win32.cs

c#代码

        [DllImport(USER32)]
        public static extern int GetDC(IntPtr hWnd);

        [DllImport(USER32)]
        public static extern bool ReleaseDC(IntPtr hWnd, int hDC);

        public delegate void TimerProc(IntPtr hWnd, uint nMsg, int nIDEvent, int dwTime);
        [DllImport(USER32)]
        public static extern int SetTimer(IntPtr hWnd, int nIDEvent, int uElapse, TimerProc callback);

        [DllImport(USER32)]
        public static extern bool KillTimer(IntPtr hWnd, int nIDEvent);

        [DllImport(USER32)]
        public static extern bool GetWindowRect(IntPtr hWnd, ref RECT rw);

        [DllImport(USER32)]
        public static extern bool GetClientRect(IntPtr hWnd, ref RECT rc);

        [DllImport(USER32, EntryPoint = "PostMessageA")] // Win32 encapsulation
        public static extern int PostMessage(IntPtr hWnd, uint dwMsg, uint wParam, int lParam);

        [DllImport(USER32)]
        public static extern bool SetLayeredWindowAttributes(IntPtr hWnd, int crKey, byte bAlpha, int dwFlags);

        [DllImport(USER32)]
        public static extern IntPtr GetDesktopWindow();

        [DllImport(USER32)]
        public static extern bool MoveWindow(IntPtr hWnd, int x, int y, int nWidth, int nHeight, bool bRepaint);

        [DllImport(USER32)]
        public static extern bool SetWindowPos(
            IntPtr hWnd,               // window handle
            IntPtr hWndInsertAfter,    // placement-order handle
            int X,                     // horizontal position
            int Y,                     // vertical position
            int cx,                    // width
            int cy,                    // height
            uint uFlags);              // window positioning flags

        [DllImport(USER32)]
        public static extern bool IsWindow(IntPtr hWnd);

        [DllImport(USER32, EntryPoint = "GetClassLongA")]
        public static extern int GetClassLong(IntPtr hWnd, int nIndex);

        [DllImport(USER32, EntryPoint = "SetClassLongA")]
        public static extern int SetClassLong(IntPtr hWnd, int nIndex, int lNewLong);

        [DllImport(USER32)] // Win32 encapsulation
        public static extern bool GetWindowRgn(IntPtr hWnd, IntPtr hRgn);

        [DllImport(GDI32)] // Win32 encapsulation
        public static extern IntPtr CreateRectRgn(int x1, int y1, int x2, int y2);

        [DllImport(USER32)] // Win32 encapsulation
        public static extern bool SetWindowRgn(IntPtr hWnd, IntPtr hRgn, bool bRedraw);

        [DllImport(GDI32)]  // Win32 encapsulation
        public static extern bool OffsetRgn(IntPtr hRgn, int x, int y);

        [DllImport(GDI32)]  // Win32 encapsulation
        public static extern bool DeleteObject(IntPtr hObject);

        [DllImport(GDI32)]  // Win32 encapsulation
        public static extern bool CombineRgn(IntPtr hDestRgn, IntPtr hSrcRgn1, IntPtr hSrcRgn2, int nCombineMode);

        [DllImport(KERNEL32)]
        public static extern bool GetVersionEx(ref OSVERSIONINFOEX o);

        unsafe public static int GetOsVersion()
        {
            OSVERSIONINFOEX os = new OSVERSIONINFOEX();
            int nRet = 0;
            os.dwOSVersionInfoSize = Marshal.SizeOf(typeof(OSVERSIONINFOEX)); // SIZEOF
            if (GetVersionEx(ref os))
            {
                switch (os.dwPlatformId)
                {
                    case 1:
                        nRet = os.dwPlatformId;
                        switch (os.dwMinorVersion)
                        {
                            case 0: nRet = 95;   // 95
                                break;
                            case 10: nRet = 98;  // 98
                                break;
                            case 90: nRet = 100; // ME
                                break;
                        }
                        break;
                    case 2:
                        nRet = os.dwPlatformId;
                        switch (os.dwMajorVersion)
                        {
                            case 3: nRet = 351; // NT 3.51
                                break;
                            case 4: nRet = 400; // NT 4.0
                                break;
                            case 5:
                                nRet = 500;     // 2000
                                if (os.dwMinorVersion == 1)
                                {
                                    nRet = 501; // XP
                                }
                                break;
                            case 6:
                                nRet = 600;     // VISTA
                                break;
                        }
                        break;
                    default:
                        nRet = -1;
                        break;
                }
            }
            return nRet;
        }

        // Using Drop Shadow slows down display when using large window.
        public static void UseDropShadow(IntPtr hWnd)
        {
            // Get the Operating System 
            if (GetOsVersion() > 499)
            { // OS NT only
                if (IsWindow(hWnd))
                {
                    int GCL_STYLE = -26;
                    int CS_DROPSHADOW = 131072;
                    int ClassLong = GetClassLong(hWnd, GCL_STYLE);
                    if ((ClassLong & CS_DROPSHADOW) == 0)
                    {
                        ClassLong += CS_DROPSHADOW;
                        SetClassLong(hWnd, GCL_STYLE, ClassLong);
                    }
                }

                //int WS_EX_COMPOSITED = 0x02000000;
                //int GWL_EXSTYLE = -20;
                //int WindowLong = GetWindowLong(hWnd, GWL_EXSTYLE);
                //SetWindowLong(hWnd, GWL_EXSTYLE, WindowLong | WS_EX_COMPOSITED);
            }
        }

        public static void ButtonClick(IntPtr hButton)
        {
            PostMessage(hButton, WM_LBUTTONDOWN, 0, 0);
            PostMessage(hButton, WM_LBUTTONUP, 0, 0);
        }

        [DllImport(USER32, EntryPoint = "GetWindowLongA")]
        public static extern int GetWindowLong(IntPtr hWnd, int nIndex);

        [DllImport(USER32, EntryPoint = "SetWindowLongA")]
        public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int lNewLong);

        [DllImport(USER32, EntryPoint = "SendMessageA")]
        public static extern int SendMessage(IntPtr hWnd, int dwMsg, uint wParam, int lParam);

        [DllImport(USER32, EntryPoint = "CallWindowProcA")]
        public static extern int CallWindowProc(int lpPrevWndFunc, IntPtr hWnd, int uMsg, uint wParam, uint lParam);

        //[DllImport(USER32)]
        //public static extern bool InvalidateRect(IntPtr hWnd, int lprec, int erase);

        //[DllImport(USER32)]
        //public static extern bool UpdateWindow(IntPtr hWnd);

        //[DllImport(USER32, EntryPoint = "SendMessageA")] // Win32 encapsulation
        //public static extern int SendMessage(IntPtr hWnd, uint dwMsg, uint wParam, int lParam);

        //[DllImport(USER32)] // Win32 encapsulation
        //private static extern IntPtr GetSysColorBrush(int nIndex);

        //[DllImport(USER32, EntryPoint = "SetWindowTextA")]
        //public static extern int SetWindowText(IntPtr hWnd, string lpString);

        //[DllImport(KERNEL32, EntryPoint = "GetModuleHandleA")]
        //public static extern IntPtr GetModuleHandle(string lpModuleName);

        [DllImport(USER32)]
        public static extern bool ShowWindow(IntPtr hWnd, int nCmdShow);

        [DllImport(USER32)]
        public static extern IntPtr GetForegroundWindow();

        [DllImport(USER32)]
        public static extern IntPtr SetFocus(IntPtr hWnd);

        [DllImport(USER32)]
        public static extern IntPtr GetFocus();

    }
}