等到WebBrowser控件页面加载 [英] Wait until page loads in webbrowser control
问题描述
我使用的是C#WebBrowswer控制和我有一样的时候下一步按钮时不加载页面pssed $ P $但程序试图进行一个问题,而是给了我一个空的错误。
是否有使程序等待,直到页面加载完成的功能?
我试图把一个while循环来检查HTML页面的标题,但然后程序冻结的程序。喜欢的东西将冻结程序:
而(!webbrowser1.Document.Title.ToString()。等于(NextPageTitle))
{
}
:: NextCommands ::
它不工作,我想,和按钮fblqf不点击。但它不是返回null错误。
公共无效的button1_Click(对象发件人,EventArgs的发送)
{ webBrowser1.Document.GetElementById(Q)的setAttribute(价值,חחח);
webBrowser1.Document.GetElementById(btnK)InvokeMember(点击);
webBrowser1.DocumentCompleted + = webBrowser1_DocumentCompleted;
}
无效webBrowser1_DocumentCompleted(对象发件人,WebBrowserDocumentCompletedEventArgs E)
{
//你需要现在该页面已完成加载做的工作
webBrowser1.Document.GetElementById(fblqf)InvokeMember(点击);
}
解决方案:
公共无效的button1_Click(对象发件人,EventArgs的发送)
{
webBrowser1.Document.GetElementById(Q)的setAttribute(价值,חחח);
webBrowser1.Document.GetElementById(btnK)InvokeMember(点击);
INT X = 0;
而(X == 0)
{
System.Windows.Forms.Application.DoEvents();
如果(webBrowser1.Document.GetElementById(pnnext)!= NULL)
打破;
} webBrowser1.Document.GetElementById(pnnext)InvokeMember(点击);
webBrowser1.Document.GetElementById(Q)焦点()。
}
我发现了一个简单的解决方案!
在非常努力的工作,我发现的东西,固定对我来说:)
公共无效的button1_Click(对象发件人,EventArgs的发送)
{
webBrowser1.Document.GetElementById(Q)的setAttribute(价值,חחח);
webBrowser1.Document.GetElementById(btnK)InvokeMember(点击);
INT X = 0;
而(X == 0)
{
System.Windows.Forms.Application.DoEvents();
如果(webBrowser1.Document.GetElementById(pnnext)!= NULL)
打破;
} webBrowser1.Document.GetElementById(pnnext)InvokeMember(点击);
webBrowser1.Document.GetElementById(Q)焦点()。
}
好运web浏览器的程序员....!
I'm using the C# WebBrowswer control and I have a problem that when a button like "Next" is pressed when the page is not loaded yet the program tries to proceed but instead gives me a null error.
Is there is a function to make the program wait until the page has completed loading?
I tried to put a while loop in the program that checks the title of the html page but then the program freezes. Something like will freeze the program:
while(!webbrowser1.Document.Title.ToString().Equals("NextPageTitle"))
{
}
::NextCommands::
It Doesnt work, i tried that and the button "fblqf" is not clicked. but its not returns null error..
public void button1_Click(object sender, EventArgs e)
{
webBrowser1.Document.GetElementById("q").SetAttribute("value", "חחח");
webBrowser1.Document.GetElementById("btnK").InvokeMember("Click");
webBrowser1.DocumentCompleted += webBrowser1_DocumentCompleted;
}
void webBrowser1_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
// do the work you need to do now that that page has completed loading
webBrowser1.Document.GetElementById("fblqf").InvokeMember("Click");
}
Solution:
public void button1_Click(object sender, EventArgs e)
{
webBrowser1.Document.GetElementById("q").SetAttribute("value", "חחח");
webBrowser1.Document.GetElementById("btnK").InvokeMember("Click");
int x=0;
while (x==0)
{
System.Windows.Forms.Application.DoEvents();
if(webBrowser1.Document.GetElementById("pnnext") != null)
break;
}
webBrowser1.Document.GetElementById("pnnext").InvokeMember("Click");
webBrowser1.Document.GetElementById("q").Focus();
}
I Found an easy Solution!!!
After really hard work i found something that fixed it for me :)
public void button1_Click(object sender, EventArgs e)
{
webBrowser1.Document.GetElementById("q").SetAttribute("value", "חחח");
webBrowser1.Document.GetElementById("btnK").InvokeMember("Click");
int x=0;
while (x==0)
{
System.Windows.Forms.Application.DoEvents();
if(webBrowser1.Document.GetElementById("pnnext") != null)
break;
}
webBrowser1.Document.GetElementById("pnnext").InvokeMember("Click");
webBrowser1.Document.GetElementById("q").Focus();
}
Good luck webbrowser programmers....!
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