RichEditControl.MailMergeRecordStarted Event

Fires before each data record is merged with the document in the mail merge process.

Namespace: DevExpress.Xpf.RichEdit

Assembly: DevExpress.Xpf.RichEdit.v24.1.dll

NuGet Package: DevExpress.Wpf.RichEdit

Declaration

C#

public event MailMergeRecordStartedEventHandler MailMergeRecordStarted

VB.NET

Public Event MailMergeRecordStarted As MailMergeRecordStartedEventHandler

Event Data

The MailMergeRecordStarted event's data class is MailMergeRecordStartedEventArgs. The following properties provide information specific to this event:

Property	Description
Cancel	Gets or sets a value indicating whether the event should be canceled. Inherited from CancelEventArgs.
Document	Gets a merged document.
RecordDocument	Gets a template document before a record is merged.
RecordIndex	Gets an index of a record currently merged.

Remarks

The MailMergeRecordStarted event can be used to pre-process the merged section of a document that corresponds to a particular record.

Example

The code sample below shows how to handle the MailMergeRecordStarted and MailMergeRecordFinished events to insert additional content to the document:

View Example: DXRichEdit for WPF: How to use document variable (DOCVARIABLE) fields

C#

using DevExpress.XtraRichEdit;
using DevExpress.XtraRichEdit.API.Native;
//...

private static void RichEditControl_MailMergeRecordStarted(object sender, MailMergeRecordStartedEventArgs e)
{
    DocumentPosition position = e.RecordDocument.Range.Start;
    DocumentRange _range =
        e.RecordDocument.InsertText(position, String.Format("Created on {0:G}\n\n", DateTime.Now));
    CharacterProperties cp = e.RecordDocument.BeginUpdateCharacters(_range);
    cp.FontSize = 8;
    cp.ForeColor = Color.Red;
    cp.Hidden = true;
    e.RecordDocument.EndUpdateCharacters(cp);
}

private static void RichEditControl_MailMergeRecordFinished(object sender, MailMergeRecordFinishedEventArgs e)
{
    e.RecordDocument.AppendDocumentContent("Docs\\bungalow.docx", DocumentFormat.OpenXml);
}

VB.NET

Imports DevExpress.XtraRichEdit
Imports DevExpress.XtraRichEdit.API.Native
'...

Private Shared Sub RichEditControl_MailMergeRecordStarted(ByVal sender As Object, ByVal e As MailMergeRecordStartedEventArgs)
    Dim position As DocumentPosition = e.RecordDocument.Range.Start
    Dim _range As DocumentRange = e.RecordDocument.InsertText(position, String.Format("Created on {0:G}" & vbLf & vbLf, DateTime.Now))
    Dim cp As CharacterProperties = e.RecordDocument.BeginUpdateCharacters(_range)
    cp.FontSize = 8
    cp.ForeColor = Color.Red
    cp.Hidden = True
    e.RecordDocument.EndUpdateCharacters(cp)
End Sub

Private Shared Sub RichEditControl_MailMergeRecordFinished(ByVal sender As Object, ByVal e As MailMergeRecordFinishedEventArgs)
    e.RecordDocument.AppendDocumentContent("Docs\bungalow.docx", DocumentFormat.OpenXml)
End Sub

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the MailMergeRecordStarted event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

XAML

wpf-richedit-use-docvariable-fields/CS/MainWindow.xaml#L23

<dx:DXTabItem Header="Template">
    <dxre:RichEditControl Name="richEditControl1" Loaded="richEditControl1_Loaded" MailMergeStarted="richEditControl1_MailMergeStarted" MailMergeFinished="richEditControl1_MailMergeFinished" MailMergeRecordStarted="richEditControl1_MailMergeRecordStarted" MailMergeRecordFinished="richEditControl1_MailMergeRecordFinished" />
</dx:DXTabItem>

dxrichedit-for-wpf-how-to-implement-progress-indicator/CS/MainWindow.xaml#L19

<dx:DXTabItem Header="Template">
    <dxre:RichEditControl Name="richEditControl1" Loaded="richEditControl1_Loaded" MailMergeStarted="richEditControl1_MailMergeStarted" MailMergeFinished="richEditControl1_MailMergeFinished" MailMergeRecordStarted="richEditControl1_MailMergeRecordStarted" MailMergeRecordFinished="richEditControl1_MailMergeRecordFinished" />
</dx:DXTabItem>