当我调试捕获按钮代码行一行它捕获图像，但当我删除调试点并运行应用程序并单击捕获按钮它不捕获图像 [英] When I Debug Capture Button Code Line By Line It Capture Image But When I Remove Debug Point And Run Application And Click On Capture Button It Was Not Capturing Image

问题描述

        private void btnCaptureIage_Click(object sender, EventArgs e)
        {
         webBrowser1.Select();   
           Application.DoEvents();
            Bitmap bitmap = new Bitmap(webBrowser1.Width, webBrowser1.Height);
            webBrowser1.DrawToBitmap(bitmap, new Rectangle(0, 0, 
            webBrowser1.Width,webBrowser1.Height));                     
            pictureBox1.BackgroundImage = bitmap;
            Application.DoEvents();
}

推荐答案

在WebBrowser控件上使用此方法遇到问题并不是唯一的问题：它是一种方法Microsoft告诉您不要使用的内部使用：[ ^ ]。



而且，是的，这是一个合乎逻辑的问题：为什么，如果它不打算被凡人使用，它是否可用？



这是另一种方法：[ ^ ]; imho，这整个StackOverFlow线程非常值得研究。

You are not alone in experiencing problems with using this method on the WebBrowser Control: it's a method meant for internal use that Microsoft tells you not to use: [^].

And, yes, this is a logical question to ask: why, if it is not meant to be used by "mere mortals," is it made available ?

Here's another approach: [^]; imho, this entire StackOverFlow thread is well worth studying.

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