SubDocument.BeginUpdateParagraphs(DocumentRange) Method

Starts modifying properties of the paragraphs that fall within a specified document range.

Namespace: DevExpress.XtraRichEdit.API.Native

Assembly: DevExpress.RichEdit.v24.2.Core.dll

NuGet Package: DevExpress.RichEdit.Core

Declaration

C#

ParagraphProperties BeginUpdateParagraphs(
    DocumentRange range
)

VB.NET

Function BeginUpdateParagraphs(
    range As DocumentRange
) As ParagraphProperties

Parameters

Name	Type	Description
range	DocumentRange	A DocumentRange specifying the DocumentRange.Start and DocumentRange.End of the text.

Returns

Type	Description
ParagraphProperties	A ParagraphProperties object representing paragraph formatting.

Example

The following code snippet changes paragraph formatting in code:

C#

using DevExpress.XtraRichEdit.API.Native;
using DevExpress.Office.Utils;

using (var wordProcessor = new RicheditDocumentServer())
{
    // Access a document.
    Document document = wordProcessor.Document;

    // Start to edit the document.
    document.BeginUpdate();

    // Append text to the document.
    document.AppendText("Modified Paragraph\nNormal\nNormal");

    // Finalize document modification.
    document.EndUpdate();

    // Access the first paragraph's range
    DocumentRange range = document.Paragraphs[0].Range;

    // Start to edit the paragraph.
    ParagraphProperties pp = document.BeginUpdateParagraphs(range);

    // Specify the paragraph's alignment.
    pp.Alignment = ParagraphAlignment.Center;

    // Specify the paragraph's line spacing.
    pp.LineSpacingType = ParagraphLineSpacing.Multiple;
    pp.LineSpacingMultiplier = 3;

    // Set the paragraph's left indent to 0.5 document unit.
    // Default unit is 1/300 of an inch (a document unit).
    pp.LeftIndent = Units.InchesToDocumentsF(0.5f);

    // Start to modify tab stops in the paragraph.
    TabInfoCollection tbiColl = pp.BeginUpdateTabs(true);

    // Create a new tab stop for the paragraph.
    TabInfo tbi = TabInfo();

    // Specify the tab stop's alignment type.
    tbi.Alignment = TabAlignmentType.Center;

    // Set the tab stop position to 1.5 document unit.
    tbi.Position = Units.InchesToDocumentsF(1.5f);

    // Add the tab stop to the collection of tab stops.
    tbiColl.Add(tbi);

    // Finalize tab stop modification.
    pp.EndUpdateTabs(tbiColl);

    // Finalize the paragraph edit operation.
    document.EndUpdateParagraphs(pp);
}

VB.NET

Imports Microsoft.VisualBasic
Imports DevExpress.XtraRichEdit.API.Native
Imports DevExpress.Office.Utils

Using wordProcessor = New RicheditDocumentServer()
    ' Access a document.
    Dim document As Document = wordProcessor.Document

    ' Start to edit the document.
    document.BeginUpdate()

    ' Append text to the document.
    document.AppendText("Modified Paragraph\nNormal\nNormal")

    ' Finalize document modification.
    document.EndUpdate()

    ' Access the first paragraph range
    Dim range As DocumentRange = document.Paragraphs(0).Range

    ' Start to edit the paragraph.
    Dim pp As ParagraphProperties = document.BeginUpdateParagraphs(range)

    ' Specify the paragraph's alignment.
    pp.Alignment = ParagraphAlignment.Center

    ' Specify the paragraph's line spacing.
    pp.LineSpacingType = ParagraphLineSpacing.Multiple
    pp.LineSpacingMultiplier = 3

    ' Set the paragraph's left indent to 0.5 document unit.
    ' Default unit is 1/300 of an inch (a document unit).
    pp.LeftIndent =.Units.InchesToDocumentsF(0.5F)

    ' Start to modify tab stops in the paragraph.
    Dim tbiColl As TabInfoCollection = pp.BeginUpdateTabs(True)

