how to perform a keypress event untill a button is clicked in the form

[giri87]

hi !!!i m trying to perform a key press event untill a button is clicked .How can i keep a key press event in a loop untill a button is clicked?? please help !!!
here is a part of the code, tryin to explain what i m tryin to do---->


private void textBox1_KeyPre ss(object sender, KeyPressEventAr gs e)
{
int i = 0;

while(untill button not clicked)
{
if (e.KeyChar == 13)
{
string c = textBox1.Lines[i];
i++;
}
}
}

[jkmyoung]

Create a boolean variable to represent whether a button has been clicked or not. Before the while loop, initialize it.

On the button OnClick listener, set this variable. The thread running the loop should break out of the while loop.