In C # how can I determine the time for how long a form button has been clicked down?

How can I get time in milliseconds for how long a button has been clicked

In C # how can I determine the time for how long a form button has been clicked down?
The simplest way is to use the tickcount which is already in milliseconds. Hope this code comes out alright:





private int i;





private void button1_MouseDown(object sender, MouseEventArgs e)


{


i = System.Environment.TickCount;





}





private void button1_MouseUp(object sender, MouseEventArgs e)


{


i = System.Environment.TickCount - i;


MessageBox.Show(i.ToString());


}
Reply:Use the MouseDown %26amp; MouseUp events for the button to do a timestamp comparison between the events.