better-genshin-impact/BetterGenshinImpact/Core/Simulator/PostMessageSimulator.cs

using System;
using System.Threading;
using Vanara.PInvoke;

namespace BetterGenshinImpact.Core.Simulator;

public class PostMessageSimulator
{
    public static readonly uint WM_LBUTTONDOWN = 0x201; //按下鼠标左键

    public static readonly uint WM_LBUTTONUP = 0x202; //释放鼠标左键

    private readonly IntPtr _hWnd;

    public PostMessageSimulator(IntPtr hWnd)
    {
        this._hWnd = hWnd;
    }

    /// <summary>
    /// 指定位置并按下左键
    /// </summary>
    /// <param name="x"></param>
    /// <param name="y"></param>
    public void LeftButtonClick(int x, int y)
    {
        IntPtr p = (y << 16) | x;
        User32.PostMessage(_hWnd, WM_LBUTTONDOWN, IntPtr.Zero, p);
        Thread.Sleep(100);
        User32.PostMessage(_hWnd, WM_LBUTTONUP, IntPtr.Zero, p);
    }

    /// <summary>
    /// 默认位置左键按下
    /// </summary>
    public void LeftButtonDown()
    {
        User32.PostMessage(_hWnd, WM_LBUTTONDOWN, IntPtr.Zero);
    }

    /// <summary>
    /// 默认位置左键释放
    /// </summary>
    public void LeftButtonUp()
    {
        User32.PostMessage(_hWnd, WM_LBUTTONUP, IntPtr.Zero);
    }
}