AdjustableArrowCap.cs source code in C# .NET

                        Code:
                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / CommonUI / System / Drawing / Advanced / AdjustableArrowCap.cs / 1 / AdjustableArrowCap.cs
                        
                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

/*************************************************************************\ 
* 
* Copyright (c) 1998-2000, Microsoft Corp.  All Rights Reserved.
* 
* Module Name:
*
*   AdjustableArrowCap.cs
* 
* Abstract:
* 
*   Native GDI+ AdjustableArrowCap structure. 
*
* Revision History: 
*
*   3/14/2k [....]
*       Created it.
* 
\**************************************************************************/
 
namespace System.Drawing.Drawing2D { 

    using Microsoft.Win32; 
    using System;
    using System.ComponentModel;
    using System.Diagnostics;
    using System.Drawing; 
    using System.Drawing.Internal;
    using System.Runtime.InteropServices; 
 
    /// 
    ///  
    ///    Represents an adjustable arrow-shaped line
    ///    cap.
    /// 
    public sealed class AdjustableArrowCap : CustomLineCap { 

        internal AdjustableArrowCap(IntPtr nativeCap) : 
            base(nativeCap) {} 

        ///  
        /// 
        ///    Initializes a new instance of the  class with the specified width and
        ///    height.
        ///  
        public AdjustableArrowCap(float width,
                                  float height) : 
            this(width, height, true) {} 

        ///  
        /// 
        ///    
        ///       Initializes a new instance of the  class with the specified width,
        ///       height, and fill property. 
        ///    
        ///  
        public AdjustableArrowCap(float width, 
                                  float height,
                                  bool isFilled) 
        {
            IntPtr nativeCap = IntPtr.Zero;

            int status = SafeNativeMethods.Gdip.GdipCreateAdjustableArrowCap( 
                                height, width, isFilled, out nativeCap);
 
            if (status != SafeNativeMethods.Gdip.Ok) 
                throw SafeNativeMethods.Gdip.StatusException(status);
 
            SetNativeLineCap(nativeCap);
        }

        private void _SetHeight(float height) 
        {
            int status = SafeNativeMethods.Gdip.GdipSetAdjustableArrowCapHeight(new HandleRef(this, nativeCap), height); 
 
            if (status != SafeNativeMethods.Gdip.Ok)
                throw SafeNativeMethods.Gdip.StatusException(status); 
        }

        private float _GetHeight()
        { 
            float height;
            int status = SafeNativeMethods.Gdip.GdipGetAdjustableArrowCapHeight(new HandleRef(this, nativeCap), out height); 
 
            if (status != SafeNativeMethods.Gdip.Ok)
                throw SafeNativeMethods.Gdip.StatusException(status); 

            return height;
        }
 
        /// 
        ///  
        ///    Gets or sets the height of the arrow cap. 
        /// 
        public float Height 
        {
            get { return _GetHeight(); }
            set { _SetHeight(value); }
        } 

        private void _SetWidth(float width) 
        { 
            int status = SafeNativeMethods.Gdip.GdipSetAdjustableArrowCapWidth(new HandleRef(this, nativeCap), width);
 
            if (status != SafeNativeMethods.Gdip.Ok)
                throw SafeNativeMethods.Gdip.StatusException(status);
        }
 
        private float _GetWidth()
        { 
            float width; 
            int status = SafeNativeMethods.Gdip.GdipGetAdjustableArrowCapWidth(new HandleRef(this, nativeCap), out width);
 
            if (status != SafeNativeMethods.Gdip.Ok)
                throw SafeNativeMethods.Gdip.StatusException(status);

            return width; 
        }
 
        ///  
        /// 
        ///    Gets or sets the width of the arrow cap. 
        /// 
        public float Width
        {
            get { return _GetWidth(); } 
            set { _SetWidth(value); }
        } 
 
        private void _SetMiddleInset(float middleInset)
        { 
            int status = SafeNativeMethods.Gdip.GdipSetAdjustableArrowCapMiddleInset(new HandleRef(this, nativeCap), middleInset);

            if (status != SafeNativeMethods.Gdip.Ok)
                throw SafeNativeMethods.Gdip.StatusException(status); 
        }
 
        private float _GetMiddleInset() 
        {
            float middleInset; 
            int status = SafeNativeMethods.Gdip.GdipGetAdjustableArrowCapMiddleInset(new HandleRef(this, nativeCap), out middleInset);

            if (status != SafeNativeMethods.Gdip.Ok)
                throw SafeNativeMethods.Gdip.StatusException(status); 

            return middleInset; 
        } 

        ///  
        /// 
        ///    
        ///       Gets or set the number of pixels between the outline of the arrow cap and the fill.
        ///     
        /// 
        public float MiddleInset 
        { 
            get { return _GetMiddleInset(); }
            set { _SetMiddleInset(value); } 
        }

        private void _SetFillState(bool isFilled)
        { 
            int status = SafeNativeMethods.Gdip.GdipSetAdjustableArrowCapFillState(new HandleRef(this, nativeCap), isFilled);
 
            if (status != SafeNativeMethods.Gdip.Ok) 
                throw SafeNativeMethods.Gdip.StatusException(status);
        } 

        private bool _IsFilled()
        {
            bool isFilled = false; 
            int status = SafeNativeMethods.Gdip.GdipGetAdjustableArrowCapFillState(new HandleRef(this, nativeCap), out isFilled);
 
            if (status != SafeNativeMethods.Gdip.Ok) 
                throw SafeNativeMethods.Gdip.StatusException(status);
 
            return isFilled;
        }

        ///  
        /// 
        ///    Gets or sets a value indicating whether the 
        ///    arrow cap is filled. 
        /// 
        public bool Filled 
        {
            get { return _IsFilled(); }
            set { _SetFillState(value); }
        } 

    } 
} 

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

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