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