如何使用C＃桌面应用程序插入Ppt文件的字体大小和字体名称以及其他属性 [英] How Do I Cange The Font Size And Font Name And Other Properties Of Ppt File Using C # Desktop Application

问题描述

此代码提取文件和字体大小以及ppt文件的名称。

现在我想以编程方式更改这些属性

this code extract the text and font size and name of ppt file .
now i want to change these properties pro-grammatically

string path = @"c:\users\taimoor\PPT\";
           Microsoft.Office.Interop.PowerPoint.Application powerPointApp =
               new Microsoft.Office.Interop.PowerPoint.Application();
           PowerPoint.Presentations multiPresentations = powerPointApp.Presentations;
           Microsoft.Office.Interop.PowerPoint.Presentation presentation = multiPresentations.Open(path + "Demo.pptx");
           string presentationText = "";

           string fonts = "";
           for (int i = 0; i < presentation.Slides.Count; i++)
           {
               foreach (object item in presentation.Slides[i + 1].Shapes)
               {
                   PowerPoint.Shape shape = (PowerPoint.Shape) item;

                   var slide = (PowerPoint.Slide) item;
                   foreach (var it in slide.Shapes)
                   {
                       if (shape.HasTextFrame == MsoTriState.msoTrue)
                       {

                           string c= shape.TextFrame.TextRange.Font.Size.ToString(CultureInfo.InvariantCulture);
                           textBox3.Text = c;
                           if (shape.TextFrame.HasText == MsoTriState.msoTrue)
                           {
                               PowerPoint.TextRange textRange = shape.TextFrame.TextRange;
                               string text = textRange.Text;
                               string font = Font.Name;
                               float size = Font.Size;
                               FontStyle style = Font.Style;
                               presentationText += text + " ";

                               // get the text size head and body
                               float fontSize = shape.TextFrame.TextRange.Font.Size;

                               //  get the length of body text
                               int bodyLength = shape.TextFrame.TextRange.Length;

                               // get text of all body
                               string v = shape.TextFrame.TextRange.Text;

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