PowerPoint character formatting in C# and VB.NET

Name: GemBox.Presentation
Author: GemBox Ltd.

The example below shows some of the available character formatting options when using the GemBox.Presentation library in C# and VB.NET.

using GemBox.Presentation;

// If using the Professional version, put your serial key below.
ComponentInfo.SetLicense("FREE-LIMITED-KEY");

var presentation = new PresentationDocument();

// Create new slide.
var slide = presentation.Slides.AddNew(SlideLayoutType.Custom);

// Create new text box.
var textBox = slide.Content.AddTextBox(
    ShapeGeometryType.RoundedRectangle, 2, 2, 10, 20, LengthUnit.Centimeter);

// Create new paragraph.
var paragraph = textBox.AddParagraph();

// Create new run.
var run = paragraph.AddRun("All caps: ");
run = paragraph.AddRun("Capital letters");
run.Format.Caps = CapsType.All;

paragraph.AddLineBreak();

run = paragraph.AddRun("Bold: ");
run = paragraph.AddRun("Bold text");
run.Format.Bold = true;

paragraph.AddLineBreak();

run = paragraph.AddRun("Italic: ");
run = paragraph.AddRun("Italic text");
run.Format.Italic = true;

paragraph.AddLineBreak();

run = paragraph.AddRun("Underline: ");
run = paragraph.AddRun("Single underline text");
run.Format.UnderlineStyle = UnderlineStyle.Single;

paragraph.AddLineBreak();

run = paragraph.AddRun("Font size: ");
run = paragraph.AddRun("Font size is 14 points");
run.Format.Size = Length.From(14, LengthUnit.Point);

paragraph.AddLineBreak();

run = paragraph.AddRun("Strikethrough: ");
run = paragraph.AddRun("Some text");
run.Format.Strikethrough = StrikethroughType.Single;

paragraph.AddLineBreak();

run = paragraph.AddRun("Double strikethrough: ");
run = paragraph.AddRun("Some text");
run.Format.Strikethrough = StrikethroughType.Double;

paragraph.AddLineBreak();

run = paragraph.AddRun("Font color: ");
run = paragraph.AddRun("Red text");
run.Format.Fill.SetSolid(Color.FromName(ColorName.Red));

paragraph.AddLineBreak();

run = paragraph.AddRun("Font name: ");
run = paragraph.AddRun("Arial Black");
run.Format.Font = "Arial Black";

presentation.Save("Character Formatting.pptx");

Imports GemBox.Presentation

Module Program

    Sub Main()

        ' If using the Professional version, put your serial key below.
        ComponentInfo.SetLicense("FREE-LIMITED-KEY")

        Dim presentation = New PresentationDocument

        ' Create New slide.
        Dim slide = presentation.Slides.AddNew(SlideLayoutType.Custom)

        ' Create New text box.
        Dim textBox = slide.Content.AddTextBox(
            ShapeGeometryType.RoundedRectangle, 2, 2, 10, 20, LengthUnit.Centimeter)

        ' Create New paragraph.
        Dim paragraph = textBox.AddParagraph()

        ' Create New run.
        Dim run = paragraph.AddRun("All caps: ")
        run = paragraph.AddRun("Capital letters")
        run.Format.Caps = CapsType.All

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Bold: ")
        run = paragraph.AddRun("Bold text")
        run.Format.Bold = True

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Italic: ")
        run = paragraph.AddRun("Italic text")
        run.Format.Italic = True

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Underline: ")
        run = paragraph.AddRun("Single underline text")
        run.Format.UnderlineStyle = UnderlineStyle.Single

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Font size: ")
        run = paragraph.AddRun("Font size is 14 points")
        run.Format.Size = Length.From(14, LengthUnit.Point)

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Strikethrough: ")
        run = paragraph.AddRun("Some text")
        run.Format.Strikethrough = StrikethroughType.Single

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Double strikethrough: ")
        run = paragraph.AddRun("Some text")
        run.Format.Strikethrough = StrikethroughType.Double

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Font color: ")
        run = paragraph.AddRun("Red text")
        run.Format.Fill.SetSolid(Color.FromName(ColorName.Red))

        paragraph.AddLineBreak()

        run = paragraph.AddRun("Font name: ")
        run = paragraph.AddRun("Arial Black")
        run.Format.Font = "Arial Black"

        presentation.Save("Character Formatting.pptx")
    End Sub
End Module

Screenshot of PowerPoint text formatted with GemBox.Presentation

GemBox.Presentation supports a variety of TextCharacterFormat options, some of which are:

Font name
Size and color (fill)
Underline style and color (fill)
Bold (on/off property)
Italic (on/off property)

PowerPoint character formatting in C# and VB.NET

See also

Next steps