private void cmdApplyFilterLib_Click(object sender, EventArgs e) { SubstructureLibraryFilter filt = new SubstructureLibraryFilter(); if (txtMaxCompounds.Text != "") { filt.MaxCompounds = Convert.ToInt32(txtMaxCompounds.Text); } if (txtMinCompounds.Text != "") { filt.MinCompounds = Convert.ToInt32(txtMinCompounds.Text); } filt.EntryName = txtEntryName.Text; _env.ApplySubstructureLibraryFilter(filt); lblSubsFiltProps.Text = _env.subsLib.FilteredLibrary.propertyString; }