一个鼠标类(Using C# and Win32API)

作者：网际浪子 关键字:C# Win32API 鼠标

namespace ClassLibrary.Hardware
{
    // 原创 Using C# and Win32API(最近我把所有的Win32API看了1遍 很是过瘾) 
    public class Mouse
    {
        internal const byte SM_MOUSEPRESENT = 19;
        internal const byte SM_CMOUSEBUTTONS = 43;
        internal const byte SM_MOUSEWHEELPRESENT = 75;

        internal struct POINTAPI
        {
            internal int x;
            internal int y;
        }

        internal struct RECT
        {
            internal int left;
            internal int top;
            internal int right;
            internal int bottom;
        }

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "SwapMouseButton")]
        internal extern static int SwapMouseButton(int bSwap);

        [System.Runtime.InteropServices.DllImport("user32", EntryPoint = "ClipCursor")]
        internal extern static int ClipCursor(ref RECT lpRect);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetCursorPos")]
        internal extern static int GetCursorPos(ref POINTAPI lpPoint);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "ShowCursor")]
        internal extern static bool ShowCursor(bool bShow);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "EnableWindow")]
        internal extern static int EnableWindow(int hwnd, int fEnable);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetWindowRect")]
        internal extern static int GetWindowRect(int hwnd, ref RECT lpRect);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "SetCursorPos")]
        internal extern static int SetCursorPos(int x, int y);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetSystemMetrics")]
        internal extern static int GetSystemMetrics(int nIndex);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "SetDoubleClickTime")]
        internal extern static int SetDoubleClickTime(int wCount);

        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetDoubleClickTime")]
        internal extern static int GetDoubleClickTime();

        [System.Runtime.InteropServices.DllImport("kernel32.DLL", EntryPoint = "Sleep")]
        internal extern static void Sleep(int dwMilliseconds);

        //得到鼠标相对与全屏的坐标，不是相对与你的Form的，且与你的分辨率有关系
        public static int FullScreenPosition_X
        {
            get
            {
                POINTAPI _POINTAPI = new POINTAPI();
                GetCursorPos(ref _POINTAPI);
                return _POINTAPI.x;
            }
        }

        public static int FullScreenPosition_Y
        {
            get
            {
                POINTAPI _POINTAPI = new POINTAPI();
                GetCursorPos(ref _POINTAPI);
                return _POINTAPI.y;
            }
        }

        // 隐藏 显示 鼠标
        public static void Hide()
        {
            ShowCursor(false);
        }

        public static void Show()
        {
            ShowCursor(true);
        }

        // 将鼠标锁定在你的Form里 不过你得将你的Form先锁了,Form Resize 就失效了
        public static void Lock(System.Windows.Forms.Form ObjectForm)
        {
            RECT _FormRect = new RECT();
            GetWindowRect(ObjectForm.Handle.ToInt32(), ref _FormRect);
            ClipCursor(ref _FormRect);
        }

        public static void UnLock()
        {
            RECT _ScreenRect = new RECT();

            _ScreenRect.top = 0;
            _ScreenRect.left = 0;
            _ScreenRect.bottom = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea.Bottom;
            _ScreenRect.right = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea.Right;

            ClipCursor(ref _ScreenRect);
        }

        // 鼠标失效,不过失效的好像不只是鼠标,小心哦
        public static void Disable(System.Windows.Forms.Form ObjectForm)
        {
            EnableWindow(ObjectForm.Handle.ToInt32(), 0);
        }

        public static void Enable(System.Windows.Forms.Form ObjectForm)
        {
            EnableWindow(ObjectForm.Handle.ToInt32(), 1);
        }

        // 鼠标自己移动 很想动画哦 参数是2个控件的handle
        // 看这个方法前，先用凉水擦把脸。。。 反正我写的时候 头晕
        public static void Move(int From_Handle_ToInt32, int To_Handle_ToInt32)
        {
            RECT rectFrom = new RECT();
            RECT rectTo = new RECT();

            int i;

            GetWindowRect(From_Handle_ToInt32, ref rectFrom);
            GetWindowRect(To_Handle_ToInt32, ref rectTo);

            if ((rectFrom.left + rectFrom.right) / 2 - (rectTo.left + rectTo.right) / 2 > 0)
            {
                for (i = (rectFrom.left + rectFrom.right) / 2; i >= (rectTo.left + rectTo.right) / 2; i--)
                {
                    SetCursorPos(i, (rectFrom.top + rectFrom.bottom) / 2);
                    Sleep(1);
                }
            }
            else
            {
                for (i = (rectFrom.left + rectFrom.right) / 2; i <= (rectTo.left + rectTo.right) / 2; i++)
                {
                    SetCursorPos(i, (rectFrom.top + rectFrom.bottom) / 2);
                    Sleep(1);
                }
            }

            if ((rectFrom.top + rectFrom.bottom) / 2 - (rectTo.top + rectTo.bottom) / 2 > 0)
            {
                for (i = (rectFrom.top + rectFrom.bottom) / 2; i >= (rectTo.top + rectTo.bottom) / 2; i--)
                {
                    SetCursorPos((rectTo.left + rectTo.right) / 2, i);
                    Sleep(1);
                }
            }
            else
            {
                for (i = (rectFrom.top + rectFrom.bottom) / 2; i <= (rectTo.top + rectTo.bottom) / 2; i++)
                {
                    SetCursorPos((rectTo.left + rectTo.right) / 2, i);
                    Sleep(1);
                }
            }
        }

        // 得到你的鼠标类型
        public static string Type
        {
            get
            {
                if (GetSystemMetrics(SM_MOUSEPRESENT) == 0)
                {
                    return "本计算机尚未安装鼠标";
                }
                else
                {
                    if (GetSystemMetrics(SM_MOUSEWHEELPRESENT) != 0)
                    {
                        return GetSystemMetrics(SM_CMOUSEBUTTONS) + "键滚轮鼠标";
                    }
                    else
                    {
                        return GetSystemMetrics(SM_CMOUSEBUTTONS) + "键鼠标";
                    }
                }
            }
        }

        // 设置鼠标双击时间
        public static void DoubleClickTime_Set(int MouseDoubleClickTime)
        {
            SetDoubleClickTime(MouseDoubleClickTime);
        }

        public static string DoubleClickTime_Get()
        {
            return GetDoubleClickTime().ToString();
        }

        // 设置鼠标默认主键 我是没有见过谁左手用鼠标
        public static void DefaultRightButton()
        {
            SwapMouseButton(1);
        }

        public static void DefaultLeftButton()
        {
            SwapMouseButton(0);
        }
    }
}

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来源：UNCJ.NET
阅读：206 次
日期：2003-7-11