WindowsSolidBrush.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 / Misc / GDI / WindowsSolidBrush.cs / 1305376 / WindowsSolidBrush.cs
                        

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

#if [....]_NAMESPACE 
namespace System.Windows.Forms.Internal 
#elif DRAWING_NAMESPACE
namespace System.Drawing.Internal 
#else
namespace System.Experimental.Gdi
#endif
{ 
    using System;
    using System.Internal; 
    using System.Runtime.InteropServices; 
    using System.ComponentModel;
    using System.Diagnostics; 
    using System.Drawing;
    using System.Globalization;
    using System.Runtime.Versioning;
 
#if [....]_PUBLIC_GRAPHICS_LIBRARY
    public 
#else 
    internal
#endif 
    sealed class WindowsSolidBrush : WindowsBrush
    {
        [ResourceExposure(ResourceScope.Process)]
        [ResourceConsumption(ResourceScope.Process)] 
        protected override void CreateBrush()
        { 
            IntPtr nativeHandle = IntSafeNativeMethods.CreateSolidBrush(ColorTranslator.ToWin32( this.Color)); 
            if(nativeHandle == IntPtr.Zero) // Don't use Debug.Assert, DbgUtil.GetLastErrorStr would always be evaluated.
            { 
                Debug.Fail("CreateSolidBrush failed : " + DbgUtil.GetLastErrorStr());
            }

            this.NativeHandle = nativeHandle;  // sets the handle value in the base class. 
        }
 
        [ResourceExposure(ResourceScope.Process)] 
        [ResourceConsumption(ResourceScope.Process)]
        public WindowsSolidBrush(DeviceContext dc)  : base(dc) 
        {
            // CreateBrush() on demand.
        }
 
        [ResourceExposure(ResourceScope.Process)]
        [ResourceConsumption(ResourceScope.Process)] 
        public WindowsSolidBrush(DeviceContext dc, Color color) : base( dc, color ) 
        {
            // CreateBrush() on demand. 
        }

        [ResourceExposure(ResourceScope.Process)]
        [ResourceConsumption(ResourceScope.Process)] 
        public override object Clone()
        { 
            return new WindowsSolidBrush(this.DC, this.Color); 
        }
 
        public override string ToString()
        {
            return String.Format( CultureInfo.InvariantCulture, "{0}: Color={1}", this.GetType().Name,  this.Color );
        } 
    }
} 

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

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