dashboard-devexpress-dot-dashboardwin-dot-dashboarddesigner-b47a7f09.md
Allows you to hide specific dashboard items when printing or exporting the entire dashboard.
Namespace : DevExpress.DashboardWin
Assembly : DevExpress.Dashboard.v25.2.Win.dll
NuGet Package : DevExpress.Win.Dashboard
public event BeforeExportDocumentEventHandler BeforeExportDocument
Public Event BeforeExportDocument As BeforeExportDocumentEventHandler
The BeforeExportDocument event's data class is BeforeExportDocumentEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| ExcelExportOptions | Gets options related to exporting a dashboard/dashboard item to XLSX/XLS/CSV format. |
| ExportAction | Gets the export action performed by an end-user. |
| ImageExportOptions | Gets export options related to exporting a dashboard/dashboard item as an image. |
| PdfExportOptions | Gets export options related to exporting a dashboard/dashboard item to PDF format. |
| PrintPreviewOptions | Gets options related to printing a dashboard/dashboard item using the Print Preview window. |
The event data class exposes the following methods:
| Method | Description |
|---|---|
| HideItem(Predicate<DashboardItem>) | Hides the dashboard item matching the specified predicate in the exported dashboard. |
| HideItem(String) | Hides the dashboard item with the specified name in the exported dashboard. |
The BeforeExportDocument event allows you to hide specific dashboard items from the printed or exported document using the BeforeExportDocumentEventArgs.HideItem method overloads. See the example below to learn how to do this.
This example demonstrates how to hide dashboard filter items when a dashboard is exported to PDF and the ExportFilters export option is set to false.
This method can be the used to handle the following events:
DashboardDesigner.BeforeExportDocument
using DevExpress.DashboardCommon;
// ...
dashboardDesigner1.BeforeExportDocument += DashboardDesigner1_BeforeExportDocument;
// ...
private void DashboardDesigner1_BeforeExportDocument(object sender, BeforeExportDocumentEventArgs e)
{
if (e.ExportAction == DashboardExportAction.ExportToPdf &&
e.PdfExportOptions.ExportFilters == false)
{
e.HideItem(item => item is FilterElementDashboardItem ||
item is DateFilterDashboardItem);
}
}
Imports DevExpress.DashboardCommon
' ...
AddHandler dashboardDesigner1.BeforeExportDocument, AddressOf DashboardDesigner1_BeforeExportDocument
' ...
Private Sub DashboardDesigner1_BeforeExportDocument(ByVal sender As Object, ByVal e As BeforeExportDocumentEventArgs)
If e.ExportAction = DashboardExportAction.ExportToPdf AndAlso e.PdfExportOptions.ExportFilters = False Then
e.HideItem(Function(item) TypeOf item Is FilterElementDashboardItem OrElse TypeOf item Is DateFilterDashboardItem)
End If
End Sub
See Also