Method columnCountChanged

src/frontend/dockwidgets/SpreadsheetDock.cpp:130–135

}

void SpreadsheetDock::columnCountChanged(int columns) {
	CONDITIONAL_LOCK_RETURN;

	for (auto* spreadsheet : m_spreadsheetList)
		spreadsheet->setColumnCount(columns);
}

/*!
  enable/disable the comment header in the views of the selected spreadsheets.