using System; using System.Collections.Generic; using System.Linq; using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Audio; using Microsoft.Xna.Framework.Content; using Microsoft.Xna.Framework.GamerServices; using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Input; using Microsoft.Xna.Framework.Media; using TileEngine;

namespace LevelEditor { /// /// This is the main type for your game /// public class Game1 : Game { GraphicsDeviceManager graphics; SpriteBatch spriteBatch; IntPtr drawSurface; System.Windows.Forms.Form parentForm; System.Windows.Forms.PictureBox pictureBox; System.Windows.Forms.Control gameForm;

public int DrawLayer = 0;
public int DrawTile = 0;
public bool EditingCode = false;
public string CurrentCodeValue = "";
public string HoverCodeValue = "";

public MouseState lastMouseState;
System.Windows.Forms.VScrollBar vscroll;
System.Windows.Forms.HScrollBar hscroll;

public Game1(IntPtr drawSurface,
            System.Windows.Forms.Form parentForm,
            System.Windows.Forms.PictureBox surfacePictureBox)
{
    graphics = new GraphicsDeviceManager(this);
    Content.RootDirectory = "Content";

    this.drawSurface = drawSurface;
    this.parentForm = parentForm;
    this.pictureBox = surfacePictureBox;

    graphics.PreparingDeviceSettings +=
        new EventHandler<PreparingDeviceSettingsEventArgs>(
        graphics_PreparingDeviceSettings);

    Mouse.WindowHandle = drawSurface;

    gameForm = System.Windows.Forms.Control.FromHandle(this.Window.Handle);

    gameForm.VisibleChanged += new EventHandler(gameForm_VisibleChanged);

    pictureBox.SizeChanged += new EventHandler(pictureBox_SizeChanged);

    vscroll =
        (System.Windows.Forms.VScrollBar)parentForm.Controls["vScrollBar1"];
    hscroll =
        (System.Windows.Forms.HScrollBar)parentForm.Controls["hScrollBar1"];

    IsMouseVisible = true;
}

void graphics_PreparingDeviceSettings(object sender,
    PreparingDeviceSettingsEventArgs e)
{

    e.GraphicsDeviceInformation.PresentationParameters.DeviceWindowHandle = drawSurface;

}

private void gameForm_VisibleChanged(object sender, EventArgs e)
{
    if (gameForm.Visible == true)
        gameForm.Visible = false;
}

void pictureBox_SizeChanged(object sender, EventArgs e)
{
    if (parentForm.WindowState !=
        System.Windows.Forms.FormWindowState.Minimized)
    {
        graphics.PreferredBackBufferWidth = pictureBox.Width;
        graphics.PreferredBackBufferHeight = pictureBox.Height;
        Camera.ViewPortWidth = pictureBox.Width;
        Camera.ViewPortHeight = pictureBox.Height;
        graphics.ApplyChanges();
    }
}

/// <summary>
/// Allows the game to perform any initialization it needs to before starting to run.
/// This is where it can query for any required services and load any non-graphic
/// related content.  Calling base.Initialize will enumerate through any components
/// and initialize them as well.
/// </summary>
protected override void Initialize()
{
    // TODO: Add your initialization logic here

    base.Initialize();
}

/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
    spriteBatch = new SpriteBatch(GraphicsDevice);

    Camera.ViewPortWidth = pictureBox.Width;
    Camera.ViewPortHeight = pictureBox.Height;
    Camera.WorldRectangle =
        new Rectangle(
            0,
            0,
            TileMap.TileWidth * TileMap.MapWidth,
            TileMap.TileHeight * TileMap.MapHeight
        );

    TileMap.Initialize(
        Content.Load<Texture2D>(@"Textures\MarioTiles"));

    TileMap.spriteFont =
        Content.Load<SpriteFont>(@"Fonts\Pericles8");

    lastMouseState = Mouse.GetState();

    pictureBox_SizeChanged(null, null);
}


/// <summary>
/// UnloadContent will be called once per game and is the place to unload
/// all content.
/// </summary>
protected override void UnloadContent()
{
    // TODO: Unload any non ContentManager content here
}

/// <summary>
/// Allows the game to run logic such as updating the world,
/// checking for collisions, gathering input, and playing audio.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Update(GameTime gameTime)
{
    Camera.Position = new Vector2(hscroll.Value, vscroll.Value);

