SafeNativeMethods.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / System / Design / SafeNativeMethods.cs / 2 / SafeNativeMethods.cs
                        

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

namespace System.Design { 
    using System.Runtime.InteropServices; 
    using System;
    using System.Security.Permissions; 
    using System.Collections;
    using System.IO;
    using System.Text;
 
    [
    System.Security.SuppressUnmanagedCodeSecurityAttribute() 
    ] 
    internal static class SafeNativeMethods {
 
        [DllImport(ExternDll.Gdi32, SetLastError=true, ExactSpelling=true, EntryPoint="DeleteObject", CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern bool DeleteObject(HandleRef hObject);

        [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern int GetMessagePos();
 
        [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern int RegisterWindowMessage(string msg);
 
        [DllImport(ExternDll.Gdi32, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern bool GetTextMetrics(HandleRef hdc, NativeMethods.TEXTMETRIC tm);

        [DllImport(ExternDll.Gdi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern bool BitBlt(IntPtr hDC,int x,int y,int nWidth,int nHeight,IntPtr hSrcDC,int xSrc,int ySrc,int dwRop);
 
        [DllImport(ExternDll.Gdi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern IntPtr CreateSolidBrush(int crColor);
 
        [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern int GetWindowTextLength(HandleRef hWnd);

        [DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern int GetTickCount();
 
        [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern bool RedrawWindow(IntPtr hwnd, NativeMethods.COMRECT rcUpdate, IntPtr hrgnUpdate, int flags);
 
        [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern bool SetWindowPos(IntPtr hWnd, IntPtr hWndInsertAfter,
                                               int x, int y, int cx, int cy, int flags);
 
        [DllImport(ExternDll.User32, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern int DrawText(HandleRef hDC, string lpszString, int nCount, ref NativeMethods.RECT lpRect, int nFormat); 
 
        [DllImport(ExternDll.Gdi32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern IntPtr SelectObject(HandleRef hDC, HandleRef hObject); 

        [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public extern static bool IsChild(HandleRef parent, HandleRef child);
 

        // this is a wrapper that comctl exposes for the NT function since it doesn't exist natively on 95. 
        [DllImport(ExternDll.Comctl32, ExactSpelling=true)] 
        private static extern bool _TrackMouseEvent(NativeMethods.TRACKMOUSEEVENT tme);
        public static bool TrackMouseEvent(NativeMethods.TRACKMOUSEEVENT tme) { 
            // only on NT - not on 95 - comctl32 has a wrapper for 95 and NT.
            return _TrackMouseEvent(tme);
        }
 
        [DllImport(ExternDll.Kernel32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern int GetCurrentProcessId(); 
 
        [DllImport(ExternDll.Gdi32, ExactSpelling=true, CharSet=CharSet.Auto)]
        public static extern bool RoundRect(HandleRef hDC, int left, int top, int right, int bottom, int width, int height); 

        [DllImport(ExternDll.Gdi32, ExactSpelling=true, CharSet=CharSet.Auto)]
        public static extern bool Rectangle(HandleRef hdc, int left, int top, int right, int bottom);
 
        [DllImport(ExternDll.Gdi32, ExactSpelling=true, EntryPoint="CreatePen", CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        private static extern IntPtr IntCreatePen(int nStyle, int nWidth, int crColor); 
        public static IntPtr CreatePen(int nStyle, int nWidth, int crColor) { 
            return System.Internal.HandleCollector.Add(IntCreatePen(nStyle, nWidth, crColor), NativeMethods.CommonHandles.GDI);
        } 

        //--------Added because of VSWhidbey 581670-----------------------------------------------------
        // Investigate removing this if the duplicate code in OleDragDropHandler.cs is removed
        [DllImport(ExternDll.Gdi32, SetLastError = true, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern int SetROP2(HandleRef hDC, int nDrawMode);
 
        [DllImport(ExternDll.Gdi32, SetLastError = true, ExactSpelling = true, CharSet = System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern int SetBkColor(HandleRef hDC, int clr);
        //--------Added because of VSWhidbey 581670----------------------------------------------------- 

        //[....] Nov 1, 2004: Removed
 	/*
 
        [DllImport(ExternDll.Gdi32, ExactSpelling=true, CharSet=CharSet.Auto)]
        public static extern bool Ellipse(HandleRef hDC, int left, int top, int right, int bottom); 
 

        [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=CharSet.Auto)] 
        public static extern IntPtr GetSysColorBrush(int nIndex);

        [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)]
        public static extern bool MessageBeep(int type); 

        [DllImport(ExternDll.User32, ExactSpelling=true, CharSet=System.Runtime.InteropServices.CharSet.Auto)] 
        public static extern bool RedrawWindow(IntPtr hwnd, ref NativeMethods.RECT rcUpdate, IntPtr hrgnUpdate, int flags); 

 
	*/

    }
} 

// 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