SnapControl.MailMergeExportFormShowing Event

Fires before showing the Export Range form.

Namespace: DevExpress.Snap

Assembly: DevExpress.Snap.v19.2.dll

Declaration

C#

public event MailMergeExportFormShowingEventHandler MailMergeExportFormShowing

VB.NET

Public Event MailMergeExportFormShowing As MailMergeExportFormShowingEventHandler

Event Data

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

Property	Description
DialogResult	Gets or sets the return value of a dialog box. Inherited from ShowFormEventArgs.
Handled	Gets or sets whether an event was handled. If it was handled, the default actions are not required. Inherited from ShowFormEventArgs.
Options	Provides access to the mail merge options of the Export Range dialog window that is invoked when publishing a document.
Parent	Gets or sets a parent of the form being shown. Inherited from ShowFormEventArgs.

Remarks

The Export Range dialog window provides a user interface to specify the SnapMailMergeExportOptions. It is invoked after selecting the publishing format of a mail-merge document in the Data Tools: Mail Merge toolbar.

Example

This code snippet illustrates how to handle the SnapControl.MailMergeExportFormShowing event and specify the SnapMailMergeExportOptions.RecordSeparator and SnapMailMergeExportOptions.CustomSeparator properties to change the separator that is inserted between each pair of master sections.

Note

A complete sample project is available at https://github.com/DevExpress-Examples/how-to-provide-custom-separators-between-records-in-a-merged-document-e5073

Form1.cs

// Provide a user interface to select a custom separator.
private void snapControl1_MailMergeExportFormShowing(object sender, MailMergeExportFormShowingEventArgs e) {

    SnapMailMergeExportOptions eOptions = e.Options;

    MailMergeExportFormControllerParameters controllerParameters =
        new MailMergeExportFormControllerParameters(this.snapControl1, eOptions);
    eOptions.RecordSeparator = RecordSeparator.Custom;
    e.Handled = true;

    using (MyMailMergeExportForm mergeForm =
        new MyMailMergeExportForm(controllerParameters)) {
        mergeForm.LookAndFeel.ParentLookAndFeel = this.snapControl1.LookAndFeel;
        e.DialogResult = mergeForm.ShowDialog(this);
        switch (mergeForm.SeparatorType) {
            case MyMailMergeExportForm.SeparatorTypeEnum.Html:
                eOptions.CustomSeparator.HtmlText = mergeForm.HtmlSeparator;
                break;
            case MyMailMergeExportForm.SeparatorTypeEnum.RichText:
                eOptions.CustomSeparator.Text = string.Empty;
                eOptions.CustomSeparator.AppendDocumentContent(
                    mergeForm.RichSeparator.Range);
                break;
        }
    }
}

Form1.vb

' Provide a user interface to select a custom separator.
Private Sub snapControl1_MailMergeExportFormShowing(ByVal sender As Object, ByVal e As MailMergeExportFormShowingEventArgs) Handles snapControl1.MailMergeExportFormShowing

    Dim eOptions As SnapMailMergeExportOptions = e.Options

    Dim controllerParameters As New MailMergeExportFormControllerParameters(Me.snapControl1, eOptions)
    eOptions.RecordSeparator = RecordSeparator.Custom
    e.Handled = True

    Using mergeForm As New MyMailMergeExportForm(controllerParameters)
        mergeForm.LookAndFeel.ParentLookAndFeel = Me.snapControl1.LookAndFeel
        e.DialogResult = mergeForm.ShowDialog(Me)
        Select Case mergeForm.SeparatorType
            Case MyMailMergeExportForm.SeparatorTypeEnum.Html
                eOptions.CustomSeparator.HtmlText = mergeForm.HtmlSeparator
            Case MyMailMergeExportForm.SeparatorTypeEnum.RichText
                eOptions.CustomSeparator.Text = String.Empty
                eOptions.CustomSeparator.AppendDocumentContent(mergeForm.RichSeparator.Range)
        End Select
    End Using
End Sub