private void button2_Click(object sender, EventArgs e)
{
// button1.BackColor = SystemColors.ButtonHighlight;
System.Threading.Thread userThead = new System.Threading.Thread(new System.Threading.ThreadStart(ChangeBackGround));
userThead.IsBackground = true;
userThead.Start();
}
private void ChangeBackGround()
{
// button1.BackColor = SystemColors.ButtonHighlight;
//button1.BeginInvoke((Action)(() => button1.BackColor = SystemColors.ButtonHighlight));
button1.BeginInvoke((MethodInvoker)(() => button1.BackColor = SystemColors.ButtonHighlight));
}
