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MDX WinForm with .NET Controls

, 25 May 2006
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This article shows how to use .NET controls in Windows Forms containing managed DirectX content

Introduction

This article shows how to use .NET Windows Form controls with managed DirectX content. Most books/tutorials use a WinForm strictly with MDX content. But people are more interested in using WinForm controls together with MDX. This question is frequently asked and not well answered. Here, I present a small project using .NET 2.0 and Visual Studio 2005.

Technique

The most important part of this project is the DirectX device creation. Normally it's:

device = new Device(0, DeviceType.Hardware, this, 
         CreateFlags.SoftwareVertexProcessing, presentParams);
'this' is the alias of 'Form' used to represent this winForm.

In order to make .NET controls such as menubar, etc. to co-exist with a DirectX control, I set up a panel to be used by DirectX.

private System.Windows.Forms.Panel panel1;
// Initialize panel1
device = new Device(0, DeviceType.Hardware, panel1, 
         CreateFlags.SoftwareVertexProcessing, presentParams);

To demonstrate that this works, I have provided a simple managed DirectX project with this project that can be downloaded. Here is the complete source code. Copy/paste and compile with .NET 2.0 managed DirectX.

using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
using Microsoft.DirectX;
using Microsoft.DirectX.Direct3D;

namespace Chapter1Code
{
    /// <span class="code-SummaryComment"><summary></span>
    /// Summary description for Form1.
    /// <span class="code-SummaryComment"></summary></span>
    public class Form1 : System.Windows.Forms.Form
    {
        private Device device = null;
        /// <span class="code-SummaryComment"><summary></span>
        /// Required designer variable.
        /// <span class="code-SummaryComment"></summary></span>
        private System.ComponentModel.Container components = null;
        private Panel panel1;
        private MenuStrip menuStrip1;
        private ToolStripMenuItem mDXFormWithMenuToolStripMenuItem;
        private ToolStripMenuItem exitToolStripMenuItem;
        private float angle = 0.0f;

        public Form1()
        {
            //
            // Required for Windows Form Designer support
            //
            InitializeComponent();

            this.Size = new Size(800, 600);
            this.SetStyle(ControlStyles.AllPaintingInWmPaint | 
                          ControlStyles.Opaque, true);
        }

        /// <span class="code-SummaryComment"><summary></span>
        /// We will initialize our graphics device here
        /// <span class="code-SummaryComment"></summary></span>
        public void InitializeGraphics()
        {
            // Set our presentation parameters
            PresentParameters presentParams = new PresentParameters();

            presentParams.Windowed = true;
            presentParams.SwapEffect = SwapEffect.Discard;

            // Create our device
            device = new Device(0, DeviceType.Hardware, panel1, 
                     CreateFlags.SoftwareVertexProcessing, 
                     presentParams);            
        }

        private void SetupCamera()
        {            
            device.RenderState.CullMode = Cull.None;
            device.Transform.World = Matrix.RotationAxis(new Vector3(angle / 
                                     ((float)Math.PI * 2.0f), 
                                     angle / ((float)Math.PI * 4.0f), 
                                     angle / ((float)Math.PI * 6.0f)), 
                                     angle / (float)Math.PI);
            angle += 0.1f;

            device.Transform.Projection = Matrix.PerspectiveFovLH((float)Math.PI / 4, 
                                          this.Width / this.Height, 1.0f, 100.0f);
            device.Transform.View = Matrix.LookAtLH(new Vector3(0,0, 5.0f), 
                                    new Vector3(), new Vector3(0,1,0));
            device.RenderState.Lighting = true;
        }

        protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
        {            
            device.Clear(ClearFlags.Target, 
                System.Drawing.Color.CornflowerBlue, 1.0f, 0);

            SetupCamera();

            CustomVertex.PositionNormalColored[] verts = 
                  new CustomVertex.PositionNormalColored[3];
            verts[0].Position = new Vector3(0.0f, 1.0f, 1.0f);
            verts[0].Normal = new Vector3(0.0f, 0.0f, -1.0f);
            verts[0].Color = System.Drawing.Color.White.ToArgb();
            verts[1].Position = new Vector3(-1.0f, -1.0f, 1.0f);
            verts[1].Normal = new Vector3(0.0f, 0.0f, -1.0f);
            verts[1].Color = System.Drawing.Color.White.ToArgb();
            verts[2].Position = new Vector3(1.0f, -1.0f, 1.0f);
            verts[2].Normal = new Vector3(0.0f, 0.0f, -1.0f);
            verts[2].Color = System.Drawing.Color.White.ToArgb();

            device.Lights[0].Type = LightType.Point;
            device.Lights[0].Position = new Vector3();
            device.Lights[0].Diffuse = System.Drawing.Color.White;
            device.Lights[0].Attenuation0 = 0.2f;
            device.Lights[0].Range = 10000.0f;
            
            device.Lights[0].Enabled = true;

            device.BeginScene();
            device.VertexFormat = CustomVertex.PositionNormalColored.Format;
            device.DrawUserPrimitives(PrimitiveType.TriangleList, 1, verts);
            device.EndScene();

            device.Present();

            this.Invalidate();
        }

        /// <span class="code-SummaryComment"><summary></span>
        /// Clean up any resources being used.
        /// <span class="code-SummaryComment"></summary></span>
        protected override void Dispose( bool disposing )
        {
            if( disposing )
            {
                if (components != null) 
                {
                    components.Dispose();
                }
            }
            base.Dispose( disposing );
        }

