with all hosts and registers an Initialized event handler.
/// </remarks>
/// <exception cref="ArgumentException">Attached property 'Id' con only be applied to ItemsControls or ToolBarTrays</exception>
private static void OnIdChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
// check if object is an ItemsControl or ToolBarTray (is a must for menu hosts)
if (!(d is ItemsControl) && !(d is ToolBarTray))
{
throw new ArgumentException(
"Attached property \'Id\' con only be applied to ItemsControls or ToolBarTrays");
}
var oldId = (string)e.OldValue;
var newId = (string)e.NewValue;
// string s;
// unregister with old id (if possible)
if (!MergeMenusExt.IsNullOrWhiteSpace(oldId) && _MergeHosts.ContainsKey(oldId))
{
MergeHost host;
if (_MergeHosts.TryGetValue(oldId, out host))
{
host.HostElement = null;
_MergeHosts.Remove(oldId);
}
}
// register with new id
if (!MergeMenusExt.IsNullOrWhiteSpace(newId))
{
var host = new MergeHost(newId);
host.HostElement = d as FrameworkElement;
_MergeHosts.Add(newId, host);
}
}
