添加多行水印

Contents
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实现细节

请参考以下代码块以在现有 PDF 中添加多行水印。

// For complete examples and data files, visit https://github.com/aspose-pdf/Aspose.PDF-for-.NET
private static void AddTextStampToPdf()
{
    // Instantiate a stamp object
    var logoStamp = new Aspose.Pdf.Facades.Stamp();

    // Instantiate an object of FormattedText class
    var formatText = new Aspose.Pdf.Facades.FormattedText("Hello World!",
        System.Drawing.Color.FromArgb(180, 0, 0), 
        Aspose.Pdf.Facades.FontStyle.TimesItalic,
        Aspose.Pdf.Facades.EncodingType.Winansi, false, 50);

    // Add another line for Stamp
    formatText.AddNewLineText("Good Luck");
    // BindLogo to PDF
    logoStamp.BindLogo(formatText);
}