import com.spire.doc.Document;
import com.spire.doc.DocumentObject;
import com.spire.doc.FileFormat;
import com.spire.doc.Section;
import com.spire.doc.documents.*;
import com.spire.doc.fields.ShapeObject;

public class RotateShape {
    public static void main(String[] args) throws Exception {

               //Load the Sample Word document.
                Document doc = new Document();
                doc.loadFromFile("InsertShapes.docx");

               //Get the first section
                Section sec = doc.getSections().get(0);

                //Traverse every paragraphs to get the shapes and rotate them
                for ( Paragraph para: (Iterable<⁢Paragraph>) sec.getParagraphs()) {
                    for (DocumentObject obj : (Iterable⁢<DocumentObject>) para.getChildObjects()) {

                        if (obj instanceof ShapeObject) {
                            ((ShapeObject) obj).setRotation(20);

                        }
                    }
                }
                //Save to file
                doc.saveToFile("output/RotateShape.docx", FileFormat.Docx);

    }
}

using Spire.Presentation;

namespace AlignTable
{
    class Program
    {
        static void Main(string[] args)
        {
            //Load PowerPoint document
            Presentation ppt = new Presentation();
            ppt.LoadFromFile("Table.pptx");
            ITable table = null;
            //Loop through the shapes in the first slide
            foreach (IShape shape in ppt.Slides[0].Shapes)
            {
                //Find the table and align it to the bottom of the slide
                if (shape is ITable)
                {
                    table = (ITable)shape;
                    table.SetShapeAlignment(Spire.Presentation.ShapeAlignment.AlignBottom);
                }
            }

            //Save the resultant document
            ppt.SaveToFile("Result.pptx", FileFormat.Pptx2013);
        }
    }
}

PdfDocument doc = new PdfDocument();
doc.LoadFromFile("Sample.pdf");

PdfPageBase page = doc.Pages[0];
float pointWidth = page.Size.Width;
float pointHeight = page.Size.Height;

//Create PdfUnitConvertor to convert the unit
PdfUnitConvertor unitCvtr = new PdfUnitConvertor();

//Convert the size with "pixel"
float pixelWidth = unitCvtr.ConvertUnits(pointWidth, PdfGraphicsUnit.Point, PdfGraphicsUnit.Pixel);
float pixelHeight = unitCvtr.ConvertUnits(pointHeight, PdfGraphicsUnit.Point, PdfGraphicsUnit.Pixel);

//Convert the size with "inch"
float inchWidth = unitCvtr.ConvertUnits(pointWidth, PdfGraphicsUnit.Point, PdfGraphicsUnit.Inch);
float inchHeight = unitCvtr.ConvertUnits(pointHeight, PdfGraphicsUnit.Point, PdfGraphicsUnit.Inch);

//Convert the size with "centimeter"
float centimeterWidth = unitCvtr.ConvertUnits(pointWidth, PdfGraphicsUnit.Point, PdfGraphicsUnit.Centimeter);
float centimeterHeight = unitCvtr.ConvertUnits(pointHeight, PdfGraphicsUnit.Point, PdfGraphicsUnit.Centimeter);

//Create StringBuilder to save 
StringBuilder content = new StringBuilder();
//Add pointSize string to StringBuilder
content.AppendLine("The page size of the file is (width: " + pointWidth + "pt, height: " + pointHeight + "pt).");
content.AppendLine("The page size of the file is (width: " + pixelWidth + "pixel, height: " + pixelHeight + "pixel).");
content.AppendLine("The page size of the file is (width: " + inchWidth + "inch, height: " + inchHeight + "inch).");
content.AppendLine("The page size of the file is (width: " + centimeterWidth + "cm, height: " + centimeterHeight + "cm.)");

String output = "GetPageSize_out.txt";
//Save them to a txt file
File.WriteAllText(output, content.ToString());

using Spire.Pdf;
using Spire.Pdf.Actions;
using Spire.Pdf.General;
using Spire.Pdf.Graphics;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace GetPDFPageSize
{
    class Program
    {
        static void Main(string[] args)
        {

            PdfDocument doc = new PdfDocument();
            doc.LoadFromFile("Sample.pdf");

            //Get the first page of the loaded PDF file
            PdfPageBase page = doc.Pages[0];
            //Get the width of page based on "point"
            float pointWidth = page.Size.Width;
            //Get the height of page
            float pointHeight = page.Size.Height;

            //Create PdfUnitConvertor to convert the unit
            PdfUnitConvertor unitCvtr = new PdfUnitConvertor();

            //Convert the size with "pixel"
            float pixelWidth = unitCvtr.ConvertUnits(pointWidth, PdfGraphicsUnit.Point, PdfGraphicsUnit.Pixel);
            float pixelHeight = unitCvtr.ConvertUnits(pointHeight, PdfGraphicsUnit.Point, PdfGraphicsUnit.Pixel);

            //Convert the size with "inch"
            float inchWidth = unitCvtr.ConvertUnits(pointWidth, PdfGraphicsUnit.Point, PdfGraphicsUnit.Inch);
            float inchHeight = unitCvtr.ConvertUnits(pointHeight, PdfGraphicsUnit.Point, PdfGraphicsUnit.Inch);

            //Convert the size with "centimeter"
            float centimeterWidth = unitCvtr.ConvertUnits(pointWidth, PdfGraphicsUnit.Point, PdfGraphicsUnit.Centimeter);
            float centimeterHeight = unitCvtr.ConvertUnits(pointHeight, PdfGraphicsUnit.Point, PdfGraphicsUnit.Centimeter);

            //Create StringBuilder to save 
            StringBuilder content = new StringBuilder();
            
            //Add pointSize string to StringBuilder
            content.AppendLine("The page size of the file is (width: " + pointWidth + "pt, height: " + pointHeight + "pt).");
            content.AppendLine("The page size of the file is (width: " + pixelWidth + "pixel, height: " + pixelHeight + "pixel).");
            content.AppendLine("The page size of the file is (width: " + inchWidth + "inch, height: " + inchHeight + "inch).");
            content.AppendLine("The page size of the file is (width: " + centimeterWidth + "cm, height: " + centimeterHeight + "cm.)");

            String output = "GetPageSize_out.txt";

            //Save them to a txt file
            File.WriteAllText(output, content.ToString());        

        }
    }
}