C# POWERPOINT LIBRARYHigh-performance WinUI PowerPoint Framework

<Window
 x:Class="CreatePowerPoint.MainWindow"
    xmlns=http://schemas.microsoft.com/winfx/2006/xaml/presentation
    xmlns:x=http://schemas.microsoft.com/winfx/2006/xaml
    xmlns:local="using:CreatePowerPoint"
    xmlns:d=http://schemas.microsoft.com/expression/blend/2008
    xmlns:mc=http://schemas.openxmlformats.org/markup-compatibility/2006
    mc:Ignorable="d">

    <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">
        <Button x:Name="button" Click="CreatePresentation">Create Presentation</Button>
    </StackPanel>
</Window>

//Create a new instance of the PowerPoint Presentation file.
using (IPresentation pptxDoc = Presentation.Create());
//Add a new slide to the file and apply background color.
ISlide slide = pptxDoc.Slides.Add(SlideLayoutType.TitleOnly);

//Add title content to the slide by accessing the title placeholder of the TitleOnly layout-slide.
IShape titleShape = slide.Shapes[0] as IShape;
titleShape.TextBody.AddParagraph("Company History").HorizontalAlignment = HorizontalAlignmentType.Center;

//Add description content to the slide by adding a new TextBox.
IShape descriptionShape = slide.AddTextBox(53.22, 141.73, 874.19, 77.70);
descriptionShape.TextBody.Text = "IMN Solutions PVT LTD is the software company, established in 1987, by George Milton. The company has been listed as the trusted partner for many high-profile organizations since 1988 and got awards for quality products from reputed organizations.";

//Save the PowerPoint Presentation as a stream.
using (FileStream outputStream = new FileStream("Sample.pptx", FileMode.Create));
pptxDoc.Save(outputStream);