问使用Aspose.Pdf库制作1层pdf

EN

//Instantiate Pdf instance by calling its empty constructor
Aspose.Pdf.Generator.Pdf pdf1 = new Aspose.Pdf.Generator.Pdf();

//Assign a security instance to Pdf object            
pdf1.Security = new Aspose.Pdf.Generator.Security();

//Restrict annotation modification
pdf1.Security.IsAnnotationsModifyingAllowed = false;

//Restrict contents modification
pdf1.Security.IsContentsModifyingAllowed = false;

//Restrict copying the data
pdf1.Security.IsCopyingAllowed = false;

//Allow to print the document
pdf1.Security.IsPrintingAllowed = true;

//Restrict form filling
pdf1.Security.IsFormFillingAllowed = false;

//Add a section in the Pdf
Aspose.Pdf.Generator.Section sec1 = pdf1.Sections.Add();

//Create a text paragraph and set top margin
Aspose.Pdf.Generator.Text text1 = new Aspose.Pdf.Generator.Text(sec1,"this is text content");
text1.Margin.Top = 30;

//Add image
Aspose.Pdf.Generator.Image img = new Aspose.Pdf.Generator.Image();
img.ImageInfo.File = "asposelogo.png";
img.ImageInfo.ImageFileType = Aspose.Pdf.Generator.ImageFileType.Png;

//Add the text paragraph and image to the section
sec1.Paragraphs.Add(text1);
sec1.Paragraphs.Add(img);

//Save the Pdf                            
pdf1.Save("test.pdf");