如何采取一个网页的sceenshot编程给出的URL作为输入？

How do take a sceenshot of a webpage programmatically given the URL as input?

这是我到现在：

// The size of the browser window when we want to take the screenshot (and the size of the resulting bitmap)
Bitmap bitmap = new Bitmap(1024, 768);
Rectangle bitmapRect = new Rectangle(0, 0, 1024, 768);
// This is a method of the WebBrowser control, and the most important part
webBrowser1.DrawToBitmap(bitmap, bitmapRect);

// Generate a thumbnail of the screenshot (optional)
System.Drawing.Image origImage = bitmap;
System.Drawing.Image origThumbnail = new Bitmap(120, 90, origImage.PixelFormat);

Graphics oGraphic = Graphics.FromImage(origThumbnail);
oGraphic.CompositingQuality = CompositingQuality.HighQuality;
oGraphic.SmoothingMode = SmoothingMode.HighQuality;
oGraphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
Rectangle oRectangle = new Rectangle(0, 0, 120, 90);
oGraphic.DrawImage(origImage, oRectangle);

// Save the file in PNG format
origThumbnail.Save(@"d:Screenshot.png", ImageFormat.Png);
origImage.Dispose();

不过，这是行不通的。它只是给了我一个白色的空白图片。我缺少的是在这里吗？

But this is not working. It is only giving me a white blank picture. What am I missing here?

有没有其他办法，我能得到一个网页的截图编程？

Is there any other way I could get the screenshot of a web page programmatically?

推荐答案

我搜查，搜查，搜查，并发现它的的网页thumbnailer的 的（一个的在code项目一文）。

I searched and searched and searched and found it Webpage thumbnailer (a The Code Project article).