private void CopyPropertyChangesHandler(object sender, ExecutedRoutedEventArgs e)
{
if (_currentSelection != null)
{
SaveEditedProperties(_currentSelection);
}
EditedPropertiesHelper.DumpObjectsWithEditedProperties();
}
/// <summary>
/// Loop through the properties in the current PropertyGrid and save away any properties
/// that have been changed by the user.
/// </summary>
/// <param name="owningObject">currently selected object that owns the properties in the grid (before changing selection to the new object)</param>
private void SaveEditedProperties(VisualTreeItem owningObject)
{
foreach (PropertyInformation property in PropertyGrid.PropertyGrid.Properties)
{
if (property.IsValueChangedByUser)
{
EditedPropertiesHelper.AddEditedProperty(Dispatcher, owningObject, property);
}
}
}
/// <summary>
/// Cleanup when closing the window.
/// </summary>
protected override void OnClosing(CancelEventArgs e)
{
base.OnClosing(e);
// unsubscribe to owner window closing event
// replaces previous attempts to hookup to MainWindow.Closing on the wrong dispatcher thread
// This one should be running on the right dispatcher thread since this SnoopUI instance
// is wired up to the dispatcher thread/window that it owns
if (Owner != null)
{
Owner.Closing -= SnoopedWindowClosingHandler;
}
CurrentSelection = null;
InputManager.Current.PreProcessInput -= HandlePreProcessInput;
EventsListener.Stop();
EditedPropertiesHelper.DumpObjectsWithEditedProperties();
// persist the window placement details to the user settings.
WindowPlacement wp;
IntPtr hwnd = new WindowInteropHelper(this).Handle;
NativeMethods.GetWindowPlacement(hwnd, out wp);
Settings.Default.SnoopUIWindowPlacement = wp;
// persist whether all properties are shown by default
Settings.Default.ShowDefaults = PropertyGrid.ShowDefaults;
// persist whether the previewer is shown by default
Settings.Default.ShowPreviewer = PreviewArea.IsActive;
// actually do the persisting
Settings.Default.Save();
SnoopPartsRegistry.RemoveSnoopVisualTreeRoot(this);
}
/// <summary>
/// Event handler for a snooped window closing. This is our chance to spit out
/// all the properties that changed during the snoop session for that window.
/// Note: there may be multiple snooped windows (when in multiple dispatcher mode)
/// and each window is hooked up to it's own instance of SnoopUI and this event.
/// </summary>
private void SnoopedWindowClosingHandler(object sender, CancelEventArgs e)
{
// changing the selection captures any changes in the selected item at the time of window closing
CurrentSelection = null;
EditedPropertiesHelper.DumpObjectsWithEditedProperties();
}