1: public class SaveWindowsPosition
2: {
3: #region Constructor
4: private Window window = null;
5:
6: public SaveWindowsPosition(Window window)
7: {
8: this.window = window;
9: }
10:
11: #endregion
12:
13: #region Attached "Save" Property Implementation
14: /// <summary>
15: /// Register the "Save" attached property and the "OnSaveInvalidated" callback
16: /// </summary>
17: public static readonly DependencyProperty SaveProperty
18: = DependencyProperty.RegisterAttached("Save", typeof(bool), typeof(SaveWindowsPosition),
19: new FrameworkPropertyMetadata(new PropertyChangedCallback(OnSaveInvalidated)));
20:
21: public static void SetSave(DependencyObject dependencyObject, bool enabled)
22: {
23: dependencyObject.SetValue(SaveProperty, enabled);
24: }
25:
26: /// <summary>
27: /// Called when Save is changed on an object.
28: /// </summary>
29: private static void OnSaveInvalidated(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
30: {
31: Window window = dependencyObject as Window;
32: if (window != null)
33: {
34: if ((bool)e.NewValue)
35: {
36: SaveWindowsPosition settings = new SaveWindowsPosition(window);
37: settings.Attach();
38: }
39: }
40: }
41:
42: #endregion
43:
44: #region Protected Methods
45: /// <summary>
46: /// Load the Window Size Location and State from the settings object
47: /// </summary>
48: protected virtual void LoadWindowState()
49: {
50: Properties.Settings.Default.Reload();
51: Rect rect = Rect.Parse(Properties.Settings.Default[window.GetType().Name].ToString().Replace(';', ','));
52:
53: if (rect != Rect.Empty)
54: {
55: this.window.Left = rect.Left;
56: this.window.Top = rect.Top;
57: this.window.Width = rect.Width;
58: this.window.Height = rect.Height;
59: }
60: }
61:
62: /// <summary>
63: /// Save the Window Size, Location and State to the settings object
64: /// </summary>
65: protected virtual void SaveWindowState()
66: {
67: Properties.Settings.Default[window.GetType().Name] = this.window.RestoreBounds.ToString();
68: Properties.Settings.Default.Save();
69: }
70: #endregion
71:
72: #region Private Methods
73:
74: private void Attach()
75: {
76: if (this.window != null)
77: {
78: this.window.Closing += new CancelEventHandler(window_Closing);
79: this.window.Initialized += new EventHandler(window_Initialized);
80: }
81: }
82:
83: private void window_Initialized(object sender, EventArgs e)
84: {
85: LoadWindowState();
86: }
87:
88: private void window_Closing(object sender, CancelEventArgs e)
89: {
90: SaveWindowState();
91: }
92: #endregion
93: }
