Method removeXColumn

src/frontend/dockwidgets/BarPlotDock.cpp:306–311

}

void BarPlotDock::removeXColumn() {
	cbXColumn->setAspect(nullptr);
	ui.bRemoveXColumn->setEnabled(false);
	for (auto* barPlot : m_barPlots)
		barPlot->setXColumn(nullptr);
}

void BarPlotDock::addDataColumn() {
	auto* cb = new TreeViewComboBox(this);