2 // System.Web.UI.WebControls.View.cs
5 // Lluis Sanchez Gual (lluis@novell.com)
7 // (C) 2004 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
34 using System.Globalization;
37 using System.ComponentModel;
39 namespace System.Web.UI.WebControls
41 [ParseChildrenAttribute (false)]
42 [DesignerAttribute ("System.Web.UI.Design.WebControls.ViewDesigner, " + Consts.AssemblySystem_Design, "System.ComponentModel.Design.IDesigner")]
43 [ToolboxDataAttribute ("<{0}:View runat=\"server\"></{0}:View>")]
44 public class View: Control
46 private static readonly object ActivateEvent = new object();
47 private static readonly object DeactivateEvent = new object();
54 internal void NotifyActivation (bool activated)
56 if (activated) OnActivate (EventArgs.Empty);
57 else OnDeactivate (EventArgs.Empty);
60 public event EventHandler Activate {
61 add { Events.AddHandler (ActivateEvent, value); }
62 remove { Events.RemoveHandler (ActivateEvent, value); }
65 public event EventHandler Deactivate {
66 add { Events.AddHandler (DeactivateEvent, value); }
67 remove { Events.RemoveHandler (DeactivateEvent, value); }
70 protected virtual void OnActivate (EventArgs e)
73 EventHandler eh = (EventHandler) Events [ActivateEvent];
74 if (eh != null) eh (this, e);
78 protected virtual void OnDeactivate (EventArgs e)
81 EventHandler eh = (EventHandler) Events [DeactivateEvent];
82 if (eh != null) eh (this, e);
86 internal bool VisibleInternal
88 get { return base.Visible; }
89 set { base.Visible = value; }
92 public override bool Visible
94 get { return base.Visible; }
97 throw new InvalidOperationException ("The Visible property of a View control can only be set by setting the active View of a MultiView.");