    MouseState ms = Mouse.GetState();

    if ((ms.X > 0) && (ms.Y > 0) &&
        (ms.X < Camera.ViewPortWidth) &&
        (ms.Y < Camera.ViewPortHeight))
    {
        Vector2 mouseLoc = Camera.ScreenToWorld(
            new Vector2(ms.X, ms.Y));

        if (Camera.WorldRectangle.Contains(
            (int)mouseLoc.X, (int)mouseLoc.Y))
        {
            if (ms.LeftButton == ButtonState.Pressed)
            {
                TileMap.SetTileAtCell(
                  TileMap.GetCellByPixelX((int)mouseLoc.X),
                  TileMap.GetCellByPixelY((int)mouseLoc.Y),
                  DrawLayer,
                  DrawTile);
            }

            if ((ms.RightButton == ButtonState.Pressed) &&
                (lastMouseState.RightButton == ButtonState.Released))
            {
                if (EditingCode)
                {
                    TileMap.GetMapSquareAtCell(
                      TileMap.GetCellByPixelX((int)mouseLoc.X),
                      TileMap.GetCellByPixelY((int)mouseLoc.Y)
                    ).CodeValue = CurrentCodeValue;
                }
                else
                {
                    TileMap.GetMapSquareAtCell(
                      TileMap.GetCellByPixelX((int)mouseLoc.X),
                      TileMap.GetCellByPixelY((int)mouseLoc.Y)
                    ).TogglePassable();
                }
            }

            HoverCodeValue =
                    TileMap.GetMapSquareAtCell(
                        TileMap.GetCellByPixelX(
                            (int)mouseLoc.X),
                        TileMap.GetCellByPixelY(
                            (int)mouseLoc.Y)).CodeValue;
        }
    }

    lastMouseState = ms;

    base.Update(gameTime);
}

/// <summary>
/// This is called when the game should draw itself.
/// </summary>
/// <param name="gameTime">Provides a snapshot of timing values.</param>
protected override void Draw(GameTime gameTime)
{
    GraphicsDevice.Clear(Color.Black);

    spriteBatch.Begin(
        SpriteSortMode.BackToFront,
        BlendState.AlphaBlend);
    TileMap.Draw(spriteBatch);
    spriteBatch.End();

    base.Draw(gameTime);
}

} } Thanks!

using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Audio;
using Microsoft.Xna.Framework.Content;
using Microsoft.Xna.Framework.GamerServices;
using Microsoft.Xna.Framework.Graphics;
using Microsoft.Xna.Framework.Input;
using Microsoft.Xna.Framework.Media;
using TileEngine;

namespace LevelEditor
{
    /// <summary>
   /// This is the main type for your game
   /// </summary>
  public class Game1 : Game
{
    GraphicsDeviceManager graphics;
    SpriteBatch spriteBatch;
    IntPtr drawSurface;
    System.Windows.Forms.Form parentForm;
    System.Windows.Forms.PictureBox pictureBox;
    System.Windows.Forms.Control gameForm;

    public int DrawLayer = 0;
    public int DrawTile = 0;
    public bool EditingCode = false;
    public string CurrentCodeValue = "";
    public string HoverCodeValue = "";

    public MouseState lastMouseState;
    System.Windows.Forms.VScrollBar vscroll;
    System.Windows.Forms.HScrollBar hscroll;

    public Game1(IntPtr drawSurface,
                System.Windows.Forms.Form parentForm,
                System.Windows.Forms.PictureBox surfacePictureBox)
    {
        graphics = new GraphicsDeviceManager(this);
        Content.RootDirectory = "Content";

        this.drawSurface = drawSurface;
        this.parentForm = parentForm;
        this.pictureBox = surfacePictureBox;

        graphics.PreparingDeviceSettings +=
            new EventHandler<PreparingDeviceSettingsEventArgs>(
            graphics_PreparingDeviceSettings);

        Mouse.WindowHandle = drawSurface;

        gameForm = System.Windows.Forms.Control.FromHandle(this.Window.Handle);

        gameForm.VisibleChanged += new EventHandler(gameForm_VisibleChanged);

        pictureBox.SizeChanged += new EventHandler(pictureBox_SizeChanged);

        vscroll =
            (System.Windows.Forms.VScrollBar)parentForm.Controls["vScrollBar1"];
        hscroll =
            (System.Windows.Forms.HScrollBar)parentForm.Controls["hScrollBar1"];

        IsMouseVisible = true;
    }

    void graphics_PreparingDeviceSettings(object sender,
        PreparingDeviceSettingsEventArgs e)
    {

        e.GraphicsDeviceInformation.PresentationParameters.DeviceWindowHandle = drawSurface;

