Progress® Telerik® Reporting R3 2021

ReportViewerBase.ViewerToolTipOpening Event

Occurs when the tooltip, associated with a report item, is being opened

Namespace:  Telerik.ReportViewer.WinForms
Assembly:  Telerik.ReportViewer.WinForms (in Telerik.ReportViewer.WinForms.dll)

Syntax

C#

VB

Copy

public event ToolTipOpeningEventHandler ViewerToolTipOpening

Public Event ViewerToolTipOpening As ToolTipOpeningEventHandler

Value

Type: Telerik.ReportViewer.CommonToolTipOpeningEventHandler

Examples

This example illustrates how to wire the event, cancel tooltip showing and change tooltip's title and text.

C#

VB

Copy

private void reportViewer1_ViewerToolTipOpening(object sender, Telerik.ReportViewer.Common.ToolTipOpeningEventArgs args)
{
    if (args.ToolTip.Title.Contains("DoNotShow"))
    {
        args.Cancel = true;
    }
    else
    {
        args.ToolTip.Title = "The tooltip title is changed!";
        args.ToolTip.Text += " (changed)";
    }
}

' Handles the ViewerToolTipOpening event
' Do not forget to add the WithEvents clause on ReportViewer1 instantiation if needed.
Private Sub reportViewer1_ViewerToolTipOpening(sender As Object, args As Telerik.ReportViewer.Common.ToolTipOpeningEventArgs) Handles ReportViewer1.ViewerToolTipOpening
    If args.ToolTip.Title.Contains("DoNotShow") Then
        args.Cancel = True
    Else
        args.ToolTip.Title = "The tooltip title is changed!"
        args.ToolTip.Text += " (changed)"
    End If
End Sub

Version Information

Supported in: 1.0.1

See Also

Reference

ReportViewerBase Class

Telerik.ReportViewer.WinForms Namespace