private void TxtSearch_TextChanged(object sender, Android.Text.TextChangedEventArgs e)
{
if (txtSearch.Text.Length > 0)
{
txtSearch.SetCompoundDrawablesWithIntrinsicBounds(0, 0, Resource.Drawable.ic_cross_81577_32, 0);
}
else
{
txtSearch.SetCompoundDrawablesWithIntrinsicBounds(0, 0, 0, 0);
}
txtSearch.ShowDropDown();
}