知识点滴(一) c#副屏设置以及读写ini文件的方法

                //获取屏幕集合                Screen[] screens = Screen.AllScreens;                //读取ini文件                StringBuilder temp = new StringBuilder(500);                string path = Application.StartupPath + @"\config\system.ini";                //副屏                XMLHelper.GetPrivateProfileString("system", "SecScreen", "", temp, 500, path);                int iSecScreen = int.Parse(temp.ToString());                //副屏上一个屏                int iSecScreenPre = iSecScreen >= 1 ? iSecScreen - 1 : 0;                //主屏                XMLHelper.GetPrivateProfileString("system", "MainScreen", "", temp, 500, path);                int iMainScreen = int.Parse(temp.ToString());                //主屏上一个屏                int iMainScreenPre = iMainScreen >=1 ? iMainScreen - 1 : 0;                //1、开启副屏                 if (strisdual == "0" && screens.Length > 1)                {                    OtherForm.Size = new Size(screens[iSecScreen].Bounds.Width, screens[iSecScreen].Bounds.Height);                    OtherForm.Left = iSecScreen == 0 ? 0 : screens[iSecScreenPre].Bounds.Width;                    //OtherForm.Left = screens[iSecScreen].Bounds.Left;                    this.Size = new Size(screens[iMainScreen].Bounds.Width, screens[iMainScreen].Bounds.Height);                    this.Left = iMainScreen == 0 ? 0 : screens[iMainScreenPre].Bounds.Width;                }                else                {                   //nothing                }                /*扩展知识*/                //读取ini文件api                [DllImport("kernel32")]                public static extern int GetPrivateProfileString(string section, string key, string defVal, StringBuilder retVal, int size, string filePath);                                 //写入ini文件api                example: XMLHelper.WritePrivateProfileString("parameter", "port", this.txtport.Text, path);                [DllImport("kernel32")]                public static extern long WritePrivateProfileString(string section, string key, string val, string filePath);