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Both the VSTO and Aspose.Slides methods take the following steps:
- Open the source presentation.
- Access the first slide.
- Access the third text box.
- Change the formatting of the text in the third text box.
- Save the presentation to disk.
VSTO
//Open the presentation
Presentation pres = new Presentation("source.ppt");
//Add Verdana font
FontEntity font = pres.Fonts[0];
FontEntity verdanaFont = new FontEntity(pres, font);
verdanaFont.FontName = "Verdana";
int verdanaFontIndex = pres.Fonts.Add(verdanaFont);
//Access the first slide
Slide slide = pres.GetSlideByPosition(1);
//Access the third shape
Shape shp = slide.Shapes[2];
//Change its text's font to Verdana and height to 32
TextFrame tf = shp.TextFrame;
Paragraph para = tf.Paragraphs[0];
Portion port = para.Portions[0];
port.FontIndex = verdanaFontIndex;
port.FontHeight = 32;
//Bolden it
port.FontBold = true;
//Italicize it
port.FontItalic = true;
//Change text color
port.FontColor = Color.FromArgb(0x33, 0x33, 0xCC);
//Change shape background color
shp.FillFormat.Type = FillType.Solid;
shp.FillFormat.ForeColor = Color.FromArgb(0xCC, 0xCC, 0xFF);
//Write the output to disk
pres.Write("outAspose.ppt");
Aspose.Slides
PowerPoint.Presentation pres = null;
//Open the presentation
pres = Globals.ThisAddIn.Application.Presentations.Open("source.ppt",
Microsoft.Office.Core.MsoTriState.msoFalse,
Microsoft.Office.Core.MsoTriState.msoFalse,
Microsoft.Office.Core.MsoTriState.msoTrue);
//Access the first slide
PowerPoint.Slide slide = pres.Slides[1];
//Access the third shape
PowerPoint.Shape shp = slide.Shapes[3];
//Change its text's font to Verdana and height to 32
PowerPoint.TextRange txtRange = shp.TextFrame.TextRange;
txtRange.Font.Name = "Verdana";
txtRange.Font.Size = 32;
//Bolden it
txtRange.Font.Bold = Microsoft.Office.Core.MsoTriState.msoCTrue;
//Italicize it
txtRange.Font.Italic = Microsoft.Office.Core.MsoTriState.msoCTrue;
//Change text color
txtRange.Font.Color.RGB = 0x00CC3333;
//Change shape background color
shp.Fill.ForeColor.RGB = 0x00FFCCCC;
//Reposition it horizontally
shp.Left -= 70;
//Write the output to disk
pres.SaveAs("outVSTO.ppt",
PowerPoint.PpSaveAsFileType.ppSaveAsPresentation,
Microsoft.Office.Core.MsoTriState.msoFalse);