private void btnProcess_Click(object sender, EventArgs e)
        {
            SaveFileDialog dlg = new SaveFileDialog();
            dlg.Filter = "dbf files (*.dbf)|*.dbf|All files (*.*)|*.*";

            if (dlg.ShowDialog() == DialogResult.OK)
            {
                clsRasterInterpolate RI = new clsRasterInterpolate();
                RI.ExtractPointData(cboLineLayer.Text, cboRasterLayers.Text, Convert.ToDouble(txtIntervalDistance.Text),dlg.FileName);
            }

            this.Close();
        }
        private void btnProcess_Click(object sender, EventArgs e)
        {
            SaveFileDialog dlg = new SaveFileDialog();

            dlg.Filter = "dbf files (*.dbf)|*.dbf|All files (*.*)|*.*";

            if (dlg.ShowDialog() == DialogResult.OK)
            {
                clsRasterInterpolate RI = new clsRasterInterpolate();
                RI.ExtractPointData(cboLineLayer.Text, cboRasterLayers.Text, Convert.ToDouble(txtIntervalDistance.Text), dlg.FileName);
            }


            this.Close();
        }