限制鼠标移动范围［类］

工作需要，须限制鼠标移动范围，类如下：

  1 一个鼠标类#region 一个鼠标类   
  2    /**//// <summary>
  3    /// Mouse Control
  4    /// Made by Michael
  5    /// date 2008-01-30
  6    /// </summary>
  7    class Mouse
  8    {
  9        internal const byte SM_MOUSEPRESENT = 19;
 10        internal const byte SM_CMOUSEBUTTONS = 43;
 11        internal const byte SM_MOUSEWHEELPRESENT = 75;
 12
 13        internal struct POINTAPI
 14        {
 15            internal int x;
 16            internal int y;
 17        }
 18
 19        internal struct RECT
 20        {
 21            internal int left;
 22            internal int top;
 23            internal int right;
 24            internal int bottom;
 25        }
 26
 27        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "SwapMouseButton")]
 28        internal extern static int SwapMouseButton(int bSwap);
 29
 30        [System.Runtime.InteropServices.DllImport("user32", EntryPoint = "ClipCursor")]
 31        internal extern static int ClipCursor(ref   RECT lpRect);
 32
 33        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetCursorPos")]
 34        internal extern static int GetCursorPos(ref   POINTAPI lpPoint);
 35
 36        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "ShowCursor")]
 37        internal extern static bool ShowCursor(bool bShow);
 38
 39        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "EnableWindow")]
 40        internal extern static int EnableWindow(int hwnd, int fEnable);
 41
 42        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetWindowRect")]
 43        internal extern static int GetWindowRect(int hwnd, ref   RECT lpRect);
 44
 45        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "SetCursorPos")]
 46        internal extern static int SetCursorPos(int x, int y);
 47
 48        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetSystemMetrics")]
 49        internal extern static int GetSystemMetrics(int nIndex);
 50
 51        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "SetDoubleClickTime")]
 52        internal extern static int SetDoubleClickTime(int wCount);
 53
 54        [System.Runtime.InteropServices.DllImport("user32.dll", EntryPoint = "GetDoubleClickTime")]
 55        internal extern static int GetDoubleClickTime();
 56
 57        [System.Runtime.InteropServices.DllImport("kernel32.DLL", EntryPoint = "Sleep")]
 58        internal extern static void Sleep(int dwMilliseconds);
 59
 60        //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  
 61
 62        public static int FullScreenPosition_X
 63        {
 64            get
 65            {
 66                POINTAPI _POINTAPI = new POINTAPI();
 67
 68                GetCursorPos(ref   _POINTAPI);
 69
 70                return _POINTAPI.x;
 71            }
 72        }
 73
 74        public static int FullScreenPosition_Y
 75        {
 76            get
 77            {
 78                POINTAPI _POINTAPI = new POINTAPI();
 79
 80                GetCursorPos(ref   _POINTAPI);
 81
 82                return _POINTAPI.y;
 83            }
 84        }
 85
 86        //隐藏 显示 鼠标  
 87        public static void Hide()
 88        {
 89            ShowCursor(false);
 90        }
 91
 92        public static void Show()
 93        {
 94            ShowCursor(true);
 95        }
 96
 97        //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 
 98        public static void Lock(System.Windows.Forms.Form ObjectForm)
 99        {
100            RECT _FormRect = new RECT();
101
102            GetWindowRect(ObjectForm.Handle.ToInt32(), ref   _FormRect);
103
104            ClipCursor(ref   _FormRect);
105        }
106
107        public static void UnLock()
108        {
109            RECT _ScreenRect = new RECT();
110
111            _ScreenRect.top = 0;
112            _ScreenRect.left = 0;
113            _ScreenRect.bottom = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea.Bottom;
114            _ScreenRect.right = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea.Right;
115
116            ClipCursor(ref   _ScreenRect);
117        }
118
119        //鼠标失效,不过失效的好像不只是鼠标,小心哦 
120        public static void Disable(System.Windows.Forms.Form ObjectForm)
121        {
122            EnableWindow(ObjectForm.Handle.ToInt32(), 0);
123        }
124
125        public static void Enable(System.Windows.Forms.Form ObjectForm)
126        {
127            EnableWindow(ObjectForm.Handle.ToInt32(), 1);
128        }
129        //   得到你的鼠标类型  
130        public static string Type
131        {
132            get
133            {
134                if (GetSystemMetrics(SM_MOUSEPRESENT) == 0)
135                {
136                    return "本计算机尚未安装鼠标";
137                }
138                else
139                {
140                    if (GetSystemMetrics(SM_MOUSEWHEELPRESENT) != 0)
141                    {
142                        return GetSystemMetrics(SM_CMOUSEBUTTONS) + "键滚轮鼠标";
143                    }
144                    else
145                    {
146                        return GetSystemMetrics(SM_CMOUSEBUTTONS) + "键鼠标";
147                    }
148                }
149            }
150        }
151
152        //   设置鼠标双击时间
153        public static void DoubleClickTime_Set(int MouseDoubleClickTime)
154        {
155            SetDoubleClickTime(MouseDoubleClickTime);
156        }
157
158        public static string DoubleClickTime_Get()
159        {
160            return GetDoubleClickTime().ToString();
161        }
162
163        //设置鼠标默认主键  
164        public static void DefaultRightButton()
165        {
166            SwapMouseButton(1);
167        }
168
169        public static void DefaultLeftButton()
170        {
171            SwapMouseButton(0);
172        }
173    }

调用如下：

1          //锁窗体
2            Mouse.Lock(this);
3            //锁光标
4            Mouse.Disable(this);