ChartDesigner.HelpRequested Event

Occurs when a user requests help for the Chart Designer.

Namespace: DevExpress.XtraCharts.Designer

Assembly: DevExpress.XtraCharts.v20.1.Wizard.dll

Declaration

public event ChartDesignerHelpRequestedEventHandler HelpRequested
Public Event HelpRequested As ChartDesignerHelpRequestedEventHandler

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