HierarchicalDataTemplate.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / Framework / System / Windows / HierarchicalDataTemplate.cs / 1305600 / HierarchicalDataTemplate.cs
                        
                        
                            //---------------------------------------------------------------------------- 
//
// 
//    Copyright (C) Microsoft Corporation.  All rights reserved.
//  
//
// Description: HierarchicalDataTemplate adds hierarchy support to DataTemplate. 
// 
// Specs:       http://avalon/coreui/Specs%20%20Property%20Engine/Styling%20Revisited.doc
// 
//---------------------------------------------------------------------------

using System.Windows.Controls;
using System.Windows.Data; 

namespace System.Windows 
{ 
    /// 
    ///     HierarchicalDataTemplate adds hierarchy support to DataTemplate. 
    /// 
    public class HierarchicalDataTemplate : DataTemplate
    {
        #region Constructors 

        //------------------------------------------------------------------- 
        // 
        //  Constructors
        // 
        //-------------------------------------------------------------------

        /// 
        ///     HierarchicalDataTemplate Constructor 
        /// 
        public HierarchicalDataTemplate() 
        { 
        }
 
        /// 
        ///     HierarchicalDataTemplate Constructor
        /// 
        public HierarchicalDataTemplate(object dataType) : base(dataType) 
        {
        } 
 
        #endregion Constructors
 
        #region Public Properties

        //--------------------------------------------------------------------
        // 
        //  Public Properties
        // 
        //------------------------------------------------------------------- 

        ///  
        ///     ItemsSource binding for this DataTemplate.  This is applied
        ///     to the ItemsSource property on a generated HeaderedItemsControl,
        ///     to indicate where to find the collection that represents the
        ///     next level in the data hierarchy. 
        /// 
        public BindingBase ItemsSource 
        { 
            get {  return _itemsSourceBinding; }
            set 
            {
                CheckSealed();
                _itemsSourceBinding = value;
            } 
        }
 
        ///  
        ///     ItemTemplate for this DataTemplate.  This is applied
        ///     to the ItemTemplate property on a generated HeaderedItemsControl, 
        ///     to indicate how to display items from the next level in the
        ///     data hierarchy.
        /// 
        public DataTemplate ItemTemplate 
        {
            get {  return _itemTemplate; } 
            set 
            {
                CheckSealed(); 
                _itemTemplate = value;
                _itemTemplateSet = true;
            }
        } 

        ///  
        ///     ItemTemplateSelector for this DataTemplate.  This is applied 
        ///     to the ItemTemplateSelector property on a generated HeaderedItemsControl,
        ///     to indicate how to select a template to display items from the 
        ///     next level in the data hierarchy.
        /// 
        public DataTemplateSelector ItemTemplateSelector
        { 
            get {  return _itemTemplateSelector; }
            set 
            { 
                CheckSealed();
                _itemTemplateSelector = value; 
                _itemTemplateSelectorSet = true;
            }
        }
 
        /// 
        ///     ItemContainerStyle for this DataTemplate.  This is applied 
        ///     to the ItemContainerStyle property on a generated HeaderedItemsControl, 
        ///     to indicate a style for the containers it generates.
        ///  
        public Style ItemContainerStyle
        {
            get {  return _itemContainerStyle; }
            set 
            {
                CheckSealed(); 
                _itemContainerStyle = value; 
                _itemContainerStyleSet = true;
            } 
        }

        /// 
        ///     ItemContainerStyleSelector for this DataTemplate.  This is applied 
        ///     to the ItemContainerStyleSelector property on a generated HeaderedItemsControl,
        ///     to indicate how to select a style for the containers it generates. 
        ///  
        public StyleSelector ItemContainerStyleSelector
        { 
            get {  return _itemContainerStyleSelector; }
            set
            {
                CheckSealed(); 
                _itemContainerStyleSelector = value;
                _itemContainerStyleSelectorSet = true; 
            } 
        }
 
        /// 
        ///     ItemStringFormat for this DataTemplate.  This is applied
        ///     to the ItemStringFormat property on a generated HeaderedItemsControl,
        ///     to indicate how to format items from the 
        ///     next level in the data hierarchy.
        ///  
        public string ItemStringFormat 
        {
            get {  return _itemStringFormat; } 
            set
            {
                CheckSealed();
                _itemStringFormat = value; 
                _itemStringFormatSet = true;
            } 
        } 

        ///  
        ///     AlternationCount for this DataTemplate.  This is applied
        ///     to the AlternationCount property on a generated HeaderedItemsControl,
        ///     to control the setting of AlternationIndex at the
        ///     next level in the data hierarchy. 
        /// 
        public int AlternationCount 
        { 
            get {  return _alternationCount; }
            set 
            {
                CheckSealed();
                _alternationCount = value;
                _alternationCountSet = true; 
            }
        } 
 
        /// 
        ///     ItemBindingGroup for this DataTemplate.  This is applied 
        ///     to the ItemBindingGroup property on a generated HeaderedItemsControl,
        ///     to define the binding group used at the
        ///     next level in the data hierarchy.
        ///  
        public BindingGroup ItemBindingGroup
        { 
            get {  return _itemBindingGroup; } 
            set
            { 
                CheckSealed();
                _itemBindingGroup = value;
                _itemBindingGroupSet = true;
            } 
        }
 
        #endregion Public Properties 

        #region Internal Properties 

        //--------------------------------------------------------------------
        //
        //  Internal Properties 
        //
        //-------------------------------------------------------------------- 
 
        internal bool IsItemTemplateSet
        { 
            get { return _itemTemplateSet; }
        }

        internal bool IsItemTemplateSelectorSet 
        {
            get { return _itemTemplateSelectorSet; } 
        } 

        internal bool IsItemContainerStyleSet 
        {
            get { return _itemContainerStyleSet; }
        }
 
        internal bool IsItemContainerStyleSelectorSet
        { 
            get { return _itemContainerStyleSelectorSet; } 
        }
 
        internal bool IsItemStringFormatSet
        {
            get { return _itemStringFormatSet; }
        } 

        internal bool IsAlternationCountSet 
        { 
            get { return _alternationCountSet; }
        } 

        internal bool IsItemBindingGroupSet
        {
            get { return _itemBindingGroupSet; } 
        }
 
        #endregion Internal Properties 

        #region Data 

        private BindingBase          _itemsSourceBinding;
        private DataTemplate         _itemTemplate;
        private DataTemplateSelector _itemTemplateSelector; 
        private Style                _itemContainerStyle;
        private StyleSelector        _itemContainerStyleSelector; 
        private string               _itemStringFormat; 
        private int                  _alternationCount;
        private BindingGroup         _itemBindingGroup; 

        private bool                 _itemTemplateSet;
        private bool                 _itemTemplateSelectorSet;
        private bool                 _itemContainerStyleSet; 
        private bool                 _itemContainerStyleSelectorSet;
        private bool                 _itemStringFormatSet; 
        private bool                 _alternationCountSet; 
        private bool                 _itemBindingGroupSet;
 
        #endregion Data
    }
}
 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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HierarchicalDataTemplate.cs source code in C# .NET

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