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108 lines
4.0 KiB
C#
108 lines
4.0 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace POSV
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{
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public class WindowsAPI
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{
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//窗口拖动
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public const int WM_NCLBUTTONDOWN = 0xA1;
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public const int HT_CAPTION = 0x2;
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[DllImport("user32.dll")]
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public static extern int SendMessage(IntPtr hWnd , int Msg , int wParam , int lParam);
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[DllImport("user32.dll")]
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public static extern bool ReleaseCapture();
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public static void MoveWindows(IntPtr handle)
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{
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ReleaseCapture();
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SendMessage(handle , WM_NCLBUTTONDOWN , HT_CAPTION , 0);
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}
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//键盘
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public const uint KEYEVENTF_EXTENDEDKEY = 0x1;
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public const uint KEYEVENTF_KEYUP = 0x2;
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[System.Runtime.InteropServices.DllImport("user32.dll")]
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static extern short GetKeyState(int nVirtKey);
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[System.Runtime.InteropServices.DllImport("user32.dll")]
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static extern void keybd_event(byte bVk , byte bScan , uint dwFlags , uint dwExtraInfo);
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[DllImport("user32.dll")]
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public extern static void mouse_event(int dwFlags , int dx , int dy , int dwData , int dwExtraInfo);
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[DllImport("user32.dll")]
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public extern static bool SetCursorPos(int X , int Y);
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public enum MouseEventFlags
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{
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Move = 0x0001,
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LeftDown = 0x0002,
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LeftUp = 0x0004,
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RightDown = 0x0008,
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RightUp = 0x0010,
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MiddleDown = 0x0020,
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MiddleUp = 0x0040,
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Wheel = 0x0800,
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Absolute = 0x8000
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}
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public enum VirtualKeys : byte
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{
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VK_NUMLOCK = 0x90, //数字锁定键
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VK_SCROLL = 0x91, //滚动锁定
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VK_CAPITAL = 0x14, //大小写锁定
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VK_A = 62
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}
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public static bool GetState(VirtualKeys Key)
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{
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return (GetKeyState((int)Key) == 1);
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}
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public static void SetState(VirtualKeys Key , bool State)
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{
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if (State != GetState(Key))
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{
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keybd_event((byte)Key , 0x45 , KEYEVENTF_EXTENDEDKEY | 0 , 0);
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keybd_event((byte)Key , 0x45 , KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP , 0);
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}
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}
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////开启键盘大写
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//SetState(VirtualKeys.VK_CAPITAL, true);
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////关闭键盘大写
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//SetState(VirtualKeys.VK_CAPITAL, false);
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////开启键盘滚动锁定
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//SetState(VirtualKeys.VK_SCROLL, true);
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////关闭键盘滚动锁定
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//SetState(VirtualKeys.VK_SCROLL, false);
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////开启键盘数字锁定键
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//SetState(VirtualKeys.VK_NUMLOCK, true);
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////关闭键盘数字锁定键
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//SetState(VirtualKeys.VK_NUMLOCK, false);
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public const int WM_SYSCOMMAND = 0x0112;
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public const int SC_CLOSE = 0xF060;
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[System.Runtime.InteropServices.DllImport("user32.dll" , CharSet = System.Runtime.InteropServices.CharSet.Auto , SetLastError = true)]
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public static extern IntPtr FindWindow(String sClassName , String sAppName);
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[System.Runtime.InteropServices.DllImport("user32.dll" , CharSet = System.Runtime.InteropServices.CharSet.Auto , SetLastError = true)]
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public static extern int SendMessage(IntPtr hWnd , uint Msg , int wParam , int lParam);
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[System.Runtime.InteropServices.DllImport("wininet.dll")]
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public extern static bool InternetGetConnectedState(out int description , int reservedValue);
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[DllImport("user32.dll" , CharSet = CharSet.Auto , ExactSpelling = true)]
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public static extern int GetSystemMetrics(int nIndex);
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public bool IsTouchAvailable()
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{
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return ((GetSystemMetrics(0x5e) & 0x40) > 0);
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}
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[DllImport("gdi32.dll", EntryPoint = "AddFontResourceW", SetLastError = true)]
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public static extern int AddFontResource([In][MarshalAs(UnmanagedType.LPWStr)] string lpFileName);
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}
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}
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