Create Presentation
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Create PowerPoint Presentation
To add a simple plain line to a selected slide of the presentation, please follow the steps below:
- Create an instance of Presentation class.
- Obtain the reference of a slide by using its Index.
- Add an AutoShape of Line type using AddAutoShape method exposed by Shapes object.
- Write the modified presentation as a PPTX file.
In the example given below, we have added a line to the first slide of the presentation.
// Instantiate a Presentation object that represents a presentation file
using (Presentation presentation = new Presentation())
{
// Get the first slide
ISlide slide = presentation.Slides[0];
// Add an autoshape of type line
slide.Shapes.AddAutoShape(ShapeType.Line, 50, 150, 300, 0);
presentation.Save("NewPresentation_out.pptx", SaveFormat.Pptx);
}