    ' Create a new tab stop for the paragraph.
    Dim tbi As TabInfo = TabInfo()

    ' Specify the tab stop's alignment type.
    tbi.Alignment = TabAlignmentType.Center

    ' Set the tab stop position to 1.5 document unit.
    tbi.Position = Units.InchesToDocumentsF(1.5F)

    ' Add the tab stop to the collection of tab stops.
    tbiColl.Add(tbi)

    ' Finalize tab stop modification.
    pp.EndUpdateTabs(tbiColl)

    ' Finalize the paragraph edit operation.
    document.EndUpdateParagraphs(pp)
End Using

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the BeginUpdateParagraphs(DocumentRange) method.

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.

C#

winforms-richedit-document-api/CS/RichEditAPISample/CodeExamples/Formatting.cs#L61

// that sets character formatting for the selected range
ParagraphProperties pp = document.BeginUpdateParagraphs(range);
// Center paragraph

winforms-richedit-tables-simple-example/CS/TablesSimpleExample/Form1.cs#L133

document.EndUpdateCharacters(properties);
ParagraphProperties alignment = document.BeginUpdateParagraphs(table[0, 2].ContentRange);
alignment.Alignment = ParagraphAlignment.Center;

word-document-api-table-examples/CS/TablesSimpleExample/Program.cs#L109

document.EndUpdateCharacters(properties);
ParagraphProperties alignment = document.BeginUpdateParagraphs(table[0, 1].ContentRange);
alignment.Alignment = ParagraphAlignment.Center;

wpf-richedit-document-api/CS/DXRichEditControlAPISample/CodeExamples/FormattingActions.cs#L48

DocumentRange range = document.CreateRange(pos, 0);
ParagraphProperties pp = document.BeginUpdateParagraphs(range);
// Center paragraph

winforms-rich-edit-implement-ms-office-word-format-painter/CS/DXApplication9/Form1.cs#L115

DevExpress.XtraRichEdit.API.Native.ParagraphProperties targetParagraphProperties = targetSubDocument.BeginUpdateParagraphs(targetSelectedRange);
DevExpress.XtraRichEdit.API.Native.ParagraphProperties sourceParagraphProperties = subDocument.BeginUpdateParagraphs(sourceSelectedRange);

VB.NET

winforms-richedit-document-api/VB/RichEditAPISample/CodeExamples/Formatting.vb#L54

' that sets character formatting for the selected range
Dim pp As DevExpress.XtraRichEdit.API.Native.ParagraphProperties = document.BeginUpdateParagraphs(range)
' Center paragraph

winforms-richedit-tables-simple-example/VB/TablesSimpleExample/Form1.vb#L109

document.EndUpdateCharacters(properties)
Dim alignment As ParagraphProperties = document.BeginUpdateParagraphs(table(0, 2).ContentRange)
alignment.Alignment = ParagraphAlignment.Center

word-document-api-table-examples/VB/TablesSimpleExample/Program.vb#L89

document.EndUpdateCharacters(properties)
Dim alignment As ParagraphProperties = document.BeginUpdateParagraphs(table(0, 1).ContentRange)
alignment.Alignment = ParagraphAlignment.Center

wpf-richedit-document-api/VB/DXRichEditControlAPISample/CodeExamples/FormattingActions.vb#L43

Dim range As DocumentRange = document.CreateRange(pos, 0)
Dim pp As ParagraphProperties = document.BeginUpdateParagraphs(range)
' Center paragraph

winforms-rich-edit-implement-ms-office-word-format-painter/VB/DXApplication9/Form1.vb#L104

Dim targetParagraphProperties As DevExpress.XtraRichEdit.API.Native.ParagraphProperties = targetSubDocument.BeginUpdateParagraphs(targetSelectedRange)
Dim sourceParagraphProperties As DevExpress.XtraRichEdit.API.Native.ParagraphProperties = subDocument.BeginUpdateParagraphs(sourceSelectedRange)