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C#, I want to learn for the name control used in the run-time

Posted on 2011-03-24
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Last Modified: 2012-05-11
Hi there;

In C#, I want to learn for the name control used in the run-time. I mean when I run my windows form and when I click on a textbox let's say named as txtbx, I want to display that name.

How can I do that?

Kind regards.
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Question by:jazzIIIlove
  • 2
4 Comments
 
LVL 22

Assisted Solution

by:p_davis
p_davis earned 250 total points
ID: 35211551
hook into the click event and in that method cast the sender as textbox

yourTextBox_ClickEvent(object sender, EventArgs e)
{
  TextBox tb = sender as TextBox;
   tb.Text = tb.Name;
}
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LVL 22

Assisted Solution

by:p_davis
p_davis earned 250 total points
ID: 35211561
yourTextBox.Click += new EventHandler(yourTextBox_ClickEvent); //will be the stub in code to "hook" into the event
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LVL 85

Assisted Solution

by:Mike Tomlinson
Mike Tomlinson earned 125 total points
ID: 35211747
More generically, do you need to know which control on the form is currently focused?

If so, use Form.ActiveControl:
http://msdn.microsoft.com/en-us/library/system.windows.forms.containercontrol.activecontrol(VS.80).aspx
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LVL 29

Accepted Solution

by:
anarki_jimbel earned 125 total points
ID: 35212532
Basicly this is similar to what guys already posted here. But you attach a handler to each control so you don't need to add p_davis's code into each handler, and you will see which control was clicked...
private void Form1_Load(object sender, EventArgs e)
        {
            foreach (Control cntrl in GetControls(this))
            {
                cntrl.Click += ClickHandler;
            }
        }
        public List<Control> GetControls(Control form)
        {
            List<Control> controlList = new List<Control>();

            foreach (Control childControl in form.Controls)
            {
                // Recurse child controls.
                controlList.AddRange(GetControls(childControl));
                controlList.Add(childControl);
            }
            return controlList;
        }
        private void ClickHandler(object sender, EventArgs e)
        {
            MessageBox.Show(((Control)sender).Name);
        }

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