ChartDesigner.HelpRequested Event

Occurs when a user requests help for the Chart Designer.

Namespace: DevExpress.XtraCharts.Designer

Assembly: DevExpress.XtraCharts.v21.1.Wizard.dll

Declaration

public event ChartDesignerHelpRequestedEventHandler HelpRequested

Event Data

The HelpRequested event's data class is EventArgs.

Remarks

The user should press F1 to request help.

Example

The following code invokes a custom help dialog for the Chart Designer when a user requests help:

private void OnSimpleButtonClick(object sender, EventArgs e) {
    ChartDesigner designer = new ChartDesigner(chartControl1);
    designer.HelpRequested += OnDesignerHelpRequested;
    designer.ShowDialog(false);
}

private void OnDesignerHelpRequested(object sender, EventArgs e) {
    // Create a help form that is the System.Windows.Forms.Form class descendant.
    using (HelpForm helpForm = new HelpForm()) {
        helpForm.ShowDialog();
    }
}
See Also