TableLayoutStyleCollection.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / WinForms / Managed / System / WinForms / TableLayoutStyleCollection.cs / 1 / TableLayoutStyleCollection.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Windows.Forms { 
    using System; 
    using System.Collections;
    using System.ComponentModel; 
    using System.ComponentModel.Design.Serialization;
    using System.Diagnostics;
    using System.Drawing;
    using System.Drawing.Design; 
    using System.Globalization;
    using System.Windows.Forms.Layout; 
    using System.Reflection; 

    ///  
    [Editor("System.Windows.Forms.Design.StyleCollectionEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor))]
    public abstract class TableLayoutStyleCollection : IList {
        private IArrangedElement _owner;
        private ArrayList _innerList = new ArrayList(); 

        internal TableLayoutStyleCollection(IArrangedElement owner) { 
            _owner = owner; 
        }
 
        internal IArrangedElement Owner {
            get { return _owner; }
        }
        internal virtual string PropertyName { 
            get { return null; }
        } 
 
        /// 
        ///  
        int IList.Add(object style) {
            EnsureNotOwned((TableLayoutStyle)style);
            ((TableLayoutStyle)style).Owner = this.Owner;
            int index = _innerList.Add(style); 
            PerformLayoutIfOwned();
            return index; 
        } 

        ///  
        /// 
        public int Add(TableLayoutStyle style) {
            return ((IList)this).Add(style);
        } 

 
        ///  
        /// 
        void IList.Insert(int index, object style) { 
            EnsureNotOwned((TableLayoutStyle)style);
            ((TableLayoutStyle)style).Owner = this.Owner;
            _innerList.Insert(index, style);
            PerformLayoutIfOwned(); 

        } 
 
        /// 
        ///  
        object IList.this[int index] {
            get { return _innerList[index]; }
            set {
                TableLayoutStyle style = (TableLayoutStyle) value; 
                EnsureNotOwned(style);
                style.Owner = this.Owner; 
                _innerList[index] = style; 
                PerformLayoutIfOwned();
            } 
        }

        /// 
        ///  
        public TableLayoutStyle this[int index] {
            get { return (TableLayoutStyle)((IList)this)[index]; } 
            set { ((IList)this)[index] = value; } 
        }
 
        /// 
        /// 
        void IList.Remove(object style) {
            ((TableLayoutStyle)style).Owner = null; 
            _innerList.Remove(style);
            PerformLayoutIfOwned(); 
        } 

        ///  
        public void Clear() {
            foreach(TableLayoutStyle style in _innerList) {
                style.Owner = null;
            } 
            _innerList.Clear();
            PerformLayoutIfOwned(); 
        } 

        ///  
        public void RemoveAt(int index) {
            TableLayoutStyle style = (TableLayoutStyle) _innerList[index];
            style.Owner = null;
            _innerList.RemoveAt(index); 
            PerformLayoutIfOwned();
        } 
 
        // These methods just forward to _innerList.
        bool IList.Contains(object style) { return _innerList.Contains(style); } 
        int IList.IndexOf(object style) { return _innerList.IndexOf(style); }

        // These properties / methods just forward to _innerList and are item-type agnostic.
        bool IList.IsFixedSize { get {return _innerList.IsFixedSize;} } 
        bool IList.IsReadOnly { get {return _innerList.IsReadOnly;} }
        void ICollection.CopyTo(System.Array array, int startIndex) { _innerList.CopyTo(array, startIndex); } 
 
        /// 
        public int Count { get { return _innerList.Count; }} 
        bool ICollection.IsSynchronized { get{ return _innerList.IsSynchronized; }}
        object ICollection.SyncRoot { get { return _innerList.SyncRoot; }}
        IEnumerator IEnumerable.GetEnumerator() { return _innerList.GetEnumerator(); }
 
        private void EnsureNotOwned(TableLayoutStyle style) {
            if(style.Owner != null) { 
                throw new ArgumentException(SR.GetString(SR.OnlyOneControl, style.GetType().Name), "style"); 
            }
        } 
        internal void EnsureOwnership(IArrangedElement owner) {
            _owner = owner;
            for (int i = 0; i < Count; i++) {
               this[i].Owner = owner; 
            }
        } 
        private void PerformLayoutIfOwned() { 
            if (this.Owner != null) {
                LayoutTransaction.DoLayout(this.Owner, this.Owner, PropertyName); 
            }
        }
    }
} 


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

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