Working with Text Formatting in Blazor DocumentEditor Component

8 Jul 20243 minutes to read

Blazor Document Editor supports several formatting options for text like bold, italic, font color, highlight color, and more. This section describes how to modify the formatting for selected text in detail.

Bold

The bold formatting for selected text can be get or set by using the following sample code.

//Gets the value for bold formatting of selected text.
bool bold = await documentEditor.Selection.CharacterFormat.GetBoldAsync();
//Sets bold formatting for selected text.
await documentEditor.Selection.CharacterFormat.SetBoldAsync(true);

You can toggle the bold formatting based on existing value at selection. Refer to the following sample code.

await documentEditor.Editor.ToggleBoldAsync();

Italic

The Italic formatting for selected text can be get or set by using the following sample code.

//Gets the value for italic formatting of selected text.
bool italic = await documentEditor.Selection.CharacterFormat.GetItalicAsync();
//Sets italic formatting for selected text.
await documentEditor.Selection.CharacterFormat.SetItalicAsync(true);

You can toggle the Italic formatting based on existing value at selection. Refer to the following sample code.

await documentEditor.Editor.ToggleItalicAsync();

Underline property

The underline style for selected text can be get or set by using the following sample code.

//Gets the value for underline formatting of selected text.
Underline underline = await documentEditor.Selection.CharacterFormat.GetUnderlineAsync();
//Sets underline formatting for selected text.
await documentEditor.Selection.CharacterFormat.SetUnderlineAsync(Underline.Single);

You can toggle the underline style of selected text based on existing value at selection by specifying a value. Refer to the following sample code.

await documenteditor.Editor.ToggleUnderlineAsync(Underline.Single);

Strikethrough property

The strikethrough style for selected text can be get or set by using the following sample code.

//Gets the value for strikethrough formatting of selected text.
Strikethrough strikethrough = await documentEditor.Selection.CharacterFormat.GetStrikethroughAsync();
//Sets strikethrough formatting for selected text.
await documentEditor.Selection.CharacterFormat.SetStrikethroughAsync(Strikethrough.SingleStrike);

You can toggle the strikethrough style of selected text based on existing value at selection by specifying a value. Refer to the following sample code.

await documentEditor.Editor.ToggleStrikethroughAsync(Strikethrough.SingleStrike);

Superscript property

The selected text can be made superscript by using the following sample code.

//Gets the value for baseline alignment formatting of selected text.
BaselineAlignment baselineAlignment = await documentEditor.Selection.CharacterFormat.GetBaselineAlignmentAsync();
//Sets baseline alignment formatting for selected text.
await documentEditor.Selection.CharacterFormat.SetBaselineAlignmentAsync(BaselineAlignment.Superscript);

Toggle the selected text as superscript or normal using the following sample code.

await documentEditor.Editor.ToggleSuperscriptAsync();

Subscript property

The selected text can be made subscript by using the following sample code.

await documentEditor.Selection.CharacterFormat.SetBaselineAlignmentAsync(BaselineAlignment.Subscript);

Toggle the selected text as subscript or normal using the following sample code.

await documentEditor.Editor.ToggleSubscriptAsync();

You can make a subscript or superscript text as normal using the following code.

await documentEditor.Selection.CharacterFormat.SetBaselineAlignmentAsync(BaselineAlignment.Normal);

Size

The size of selected text can be get or set using the following code.

await documentEditor.Selection.CharacterFormat.SetFontSizeAsync(32);

Color

The color of selected text can be get or set using the following code.

await documentEditor.Selection.CharacterFormat.SetFontColorAsync("Pink");
await documentEditor.Selection.CharacterFormat.SetFontColorAsync("FFC0CB");

Font

The font style of selected text can be get or set using the following sample code.

await documentEditor.Selection.CharacterFormat.SetFontFamilyAsync("Arial");

Highlight color

The highlight color of the selected text can be get or set using the following sample code.

await documentEditor.Selection.CharacterFormat.SetHighlightColorAsync(HighlightColor.Pink);

You can also explore our Blazor Word Processor example to know how to render and configure the document editor.