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using anjianjingling.Common;
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using anjianjingling.Native;
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using System.Runtime.InteropServices;
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namespace anjianjingling.Input
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{
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/// <summary>
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/// 系统级键盘模拟（SendInput）：单键、组合键、Unicode 文本。
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/// </summary>
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public sealed class KeyboardInput
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{
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private static void SendKey(Win32.KEYBDINPUT ki)
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{
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var input = new Win32.INPUT
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{
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type = Win32.INPUT_KEYBOARD,
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u = new Win32.INPUTUNION { ki = ki }
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};
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Win32.SendInput(1, new[] { input }, Marshal.SizeOf<Win32.INPUT>());
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}
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/// <summary>发送一次按键（按下并弹起）。</summary>
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public void KeyPress(string keyName)
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{
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ushort vk = ResolveOrThrow(keyName);
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KeyDownVk(vk);
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Thread.Sleep(30);
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KeyUpVk(vk);
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}
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public void KeyDown(string keyName) => KeyDownVk(ResolveOrThrow(keyName));
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public void KeyUp(string keyName) => KeyUpVk(ResolveOrThrow(keyName));
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private static void KeyDownVk(ushort vk)
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{
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ushort scan = (ushort)Win32.MapVirtualKey(vk, Win32.MAPVK_VK_TO_VSC);
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uint flags = Win32.KEYEVENTF_SCANCODE;
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if (VirtualKeys.IsExtended(vk)) flags |= Win32.KEYEVENTF_EXTENDEDKEY;
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SendKey(new Win32.KEYBDINPUT { wVk = vk, wScan = scan, dwFlags = flags });
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}
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private static void KeyUpVk(ushort vk)
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{
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ushort scan = (ushort)Win32.MapVirtualKey(vk, Win32.MAPVK_VK_TO_VSC);
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uint flags = Win32.KEYEVENTF_SCANCODE | Win32.KEYEVENTF_KEYUP;
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if (VirtualKeys.IsExtended(vk)) flags |= Win32.KEYEVENTF_EXTENDEDKEY;
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SendKey(new Win32.KEYBDINPUT { wVk = vk, wScan = scan, dwFlags = flags });
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}
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/// <summary>
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/// 组合键，如 "Ctrl+A"、"Ctrl+Shift+Esc"：修饰键依次按下，主键按下弹起，修饰键逆序弹起。
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/// </summary>
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public void HotKey(string expression)
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{
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var parts = expression.Split('+', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries);
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if (parts.Length == 0) throw new ArgumentException($"无法解析组合键：{expression}");
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var vks = parts.Select(ResolveOrThrow).ToArray();
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for (int i = 0; i < vks.Length - 1; i++) KeyDownVk(vks[i]);
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Thread.Sleep(40);
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KeyDownVk(vks[^1]);
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Thread.Sleep(40);
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KeyUpVk(vks[^1]);
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for (int i = vks.Length - 2; i >= 0; i--)
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{
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Thread.Sleep(20);
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KeyUpVk(vks[i]);
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}
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}
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/// <summary>
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/// 输入整段文本（含中文），使用 KEYEVENTF_UNICODE，不依赖键盘布局。
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/// </summary>
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public void TypeText(string text)
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{
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foreach (char c in text)
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{
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SendKey(new Win32.KEYBDINPUT { wScan = c, dwFlags = Win32.KEYEVENTF_UNICODE });
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SendKey(new Win32.KEYBDINPUT { wScan = c, dwFlags = Win32.KEYEVENTF_UNICODE | Win32.KEYEVENTF_KEYUP });
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}
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}
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private static ushort ResolveOrThrow(string name)
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=> VirtualKeys.Resolve(name)
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?? throw new ArgumentException($"未知按键名：\"{name}\"（可用如 A、F5、ENTER、SPACE、方向键等）");
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}
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}
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@@ -0,0 +1,151 @@
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using anjianjingling.Native;
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using System.Runtime.InteropServices;
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namespace anjianjingling.Input
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{
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public enum MouseButton { Left, Right, Middle }
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/// <summary>
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/// 系统级鼠标模拟（SendInput）。
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/// </summary>
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public sealed class MouseInput
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{
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private static readonly Random Rng = new();
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/// <summary>虚拟桌面（含多显示器）尺寸与原点。</summary>
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private static Rectangle VirtualScreen()
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{
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int x = Win32.GetSystemMetrics(Win32.SM_XVIRTUALSCREEN);
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int y = Win32.GetSystemMetrics(Win32.SM_YVIRTUALSCREEN);
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int w = Win32.GetSystemMetrics(Win32.SM_CXVIRTUALSCREEN);
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int h = Win32.GetSystemMetrics(Win32.SM_CYVIRTUALSCREEN);
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return new Rectangle(x, y, w, h);
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}
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/// <summary>把屏幕物理坐标换算为 SendInput 绝对坐标（0..65535，含虚拟桌面偏移）。</summary>
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private static void ToAbsolute(int x, int y, out int ax, out int ay)
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{
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var vs = VirtualScreen();
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ax = (int)((x - vs.Left) * 65535.0 / (vs.Width - 1));
