Create PDF Files in C#

create-form.cs

// Open document
Document pdfDocument = new Document("document.pdf");

// Create a field
TextBoxField textBoxField = new TextBoxField(pdfDocument.Pages[1], new Aspose.Pdf.Rectangle(100, 200, 300, 300));
textBoxField.PartialName = "textbox1";
textBoxField.Value = "Text Box";

// TextBoxField.Border = new Border(
Border border = new Border(textBoxField);
border.Width = 5;
border.Dash = new Dash(1, 1);
textBoxField.Border = border;

textBoxField.Color = Aspose.Pdf.Color.FromRgb(System.Drawing.Color.Green);

// Add field to the document
pdfDocument.Form.Add(textBoxField, 1);

// Save modified PDF
pdfDocument.Save("output.pdf");

create-pdf.cs

// Initialize document object
Document document = new Document();

// Add page
Page page = document.Pages.Add();

// Add text to new page
page.Paragraphs.Add(new Aspose.Pdf.Text.TextFragment("Hello World!"));

// Save PDF 
document.Save("document.pdf");

edit-pdf.cs

// Load PDF
var pdfDocument = new Aspose.Pdf.Document("document.pdf");

// Make some manipulation, e.g add new empty page
pdfDocument.Pages.Add();

// Save the updated PDF
pdfDocument.Save(modifiedFileName);

insert-image.cs

// Open document
Document pdfDocument = new Document("document.pdf");

// Set coordinates
int lowerLeftX = 100;
int lowerLeftY = 100;
int upperRightX = 200;
int upperRightY = 200;

// Get the page where image needs to be added
Page page = pdfDocument.Pages[1];

// Load image into stream
FileStream imageStream = new FileStream("aspose-logo.jpg", FileMode.Open);

// Add image to Images collection of Page Resources
page.Resources.Images.Add(imageStream);

// Using GSave operator: this operator saves current graphics state
page.Contents.Add(new Aspose.Pdf.Operators.GSave());

// Create Rectangle and Matrix objects
Aspose.Pdf.Rectangle rectangle = new Aspose.Pdf.Rectangle(lowerLeftX, lowerLeftY, upperRightX, upperRightY);
Matrix matrix = new Matrix(new double[] { rectangle.URX - rectangle.LLX, 0, 0, rectangle.URY - rectangle.LLY, rectangle.LLX, rectangle.LLY });

// Using ConcatenateMatrix (concatenate matrix) operator: defines how image must be placed
page.Contents.Add(new Aspose.Pdf.Operators.ConcatenateMatrix(matrix));
XImage ximage = page.Resources.Images[page.Resources.Images.Count];

// Using Do operator: this operator draws image
page.Contents.Add(new Aspose.Pdf.Operators.Do(ximage.Name));

// Using GRestore operator: this operator restores graphics state
page.Contents.Add(new Aspose.Pdf.Operators.GRestore()); 

// Save updated document
pdfDocument.Save("document.pdf");

insert-table.cs

// Load source PDF document
Aspose.Pdf.Document doc = new Aspose.Pdf.Document("document.pdf");

// Initializes a new instance of the Table
Aspose.Pdf.Table table = new Aspose.Pdf.Table();

// Set the table border color as LightGray
table.Border = new Aspose.Pdf.BorderInfo(Aspose.Pdf.BorderSide.All, .5f, Aspose.Pdf.Color.FromRgb(System.Drawing.Color.LightGray));

// Set the border for table cells
table.DefaultCellBorder = new Aspose.Pdf.BorderInfo(Aspose.Pdf.BorderSide.All, .5f, Aspose.Pdf.Color.FromRgb(System.Drawing.Color.LightGray));

// Create a loop to add 10 rows
for (int row_count = 1; row_count < 10; row_count++)
{
    // Add row to table
    Aspose.Pdf.Row row = table.Rows.Add();
    // Add table cells
    row.Cells.Add("Column (" + row_count + ", 1)");
    row.Cells.Add("Column (" + row_count + ", 2)");
    row.Cells.Add("Column (" + row_count + ", 3)");
}

// Add table object to first page of input document
doc.Pages[1].Paragraphs.Add(table);

// Save updated document containing table object
doc.Save("document_with_table_out.pdf");