iTextSharp writer.AddDirectImageSimple抛出异常 [英] iTextSharp writer.AddDirectImageSimple throws exception

问题描述

当代码看起来正确时，编写器抛出错误可能会出现什么问题？图像也存在。

What could be the problem for writer to throw an error, when the code seems correct? Image also exists.

var img2 = iTextSharp.text.Image.GetInstance("C:\\2.bmp");

writer.AddDirectImageSimple(img2);

at System.ThrowHelper.ThrowKeyNotFoundException()
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at iTextSharp.text.pdf.PdfWriter.AddDirectImageSimple(Image image, PdfIndirectReference fixedRef)
at iTextSharp.text.pdf.PdfWriter.AddDirectImageSimple(Image image)

推荐答案

这不是您将图像添加到PDF的方式。方法 AddDirectImageSimple 仅供专家使用。

That's not how you add an image to a PDF. The method AddDirectImageSimple is to be usd by specialists only.

使用该方法的目的是什么？如果要在文档中添加图像，则应使用：

What is your purpose when you use that method? If you want to add an Image to the document, you should use:

document.Add(img2);

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