        #region Windows Form Designer generated code
        /// <span class="code-SummaryComment"><summary></span>
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// <span class="code-SummaryComment"></summary></span>
        private void InitializeComponent()
        {
            this.panel1 = new System.Windows.Forms.Panel();
            this.menuStrip1 = new System.Windows.Forms.MenuStrip();
            this.mDXFormWithMenuToolStripMenuItem = 
                 new System.Windows.Forms.ToolStripMenuItem();
            this.exitToolStripMenuItem = 
                 new System.Windows.Forms.ToolStripMenuItem();
            this.menuStrip1.SuspendLayout();
            this.SuspendLayout();
            // 
            // panel1
            // 
            this.panel1.Dock = System.Windows.Forms.DockStyle.Fill;
            this.panel1.Location = new System.Drawing.Point(0, 24);
            this.panel1.Name = "panel1";
            this.panel1.Size = new System.Drawing.Size(307, 275);
            this.panel1.TabIndex = 0;
            // 
            // menuStrip1
            // 
            this.menuStrip1.Items.AddRange(new System.Windows.Forms.ToolStripItem[] {
            this.mDXFormWithMenuToolStripMenuItem});
            this.menuStrip1.Location = new System.Drawing.Point(0, 0);
            this.menuStrip1.Name = "menuStrip1";
            this.menuStrip1.Size = new System.Drawing.Size(307, 24);
            this.menuStrip1.TabIndex = 1;
            this.menuStrip1.Text = "menuStrip1";
            // 
            // mDXFormWithMenuToolStripMenuItem
            // 
            this.mDXFormWithMenuToolStripMenuItem.DropDownItems.AddRange(
                               new System.Windows.Forms.ToolStripItem[] {
            this.exitToolStripMenuItem});
            this.mDXFormWithMenuToolStripMenuItem.Name = 
                 "mDXFormWithMenuToolStripMenuItem";
            this.mDXFormWithMenuToolStripMenuItem.Size = 
                 new System.Drawing.Size(117, 20);
            this.mDXFormWithMenuToolStripMenuItem.Text = "MDX form with Menu";
            // 
            // exitToolStripMenuItem
            // 
            this.exitToolStripMenuItem.Name = "exitToolStripMenuItem";
            this.exitToolStripMenuItem.Size = new System.Drawing.Size(152, 22);
            this.exitToolStripMenuItem.Text = "Exit";
            this.exitToolStripMenuItem.Click += 
                 new System.EventHandler(this.exitToolStripMenuItem_Click);
            // 
            // Form1
            // 
            this.ClientSize = new System.Drawing.Size(307, 299);
            this.Controls.Add(this.panel1);
            this.Controls.Add(this.menuStrip1);
            this.Name = "Form1";
            this.Text = "Form1";
            this.menuStrip1.ResumeLayout(false);
            this.menuStrip1.PerformLayout();
            this.ResumeLayout(false);
            this.PerformLayout();
        }
        #endregion

        /// <span class="code-SummaryComment"><summary></span>
        /// The main entry point for the application.
        /// <span class="code-SummaryComment"></summary></span>
        static void Main() 
        {
            using (Form1 frm = new Form1())
            {
                // Show our form and initialize our graphics engine
                frm.Show();
                frm.InitializeGraphics();
                Application.Run(frm);
            }
        }

        private void exitToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Dispose();
        }
    }
}

History

  • 25th May, 2006: Initial post

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Fei Liu
Web Developer
United States United States
I currently work and live in NJ, US. I am interested in C/C++/CLR/C# technologies. My blog is http://meditation-art.blogspot.com/

 

Comments and Discussions

 
GeneralMy vote of 5 PinmemberBattleDroid14-Apr-11 12:50 
QuestionChange Array to List in MDX Pinmemberled12327-Jan-10 3:42 
QuestionForm update issue? PinmemberEskildh3-Nov-08 2:17 
GeneralExcellent! Pinmemberwck5931-Jan-08 10:48 
GeneralJust what I needed! PinmemberSrdjanP29-Nov-06 9:48 
QuestionWhat is MDX? PinmemberJun Du26-May-06 4:22 
AnswerRe: What is MDX? PinstaffNishant Sivakumar26-May-06 4:38 
GeneralRe: What is MDX? PinstaffNishant Sivakumar26-May-06 5:52 
GeneralRe: What is MDX? PinmemberFei Liu26-May-06 6:31 
GeneralRe: What is MDX? PinmemberJun Du27-May-06 10:51 
Generalfiles Pinmemberpablleaf25-May-06 18:44 
GeneralThis article shows how to... PinprotectorMarc Clifton25-May-06 13:01 
GeneralRe: This article shows how to... PinmemberFei Liu26-May-06 6:19 
GeneralRe: This article shows how to... PinprotectorMarc Clifton26-May-06 7:54 
GeneralRe: This article shows how to... PinmemberFei Liu26-May-06 15:50 
GeneralRe: This article shows how to... PinmemberDanilo Corallo9-Jun-06 23:57 
Hi Fei Liu,
 
this article surely talks about a cool topic, but what Marc is saying is that you miss to explain how the code works, which functions are involved and what's the logic behind. For instance I would like to know how to start a new project with Managed DirectX (or what I need to compile yours).
 
Best Regards

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