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ay = (int)((y - vs.Top) * 65535.0 / (vs.Height - 1));
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}
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private static void SendSingle(Win32.MOUSEINPUT mi)
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{
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var input = new Win32.INPUT
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{
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type = Win32.INPUT_MOUSE,
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u = new Win32.INPUTUNION { mi = mi }
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};
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Win32.SendInput(1, new[] { input }, Marshal.SizeOf<Win32.INPUT>());
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}
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/// <summary>移动鼠标到指定屏幕坐标（瞬时）。</summary>
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public void MoveTo(int x, int y)
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{
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ToAbsolute(x, y, out int ax, out int ay);
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SendSingle(new Win32.MOUSEINPUT
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{
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dx = ax,
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dy = ay,
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dwFlags = Win32.MOUSEEVENTF_MOVE | Win32.MOUSEEVENTF_ABSOLUTE | Win32.MOUSEEVENTF_VIRTUALDESK
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});
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}
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/// <summary>相对移动。</summary>
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public void MoveR(int dx, int dy)
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{
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var p = Position;
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MoveTo(p.X + dx, p.Y + dy);
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}
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/// <summary>带随机偏移的移动（拟人化）。</summary>
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public void MoveToJitter(int x, int y, int jitterPx = 3)
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{
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MoveTo(x + Rng.Next(-jitterPx, jitterPx + 1),
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y + Rng.Next(-jitterPx, jitterPx + 1));
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}
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public void ButtonDown(MouseButton button)
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=> SendSingle(new Win32.MOUSEINPUT { dwFlags = button switch
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{
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MouseButton.Left => Win32.MOUSEEVENTF_LEFTDOWN,
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MouseButton.Right => Win32.MOUSEEVENTF_RIGHTDOWN,
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MouseButton.Middle => Win32.MOUSEEVENTF_MIDDLEDOWN,
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_ => throw new ArgumentOutOfRangeException(nameof(button))
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} });
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public void ButtonUp(MouseButton button)
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=> SendSingle(new Win32.MOUSEINPUT { dwFlags = button switch
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{
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MouseButton.Left => Win32.MOUSEEVENTF_LEFTUP,
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MouseButton.Right => Win32.MOUSEEVENTF_RIGHTUP,
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MouseButton.Middle => Win32.MOUSEEVENTF_MIDDLEUP,
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_ => throw new ArgumentOutOfRangeException(nameof(button))
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} });
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/// <summary>在当前位置点击；jitter=true 时落点带 ±3px 随机偏移（仅当指定坐标时）。</summary>
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public void Click(MouseButton button, int? x = null, int? y = null, bool jitter = false)
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{
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if (x.HasValue && y.HasValue)
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{
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if (jitter) MoveToJitter(x.Value, y.Value);
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else MoveTo(x.Value, y.Value);
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Thread.Sleep(60 + Rng.Next(0, 50));
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}
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ButtonDown(button);
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Thread.Sleep(40 + Rng.Next(0, 40));
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ButtonUp(button);
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}
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/// <summary>双击（左键）。</summary>
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public void DoubleClick(int? x = null, int? y = null, bool jitter = false)
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{
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Click(MouseButton.Left, x, y, jitter);
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Thread.Sleep(50 + Rng.Next(0, 60));
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Click(MouseButton.Left);
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}
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/// <summary>滚轮：正值向上滚，负值向下滚，单位为格（每格 120）。</summary>
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public void Wheel(int delta)
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{
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SendSingle(new Win32.MOUSEINPUT
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{
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mouseData = (uint)(delta * Win32.WHEEL_DELTA),
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dwFlags = Win32.MOUSEEVENTF_WHEEL
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});
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}
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/// <summary>从一点拖拽到另一点，按 duration 插值移动，模拟人手。</summary>
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public void Drag(int x1, int y1, int x2, int y2, int durationMs = 400)
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{
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MoveTo(x1, y1);
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Thread.Sleep(100);
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ButtonDown(MouseButton.Left);
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int steps = Math.Max(5, durationMs / 16);
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for (int i = 1; i <= steps; i++)
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{
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double t = (double)i / steps;
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// 轻微非线性，模拟加减速
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double e = t * t * (3 - 2 * t);
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int cx = (int)(x1 + (x2 - x1) * e);
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int cy = (int)(y1 + (y2 - y1) * e);
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MoveTo(cx, cy);
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Thread.Sleep(16);
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}
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Thread.Sleep(80);
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ButtonUp(MouseButton.Left);
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}
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/// <summary>当前鼠标屏幕坐标。</summary>
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public Point Position
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{
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get
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{
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Win32.GetCursorPos(out var p);
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return p;
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}
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}
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}
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}
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