private void BtnRebuildClick(object sender, EventArgs e) { var img = axMap1.GetActiveLayer(); int bandIndex = cboActiveBand.SelectedIndex + 1; var colors = (PredefinedColorScheme)cboColoringScheme.SelectedValue; var coloringType = (ColoringType)cboColoring.SelectedValue; GridHelper.RebuildGridWithNewColorScheme(img, colors, coloringType, bandIndex, chkAllowExternal.Checked); }