AdjustableArrowCap.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 / CommonUI / System / Drawing / Advanced / AdjustableArrowCap.cs / 1305376 / AdjustableArrowCap.cs

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

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;
    using System.Runtime.Versioning; 
 
    /// 
    ///  
    ///    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.
        ///  
        [ResourceExposure(ResourceScope.Process)]
        [ResourceConsumption(ResourceScope.Process)] 
        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. 
        ///     
        /// 
        [ResourceExposure(ResourceScope.Process)] 
        [ResourceConsumption(ResourceScope.Process)]
        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.
                        

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