View.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / View.cs / 1305376 / View.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.WebControls { 
 
    using System;
    using System.ComponentModel; 
    using System.Web;
    using System.Web.UI;

    [ParseChildren(false)] 
    [
    Designer("System.Web.UI.Design.WebControls.ViewDesigner, " + AssemblyRef.SystemDesign) 
    ] 

    [ToolboxData("<{0}:View runat=\"server\">")] 
    public class View : Control {

        private static readonly object _eventActivate = new object();
        private static readonly object _eventDeactivate = new object(); 
        private bool _active = false;
 
        ///  
        ///    [To be supplied.]
        ///  
        internal bool Active {
            get {
                return _active;
            } 
            set {
                _active = value; 
 
                // VSWhidbey 297515 - Need to make it visible explicity so views can be added during Render
                base.Visible = true; 
            }
        }

        ///  
        ///    Gets and sets a value indicating whether theme is enabled.
        ///  
        [ 
        Browsable(true)
        ] 
        public override bool EnableTheming {
            get {
                return base.EnableTheming;
            } 
            set {
                base.EnableTheming = value; 
            } 
        }
 

        /// 
        ///    Occurs when the view is deactivated.
        ///  
        [
        WebCategory("Action"), 
        WebSysDescription(SR.View_Activate) 
        ]
        public event EventHandler Activate { 
            add {
                Events.AddHandler(_eventActivate, value);
            }
            remove { 
                Events.RemoveHandler(_eventActivate, value);
            } 
        } 

 
        /// 
        ///    Occurs when the view is deactivated.
        /// 
        [ 
        WebCategory("Action"),
        WebSysDescription(SR.View_Deactivate) 
        ] 
        public event EventHandler Deactivate {
            add { 
                Events.AddHandler(_eventDeactivate, value);
            }
            remove {
                Events.RemoveHandler(_eventDeactivate, value); 
            }
        } 
 

        ///  
        ///    
        ///       Gets or sets a value that indicates whether the view should be rendered on
        ///       the page.
        ///     
        /// 
        [ 
        Browsable(false), 
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
        WebCategory("Behavior"), 
        WebSysDescription(SR.Control_Visible)
        ]
        public override bool Visible {
            get { 
                if (Parent == null) {
                    return Active; 
                } 
                return Active && Parent.Visible;
            } 
            set {
                if (DesignMode) {
                    return;
                } 
                throw new InvalidOperationException(SR.GetString(SR.View_CannotSetVisible));
            } 
        } 

 
        /// 
        /// Raises the event.
        /// 
        protected internal virtual void OnActivate(EventArgs e) { 
            EventHandler handler = (EventHandler)Events[_eventActivate];
            if (handler != null) { 
                handler(this, e); 
            }
        } 


        /// 
        /// Raises the event. 
        /// 
        protected internal virtual void OnDeactivate(EventArgs e) { 
            EventHandler handler = (EventHandler)Events[_eventDeactivate]; 
            if (handler != null) {
                handler(this, e); 
            }
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.WebControls { 
 
    using System;
    using System.ComponentModel; 
    using System.Web;
    using System.Web.UI;

    [ParseChildren(false)] 
    [
    Designer("System.Web.UI.Design.WebControls.ViewDesigner, " + AssemblyRef.SystemDesign) 
    ] 

    [ToolboxData("<{0}:View runat=\"server\">")] 
    public class View : Control {

        private static readonly object _eventActivate = new object();
        private static readonly object _eventDeactivate = new object(); 
        private bool _active = false;
 
        ///  
        ///    [To be supplied.]
        ///  
        internal bool Active {
            get {
                return _active;
            } 
            set {
                _active = value; 
 
                // VSWhidbey 297515 - Need to make it visible explicity so views can be added during Render
                base.Visible = true; 
            }
        }

        ///  
        ///    Gets and sets a value indicating whether theme is enabled.
        ///  
        [ 
        Browsable(true)
        ] 
        public override bool EnableTheming {
            get {
                return base.EnableTheming;
            } 
            set {
                base.EnableTheming = value; 
            } 
        }
 

        /// 
        ///    Occurs when the view is deactivated.
        ///  
        [
        WebCategory("Action"), 
        WebSysDescription(SR.View_Activate) 
        ]
        public event EventHandler Activate { 
            add {
                Events.AddHandler(_eventActivate, value);
            }
            remove { 
                Events.RemoveHandler(_eventActivate, value);
            } 
        } 

 
        /// 
        ///    Occurs when the view is deactivated.
        /// 
        [ 
        WebCategory("Action"),
        WebSysDescription(SR.View_Deactivate) 
        ] 
        public event EventHandler Deactivate {
            add { 
                Events.AddHandler(_eventDeactivate, value);
            }
            remove {
                Events.RemoveHandler(_eventDeactivate, value); 
            }
        } 
 

        ///  
        ///    
        ///       Gets or sets a value that indicates whether the view should be rendered on
        ///       the page.
        ///     
        /// 
        [ 
        Browsable(false), 
        DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden),
        WebCategory("Behavior"), 
        WebSysDescription(SR.Control_Visible)
        ]
        public override bool Visible {
            get { 
                if (Parent == null) {
                    return Active; 
                } 
                return Active && Parent.Visible;
            } 
            set {
                if (DesignMode) {
                    return;
                } 
                throw new InvalidOperationException(SR.GetString(SR.View_CannotSetVisible));
            } 
        } 

 
        /// 
        /// Raises the event.
        /// 
        protected internal virtual void OnActivate(EventArgs e) { 
            EventHandler handler = (EventHandler)Events[_eventActivate];
            if (handler != null) { 
                handler(this, e); 
            }
        } 


        /// 
        /// Raises the event. 
        /// 
        protected internal virtual void OnDeactivate(EventArgs e) { 
            EventHandler handler = (EventHandler)Events[_eventDeactivate]; 
            if (handler != null) {
                handler(this, e); 
            }
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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View.cs source code in C# .NET

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