C#

LighthouseJ wrote:

the first two classes trigger fine but C and D's are never used.

LighthouseJ wrote:

The project is too complex

using System;<br />
using System.Drawing;<br />
using System.Collections;<br />
using System.ComponentModel;<br />
using System.Windows.Forms;<br />
<br />
namespace Malhar.ControlGallery<br />
{<br />
	/// <summary><br />
	/// Summary description for Form3.<br />
	/// </summary><br />
	public class Form3 : System.Windows.Forms.Form<br />
	{<br />
		private System.Windows.Forms.ListBox listBox1;<br />
		private System.Windows.Forms.Button Load;<br />
		/// <summary><br />
		/// Required designer variable.<br />
		/// </summary><br />
		private System.ComponentModel.Container components = null;<br />
<br />
		public Form3()<br />
		{<br />
			//<br />
			// Required for Windows Form Designer support<br />
			//<br />
			InitializeComponent();<br />
<br />
			//<br />
			// TODO: Add any constructor code after InitializeComponent call<br />
			//<br />
		}<br />
<br />
		/// <summary><br />
		/// Clean up any resources being used.<br />
		/// </summary><br />
		protected override void Dispose( bool disposing )<br />
		{<br />
			if( disposing )<br />
			{<br />
				if(components != null)<br />
				{<br />
					components.Dispose();<br />
				}<br />
			}<br />
			base.Dispose( disposing );<br />
		}<br />
<br />
		#region Windows Form Designer generated code<br />
		/// <summary><br />
		/// Required method for Designer support - do not modify<br />
		/// the contents of this method with the code editor.<br />
		/// </summary><br />
		private void InitializeComponent()<br />
		{<br />
			this.listBox1 = new System.Windows.Forms.ListBox();<br />
			this.Load = new System.Windows.Forms.Button();<br />
			this.SuspendLayout();<br />
			// <br />
			// listBox1<br />
			// <br />
			this.listBox1.Location = new System.Drawing.Point(8, 16);<br />
			this.listBox1.Name = "listBox1";<br />
			this.listBox1.Size = new System.Drawing.Size(176, 95);<br />
			this.listBox1.TabIndex = 0;<br />
			// <br />
			// Load<br />
			// <br />
			this.Load.Location = new System.Drawing.Point(192, 8);<br />
			this.Load.Name = "Load";<br />
			this.Load.TabIndex = 1;<br />
			this.Load.Text = "button1";<br />
			this.Load.Click += new System.EventHandler(this.button1_Click);<br />
			// <br />
			// Form3<br />
			// <br />
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);<br />
			this.ClientSize = new System.Drawing.Size(292, 266);<br />
			this.Controls.Add(this.Load);<br />
			this.Controls.Add(this.listBox1);<br />
			this.Name = "Form3";<br />
			this.Text = "Form3";<br />
			this.ResumeLayout(false);<br />
<br />
		}<br />
		#endregion<br />
<br />
		private void button1_Click(object sender, System.EventArgs e)<br />
		{<br />
			listBox1.Items.Add(new A());<br />
			listBox1.Items.Add(new B());<br />
			listBox1.Items.Add(new C("John", 4));<br />
			listBox1.Items.Add(new C("Lisa", 10));<br />
			listBox1.Items.Add(new D());<br />
		}<br />
<br />
		class A<br />
		{<br />
			public A():base()<br />
			{<br />
			}<br />
			public override string ToString()<br />
			{<br />
				return "Object of type A";<br />
			}<br />
		}<br />
		class B:ArrayList<br />
		{<br />
			public B():base()<br />
			{<br />
			}<br />
			public override string ToString()<br />
			{<br />
				return "Object of type B";<br />
			}<br />
		}<br />
		class C:B<br />
		{<br />
			string someStr;<br />
			object someVal;<br />
			public C(string text, object value)<br />
			{<br />
				someStr = text;<br />
				someVal = value;<br />
			}<br />
			public override string ToString()<br />
			{<br />
				return string.Format("Object of type C: {0}; {1}", (someStr==null?"-":someStr), (someVal==null?"-":someVal.ToString()));<br />
			}<br />
		}<br />
		class D:B<br />
		{<br />
			public D()<br />
			{<br />
			}<br />
			public override string ToString()<br />
			{<br />
				return "Object of type D";<br />
			}<br />
		}<br />
	}<br />
}

private void MyKeyDownEventHandler(object sender, KeyEventArgs e)<br />
{<br />
// do something<br />
}<br />
<br />
myTextBox1.KeyDown += new KeyDownEventHandler(MyKeyDownEventHandler);<br />
myTextBox2.KeyDown += new KeyDownEventHandler(MyKeyDownEventHandler);<br />
myTextBox3.KeyDown += new KeyDownEventHandler(MyKeyDownEventHandler);

Thread t = new Thread(new ParameterizedThreadStart(ThreadProc));
t.Start(this.SLabel);

private void ThreadProc(object data)
{
	EnumGetEDID InitEnumObj = new EnumGetEDID();
	InitEnumObj.AppInitEnum((Label)data); 
	UpdateUI();
}

private delegate void UpdateUIDelegate();
private void UpdateUI()
{
	if (this.InvokeRequired)
	{
		this.BeginInvoke(new UpdateUIDelegate(UpdateUI));
		return;
	}
	pictureBox1.Hide();
	panel4.Hide();
	button1.Show();
	button3.Show();
}