    }

    private void gameForm_VisibleChanged(object sender, EventArgs e)
    {
        if (gameForm.Visible == true)
            gameForm.Visible = false;
    }

    void pictureBox_SizeChanged(object sender, EventArgs e)
    {
        if (parentForm.WindowState !=
            System.Windows.Forms.FormWindowState.Minimized)
        {
            graphics.PreferredBackBufferWidth = pictureBox.Width;
            graphics.PreferredBackBufferHeight = pictureBox.Height;
            Camera.ViewPortWidth = pictureBox.Width;
            Camera.ViewPortHeight = pictureBox.Height;
            graphics.ApplyChanges();
        }
    }

    /// <summary>
    /// Allows the game to perform any initialization it needs to before starting to run.
    /// This is where it can query for any required services and load any non-graphic
    /// related content.  Calling base.Initialize will enumerate through any components
    /// and initialize them as well.
    /// </summary>
    protected override void Initialize()
    {
        // TODO: Add your initialization logic here

        base.Initialize();
    }

    /// <summary>
    /// LoadContent will be called once per game and is the place to load
    /// all of your content.
    /// </summary>
    protected override void LoadContent()
    {
        spriteBatch = new SpriteBatch(GraphicsDevice);

        Camera.ViewPortWidth = pictureBox.Width;
        Camera.ViewPortHeight = pictureBox.Height;
        Camera.WorldRectangle =
            new Rectangle(
                0,
                0,
                TileMap.TileWidth * TileMap.MapWidth,
                TileMap.TileHeight * TileMap.MapHeight
            );

        TileMap.Initialize(
            Content.Load<Texture2D>(@"Textures\MarioTiles"));

        TileMap.spriteFont =
            Content.Load<SpriteFont>(@"Fonts\Pericles8");

        lastMouseState = Mouse.GetState();

        pictureBox_SizeChanged(null, null);
    }


    /// <summary>
    /// UnloadContent will be called once per game and is the place to unload
    /// all content.
    /// </summary>
    protected override void UnloadContent()
    {
        // TODO: Unload any non ContentManager content here
    }

    /// <summary>
    /// Allows the game to run logic such as updating the world,
    /// checking for collisions, gathering input, and playing audio. 
    /// </summary>
    /// <param name="gameTime">Provides a snapshot of timing values.</param>
    protected override void Update(GameTime gameTime)
    {
        Camera.Position = new Vector2(hscroll.Value, vscroll.Value);

        MouseState ms = Mouse.GetState();

        if ((ms.X > 0) && (ms.Y > 0) &&
            (ms.X < Camera.ViewPortWidth) &&
            (ms.Y < Camera.ViewPortHeight))
        {
            Vector2 mouseLoc = Camera.ScreenToWorld(
                new Vector2(ms.X, ms.Y));

            if (Camera.WorldRectangle.Contains(
                (int)mouseLoc.X, (int)mouseLoc.Y))
            {
                if (ms.LeftButton == ButtonState.Pressed)
                {
                    TileMap.SetTileAtCell(
                      TileMap.GetCellByPixelX((int)mouseLoc.X),
                      TileMap.GetCellByPixelY((int)mouseLoc.Y),
                      DrawLayer,
                      DrawTile);
                }
 
                if ((ms.RightButton == ButtonState.Pressed) &&
                    (lastMouseState.RightButton == ButtonState.Released))
                {
                    if (EditingCode)
                    {
                        TileMap.GetMapSquareAtCell(
                          TileMap.GetCellByPixelX((int)mouseLoc.X),
                          TileMap.GetCellByPixelY((int)mouseLoc.Y)
                        ).CodeValue = CurrentCodeValue;
                    }
                    else
                    {
                        TileMap.GetMapSquareAtCell(
                          TileMap.GetCellByPixelX((int)mouseLoc.X),
                          TileMap.GetCellByPixelY((int)mouseLoc.Y)
                        ).TogglePassable();
                    }
                }

                HoverCodeValue =
                        TileMap.GetMapSquareAtCell(
                            TileMap.GetCellByPixelX(
                                (int)mouseLoc.X),
                            TileMap.GetCellByPixelY(
                                (int)mouseLoc.Y)).CodeValue;
            }
        }

        lastMouseState = ms;

        base.Update(gameTime);
    }

    /// <summary>
    /// This is called when the game should draw itself.
    /// </summary>
    /// <param name="gameTime">Provides a snapshot of timing values.</param>
    protected override void Draw(GameTime gameTime)
    {
        GraphicsDevice.Clear(Color.Black);

        spriteBatch.Begin(
            SpriteSortMode.BackToFront,
            BlendState.AlphaBlend);
        TileMap.Draw(spriteBatch);
        spriteBatch.End();

        base.Draw(gameTime);
    }    
  }
}

Thanks!