UIPropertyMetadata.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / WIN_WINDOWS / lh_tools_devdiv_wpf / Windows / wcp / Core / System / Windows / UIPropertyMetadata.cs / 1 / UIPropertyMetadata.cs
                        

                        
                            using MS.Utility; 
using System;
using System.Collections.Generic;

using SR=MS.Internal.PresentationCore.SR; 
using SRID=MS.Internal.PresentationCore.SRID;
 
namespace System.Windows 
{
    ///  
    ///     Metadata for supported UI features
    /// 
    public class UIPropertyMetadata : PropertyMetadata
    { 
        /// 
        ///     UI metadata construction 
        ///  
        public UIPropertyMetadata() :
            base() 
        {
        }

        ///  
        ///     UI metadata construction
        ///  
        /// Default value of property 
        public UIPropertyMetadata(object defaultValue) :
            base(defaultValue) 
        {
        }

        ///  
        ///     UI metadata construction
        ///  
        /// Called when the property has been changed 
        public UIPropertyMetadata(PropertyChangedCallback propertyChangedCallback) :
            base(propertyChangedCallback) 
        {
        }

        ///  
        ///     UI metadata construction
        ///  
        /// Default value of property 
        /// Called when the property has been changed
        public UIPropertyMetadata(object defaultValue, 
                                  PropertyChangedCallback propertyChangedCallback) :
            base(defaultValue, propertyChangedCallback)
        {
        } 

        ///  
        ///     UI metadata construction 
        /// 
        /// Default value of property 
        /// Called when the property has been changed
        /// Called on update of value
        public UIPropertyMetadata(object defaultValue,
                                PropertyChangedCallback propertyChangedCallback, 
                                CoerceValueCallback coerceValueCallback) :
            base(defaultValue, propertyChangedCallback, coerceValueCallback) 
        { 
        }
 
        /// 
        ///     UI metadata construction
        /// 
        /// Default value of property 
        /// Called when the property has been changed
        /// Called on update of value 
        /// Should animation be prohibited? 
        public UIPropertyMetadata(object defaultValue,
                                PropertyChangedCallback propertyChangedCallback, 
                                CoerceValueCallback coerceValueCallback,
                                bool isAnimationProhibited) :
            base(defaultValue, propertyChangedCallback, coerceValueCallback)
        { 
            WriteFlag(MetadataFlags.UI_IsAnimationProhibitedID, isAnimationProhibited);
        } 
 

        ///  
        ///     Creates a new instance of this property metadata.  This method is used
        ///     when metadata needs to be cloned.  After CreateInstance is called the
        ///     framework will call Merge to merge metadata into the new instance.
        ///     Deriving classes must override this and return a new instance of 
        ///     themselves.
        ///  
        internal override PropertyMetadata CreateInstance() { 
            return new UIPropertyMetadata();
        } 

        /// 
        /// Set this to true for a property for which animation should be
        /// prohibited. This should not be set unless there are very strong 
        /// technical reasons why a property can not be animated. In the
        /// vast majority of cases, a property that can not be properly 
        /// animated means that the property implementation contains a bug. 
        /// 
        public bool IsAnimationProhibited 
        {
            get
            {
                return ReadFlag(MetadataFlags.UI_IsAnimationProhibitedID); 
            }
            set 
            { 
                if (Sealed)
                { 
                    throw new InvalidOperationException(SR.Get(SRID.TypeMetadataCannotChangeAfterUse));
                }

                WriteFlag(MetadataFlags.UI_IsAnimationProhibitedID, value); 
            }
        } 
    } 
}
 

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

Link Menu

Network programming in C#, Network Programming in VB.NET, Network Programming in .NET
This book is available now!
Buy at Amazon US or
Buy at Amazon UK