How to: Insert Text Box

• Nov 13, 2018

Note

A complete sample project is available at https://github.com/DevExpress-Examples/winforms-richedit-document-api-e5219

Shapes.cs

document.AppendText("Line One\nLine Two\nLine Three");
Shape myTextBox = document.Shapes.InsertTextBox(document.CreatePosition(15));
myTextBox.HorizontalAlignment = ShapeHorizontalAlignment.Center;
// Specify the text box background color.
myTextBox.Fill.Color = System.Drawing.Color.WhiteSmoke;
// Draw a border around the text box.
myTextBox.Line.Color = System.Drawing.Color.Black;
myTextBox.Line.Thickness = 1;
// Modify text box content.
SubDocument textBoxDocument = myTextBox.TextBox.Document;
textBoxDocument.AppendText("TextBox Text");
CharacterProperties cp = textBoxDocument.BeginUpdateCharacters(textBoxDocument.Range.Start, 7);
cp.ForeColor = System.Drawing.Color.Orange;
cp.FontSize = 24;
textBoxDocument.EndUpdateCharacters(cp);

Shapes.vb

document.AppendText("Line One" & vbLf & "Line Two" & vbLf & "Line Three")
Dim myTextBox As Shape = document.Shapes.InsertTextBox(document.CreatePosition(15))
myTextBox.HorizontalAlignment = ShapeHorizontalAlignment.Center
' Specify the text box background color.
myTextBox.Fill.Color = System.Drawing.Color.WhiteSmoke
' Draw a border around the text box.
myTextBox.Line.Color = System.Drawing.Color.Black
myTextBox.Line.Thickness = 1
' Modify text box content.
Dim textBoxDocument As SubDocument = myTextBox.TextBox.Document
textBoxDocument.AppendText("TextBox Text")
Dim cp As CharacterProperties = textBoxDocument.BeginUpdateCharacters(textBoxDocument.Range.Start, 7)
cp.ForeColor = System.Drawing.Color.Orange
cp.FontSize = 24
textBoxDocument.EndUpdateCharacters(cp)