protected override void OnClick()
        {
            frmShallowInterpolation frm = new frmShallowInterpolation();
            frm.ShowDialog();

            ArcMap.Application.CurrentTool = null;
        }
        protected override void OnClick()
        {
            frmShallowInterpolation frm = new frmShallowInterpolation();

            frm.ShowDialog();

            ArcMap.Application.CurrentTool = null;
        }