Can any one tell the process how i can get the handle to the MDI client(Not MDI Child) Window using Win32 PInvoke. Any kind of suggesion will be highly appriciated. Thanks.

I have developed a TextBox Control with some customized features by inheriting the Default TextBox Control. The problem is, when i added the control to the form the designer fails to show any control in the form including the developed control. But the designer can show all the controls if i remove that control. How can i provide design time support to the control so that is remains visible in design time:confused:. Thanks in advance.

correct code is: protected override void OnClick(System.EventArgs e) { //base.OnClick(e); } Here 'OnClick''s 'O' and 'C' character should be in upper case. I don't know why it is not shown correctly.

You can stop the click Event by overriding the OnClick method in RadioButton class and Removing the call to the base class. like: protected override void OnClick(System.EventArgs e) { //base.OnClick (e); } -- modified at 12:27 Monday 14th November, 2005

Your problem statement is not clear. Can you explain it a bit more ?

Thanks for your reply. In which cases 'ref' keyword should be used? I am confused :confused: As your answer the following two methods will do the same thing isn't it? 1.changeItem( ref ArrayList l ) or 2.changeItem( ArrayList l )

Consider the following code:

	public class A
	{
		private int x = 0;
		public int X
		{
			get
			{
				return x;
			}
			set
			{
				x = value;
			}
		}
		public override string ToString()
		{
			return x.ToString();
		}
	}

	public class B
	{
		private ArrayList list = new ArrayList();

		private void addItem( A c )
		{
			list.Add(c);
		}
		private void changeItem ( ArrayList l )
		{
			((A)l[0]).X = 5;
		}
		public void test() 
		{
			addItem( new A());
			Console.WriteLine(list[0]);
			changeItem(list);
			Console.WriteLine(list[0]);
		}
		public static void Main( string[] args ) 
		{
			B b = new B();
			b.test();
		}
	}

The output is:

0
5

Why the output not like:

0
0

changeItem method does not take the reference of the ArrayList, but the value of the object in the collection has changed :omg: What is the problem ?

Is there any way to group several radio buttons without putting them into a GroupBox ?

I am using 32bit PNGs. and also tried reloading the images but that did not work :(

I tried using the toolbar of VS.NET. And found that, it does not show the alpha region of the icons perfectly. I have tried using maximum color depth in the imagelist that was associated with the toolbar, and also tried using PNG images. Nither of my approaches succeded :( Is there any way to show the icons perfectly ?? thanks in advance.

Can Some help me to make a textbox in which user can type only numerical or Uppercase charecters ?

Hello, I am very much new to C# programming. The problem is I am facing 'SEHException' using ShowDialog() method of Form Class. I am using a form as Dialog from a MDIChild Form. I don't know why it is happenging. But there is no problem if i use 'ShowDialog()' from a non MDIChild form. How can i use the method from a MDIChild form ? sorry for my english. thanks in advance.