Properly changing the displayed chart in a QChartView

BradDev20

I am trying to change the displayed chart in a QChartView, but each time the program fails in some form.

void MainWindow::updateRollResult(QString rollResult, QChart* chart){

    ui->rollResultLabel->setText("Sum of all dice rolls: " + rollResult);
    ui->diceChart = new QChartView(chart);
    ui->diceChart->repaint();
}

This code causes the QChartView to display nothing. However, I have tried things such as deleting the current chart given certain conditions, or setting the chartView's chart to a different chart, but those cause the program to crash after one or two operations. Why might this happen, and how do I correctly change the graph?

A.A.SEZEN

@BradDev20 said in Properly changing the displayed chart in a QChartView:

ui->diceChart = new QChartView(chart);

Are you sure you do it here?

BradDev20

@A-A-SEZEN I have tried, but for some reason I just get a blank chart, even though I can confirm that the chart is being properly created.

SGaist

Hi,

Why not use QChartView::setChart ?

What you currently do is just replacing the object pointed by ui->diceView by a different one, but that is all.