C#限制鼠标移动范围.doc

1、1 一个鼠标类#region 一个鼠标类 2 /*/ 3 / Mouse Control 4 / Made by Michael 5 / date 2008-01-30 6 / 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

2、 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 = “SwapMouseBu tton“) 28 internal extern static int SwapMouseButton(int bSwap); 29 30

3、 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

4、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

5、 System.Runtime.InteropServices.DllImport(“user32.dll“, EntryPoint = “GetWindowRe ct“) 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, i

6、nt y); 47 48 System.Runtime.InteropServices.DllImport(“user32.dll“, EntryPoint = “GetSystemMetr ics“) 49 internal extern static int GetSystemMetrics(int nIndex); 50 51 System.Runtime.InteropServices.DllImport(“user32.dll“, EntryPoint = “SetDoubleClic kTime“) 52 internal extern static int SetDoubleCl

7、ickTime(int wCount); 53 54 System.Runtime.InteropServices.DllImport(“user32.dll“, EntryPoint = “GetDoubleClic kTime“) 55 internal extern static int GetDoubleClickTime(); 56 57 System.Runtime.InteropServices.DllImport(“kernel32.DLL“, EntryPoint = “Sleep“) 58 internal extern static void Sleep(int dwMi

8、lliseconds); 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 _POINT

9、API = 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

10、 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 _Scree

11、nRect.left = 0; 113 _ScreenRect.bottom = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea. Bottom; 114 _ScreenRect.right = System.Windows.Forms.Screen.PrimaryScreen.WorkingArea.Ri ght; 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

12、.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 (GetSystemMe

13、trics(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 p

14、ublic 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);