تغییر دقت صفحه ی نمایش در سی شارپ

چطور میتونم با #Cدقت صفحه نمایش رو تغییر بدم لطفاً کد مربوطه رو هم بگین ممنون :wink:

( عنوان تاپیک ویرایش شد ؛ دلیل : لطفا از عناوینی مطابق با متن سوال استفاده کنید و نه اینکه مردم! بیچاره شدم ! کمک! و .... مرسی! وحید نصیری)

جواب سوال شما :

باید از تابع api به نام ChangeDisplaySettings استفاده کرد به صورت زیر :

using System;

using System.Drawing;

using System.Collections;

using System.ComponentModel;

using System.Windows.Forms;

using System.Data;

using System.Runtime.InteropServices; 



namespace ScreenResolution

{

    

    public class Form1 : System.Windows.Forms.Form

    {

        

        

        

        public enum DMDO

        {

            DEFAULT = 0,

            D90 = 1,

            D180 = 2,

            D270 = 3

        }



        [StructLayout(LayoutKind.Sequential, CharSet=CharSet.Auto)]

        struct DEVMODE

        {

            public const int DM_PELSWIDTH = 0x80000;

            public const int DM_PELSHEIGHT = 0x100000;        

            private const int CCHDEVICENAME = 32;

            private const int CCHFORMNAME = 32;



            [MarshalAs(UnmanagedType.ByValTStr, SizeConst=CCHDEVICENAME)]

            public string dmDeviceName;

            public short dmSpecVersion;

            public short dmDriverVersion;

            public short dmSize;

            public short dmDriverExtra;

            public int dmFields;



            public int dmPositionX;

            public int dmPositionY;

            public DMDO dmDisplayOrientation;

            public int dmDisplayFixedOutput;



            public short dmColor;

            public short dmDuplex;

            public short dmYResolution;

            public short dmTTOption;

            public short dmCollate;

            [MarshalAs(UnmanagedType.ByValTStr, SizeConst=CCHFORMNAME)]

            public string dmFormName;

            public short dmLogPixels;

            public int dmBitsPerPel;

            public int dmPelsWidth;

            public int dmPelsHeight;

            public int dmDisplayFlags;

            public int dmDisplayFrequency;

            public int dmICMMethod;

            public int dmICMIntent;

            public int dmMediaType;

            public int dmDitherType;

            public int dmReserved1;

            public int dmReserved2;

            public int dmPanningWidth;

            public int dmPanningHeight;

        }



        //--------------------------------\



        

        

        [DllImport("user32.dll", CharSet=CharSet.Auto)]

        //static extern int ChangeDisplaySettings( DEVMODE lpDevMode,  int dwFlags);

        

        // should I use this line?

        static extern int ChangeDisplaySettings( [In] ref DEVMODE lpDevMode,  int dwFlags);



        /// <summary>

        /// Required designer variable.

        /// </summary>

        private System.ComponentModel.Container components = null;



        public Form1()

        {

            //

            // Required for Windows Form Designer support

            //

            InitializeComponent();



            //

            // TODO: Add any constructor code after InitializeComponent call

            //

        }



    

        protected override void Dispose( bool disposing )

        {

            if( disposing )

            {

                if (components != null) 

                {

                    components.Dispose();

                }

            }

            base.Dispose( disposing );

        }



        #region Windows Form Designer generated code

        /// <summary>

        /// Required method for Designer support - do not modify

        /// the contents of this method with the code editor.

        /// </summary>

        private void InitializeComponent()

        {

            this.components = new System.ComponentModel.Container();

            this.Size = new System.Drawing.Size(300,300);

            this.Text = "Form1";

        }

        #endregion



    

    

        static void Main() 

        {

            Form1 r = new Form1();

            r.ChangeRes();

            Application.Run(new Form1());

        }

      

        void ChangeRes()

        {

            

            Form1 t = new Form1();

    

            long RetVal=0;

            

            DEVMODE dm = new DEVMODE();

        

            dm.dmSize= (short)Marshal.SizeOf(typeof(DEVMO  DE));

                

            dm.dmPelsWidth = 1024;

            dm.dmPelsHeight= 768;

        

            dm.dmFields = DEVMODE.DM_PELSWIDTH | DEVMODE.DM_PELSHEIGHT;



            

            RetVal = ChangeDisplaySettings(ref dm, 0);

            

        

        }



    }

}

اقای نصیری خیلی ممنون پاسختون خیلی به دردم خورد مخصوصاً او قسمت ادبیاتش :lol:

مرسی مرسی مرسی