Unityの画面の位置や解像度の指定、タイトルバーの消去などを行うユーティリティ

WindowControl.cs

using UnityEngine;
using System.Collections;

using System;
using System.Runtime.InteropServices;

namespace Utils {

    // ここからコードを拝借させてもらいました！
    // http://answers.unity3d.com/questions/13523/is-there-a-way-to-set-the-position-of-a-standalone.html
    // http://stackoverflow.com/questions/2825528/removing-the-title-bar-of-external-application-using-c-sharp

    /*
     * 注意点！
     * 実行するアプリケーションはfullscreenではなく、windowedの状態にしておく必要がある。
     */
    public class WindowControl : MonoBehaviour {

        [SerializeField] string windowName = "ChinaTrust2nd";
        [SerializeField] int x = 0;
        [SerializeField] int y = 0;
        [SerializeField] int width = 1920;
        [SerializeField] int height = 1080;
        [SerializeField] bool hideTitleBar = true;

        [DllImport("user32.dll", EntryPoint = "SetWindowPos")]
        private static extern bool SetWindowPos(IntPtr hWnd, int hWndInsertAfter, int x, int Y, int cx, int cy, int wFlags);

        [DllImport("user32.dll", EntryPoint = "FindWindow")]
        public static extern IntPtr FindWindow(System.String className, System.String windowName);

        // Sets window attributes
        [DllImport("user32.dll")]
        public static extern int SetWindowLong(IntPtr hWnd, int nIndex, int dwNewLong);

        // Gets window attributes
        [DllImport("user32.dll")]
        public static extern int GetWindowLong(IntPtr hWnd, int nIndex);

        // assorted constants needed
        public static int GWL_STYLE = -16;
        public static int WS_CHILD = 0x40000000; //child window
        public static int WS_BORDER = 0x00800000; //window with border
        public static int WS_DLGFRAME = 0x00400000; //window with double border but no title
        public static int WS_CAPTION = WS_BORDER | WS_DLGFRAME; //window with a title bar

        void Awake () {
            var window = FindWindow(null, windowName);
            if(hideTitleBar) {
                int style = GetWindowLong(window, GWL_STYLE);
                SetWindowLong(window, GWL_STYLE, (style & ~WS_CAPTION));
            }
            SetWindowPos(window, 0, x, y, width, height, width * height == 0 ? 1 : 0);
        }

    }

}