Exemple #1
0
    /// <summary>
    /// Gets the window handle for the game view window.
    /// </summary>
    /// <param name="processId">The id of the process that owns the game view window.</param>
    /// <returns>Window handle if the window was found, IntPtr.Zero otherwise.</returns>
    internal static IntPtr GetGameViewWindowHandle(int processId)
    {
        const string GameViewCaption         = "UnityEditor.GameView";
        const string UnityContainerClassName = "UnityContainerWndClass";

        var window = new IntPtr();

        Win32Helpers.EnumWindows(delegate(IntPtr hWnd, IntPtr lParam)
        {
            if (!Win32Helpers.IsWindowVisible(hWnd))
            {
                return(true);
            }

            var windowProcessId = 0;
            Win32Helpers.GetWindowThreadProcessId(hWnd, out windowProcessId);

            if (windowProcessId == processId)
            {
                StringBuilder builder = new StringBuilder(256);
                Win32Helpers.GetClassName(hWnd, builder, 256);

                if (builder.ToString() == UnityContainerClassName)
                {
                    //Ok, we found one of our containers, let's try to find the game view handle among the children
                    Win32Helpers.EnumChildWindows(hWnd, delegate(IntPtr childHwnd, IntPtr childParam)
                    {
                        if (!Win32Helpers.IsWindowVisible(childHwnd))
                        {
                            return(true);
                        }

                        int childLength = Win32Helpers.GetWindowTextLength(childHwnd);
                        if (childLength == 0)
                        {
                            return(true);
                        }

                        StringBuilder childBuilder = new StringBuilder(childLength);
                        Win32Helpers.GetWindowText(childHwnd, childBuilder, childLength + 1);

                        if (childBuilder.ToString() == GameViewCaption)
                        {
                            //Found it!
                            window = childHwnd;
                            return(false);
                        }

                        return(true);
                    },
                                                  IntPtr.Zero);
                }
            }

            return(true);
        }, IntPtr.Zero);

        return(window);
    }