NwndGrabber.cs

...
var window = uwcWinObj.window;
var localPos = uwcWinObj.transform.InverseTransformPoint(targetHit_.point);
var windowLocalX = (int)((localPos.x + 0.5f) * window.width);
var windowLocalY = (int)((0.5f - localPos.y) * window.height);
var desktopX = window.x + windowLocalX;
var desktopY = window.y + windowLocalY;
var coord = new Vector2(desktopX, desktopY);

NwndWin32API.SetForegroundWindow(window.handle);
NwndWin32API.SetFocus(window.handle);

if (isStickClicked_) {
    touchDispatcher.Touch(coord);
} else if (isStickTouched_) {
    touchDispatcher.Hover(coord);
}
...

NwndWin32API.cs

using System;
using System.Runtime.InteropServices;

namespace NWindow
{

public static class NwndWin32API
{
    public const uint WM_LBUTTONDOWN = 0x201;
    public const uint WM_LBUTTONUP = 0x202;
    public const uint MK_LBUTTON = 0x0001;

    [DllImport("user32.dll")]
    public static extern int SetFocus(IntPtr hWnd);

    [DllImport("user32.dll")]
    public static extern int SetForegroundWindow(IntPtr hWnd);

    [DllImport("user32.dll")]
    public static extern int SendMessage(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);

    [DllImport("user32.dll")]
    public static extern int PostMessage(IntPtr hWnd, uint msg, IntPtr wParam, IntPtr lParam);

    [DllImport("user32.dll", SetLastError = true)]
    static extern IntPtr FindWindow(string lpClassName, string lpWindowName);

    public static IntPtr MakeLParam(int x, int y)
    {
        return (IntPtr)((y << 16) | (x & 0xffff));
    }

    public static void SendMouseClick(IntPtr hWnd, int x, int y)
    {
        var lParam = MakeLParam(x, y);
        SetForegroundWindow(hWnd);
        SetFocus(hWnd);
        SendMessage(hWnd, WM_LBUTTONDOWN, new IntPtr(MK_LBUTTON), lParam);
        SendMessage(hWnd, WM_LBUTTONUP, new IntPtr(MK_LBUTTON), lParam);
    }
}

}

Hello, great job. I would like to know how do uWindowCapture + VR. Can you help me please ?