打印程序异常终止 - 火绒安全软件

private void StartWebSocket()
{
server = new WebSocketServer("ws://0.0.0.0:5597");
server.Start(socket =>
{
socket.OnOpen = () => Console.WriteLine("Open!");
socket.OnClose = () => Console.WriteLine("Close!");
socket.OnMessage = message =>
{
PrintHTML(message);
};
});
}
private void PrintHTML(string html)
{
webBrowser1.DocumentCompleted += WebBrowser1_DocumentCompleted;
webBrowser1.DocumentText = html;
}
private void WebBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
var browser = sender as WebBrowser;
// 检查文档是否完全加载
if (browser.ReadyState == WebBrowserReadyState.Complete)
{
// 取消事件，避免多次触发
browser.DocumentCompleted -= WebBrowser1_DocumentCompleted;
// 打印文档
//RemoveHeaderAndFooterForPrinting();
try
{
browser.Print();
}
catch (Exception ex)
{
MessageBox.Show("打印失败: " + ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}

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