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if(this.InvokeRequired == true)
{
//do invoke method
}
else
;//do normal method
private delegate void lblcountInvoke(string txt);
private void SetlblcountText(string txt)
{
if (lblcount.InvokeRequired)
{
lblcountInvoke _myInvoke = new lblcountInvoke(SetlblcountText);
this.Invoke(_myInvoke, new object[] { txt });
}
else
{
lblcount.Text = txt;
}
}