CompositeControl.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / xsp / System / Web / UI / WebControls / CompositeControl.cs / 1305376 / CompositeControl.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

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

    /// 
    /// Base class for composite controls -- controls that contain other controls and reuse their functionality
    /// via class composition.  See Chapter 12 in "Developing Microsoft ASP.NET Server Controls and Components." 
    /// The following classes have copied code from this class (look for "Copied from CompositeControl" comment):
    /// - ChangePassword 
    /// - Login 
    /// - LoginView
    /// - SiteMapPath 
    /// 
    [
    Designer("System.Web.UI.Design.WebControls.CompositeControlDesigner, " + AssemblyRef.SystemDesign)
    ] 
    public abstract class CompositeControl : WebControl, INamingContainer, ICompositeControlDesignerAccessor {
 
 
        /// 
        /// Ensure that the child controls have been created before returning the controls collection 
        /// 
        public override ControlCollection Controls {
            get {
                EnsureChildControls(); 
                return base.Controls;
            } 
        } 

        public override bool SupportsDisabledAttribute { 
            get {
                return RenderingCompatibility < VersionUtil.Framework40;
            }
        } 

        ///  
        /// Perform our own databinding, then perform our child controls' databinding. 
        /// Does not call Base.DataBind(), since we need to call EnsureChildControls() between
        /// OnDataBinding() and DataBindChildren(). 
        /// 
        public override void DataBind() {
            OnDataBinding(EventArgs.Empty);
 
            EnsureChildControls();
 
            DataBindChildren(); 
        }
 
        protected virtual void RecreateChildControls() {
            ChildControlsCreated = false;
            EnsureChildControls();
        } 

        // Needed so the CompositeControl renders correctly in the designer, even when it does not have 
        // an associated ControlDesigner (i.e. it is a child control of another CompositeControl). 
        protected internal override void Render(HtmlTextWriter writer) {
            if (DesignMode) { 
                EnsureChildControls();
            }

            base.Render(writer); 
        }
 
        #region ICompositeControlDesignerAccessor implementation 
        void ICompositeControlDesignerAccessor.RecreateChildControls() {
            RecreateChildControls(); 
        }
        #endregion
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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