public async Task <DataLoadResult <string> > SynchronousLoadString(string url, params string[] endUrls)
{
this.SyncNavContext = new SynchronousNavigationContext
{
StartUrl = url,
EndUrls = endUrls,
Tcs = new TaskCompletionSource <SynchronousLoadResult>(),
};
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(Debugger.IsAttached ? 15 : 10));
using (cts.Token.Register(() => SyncNavContext.Tcs.TrySetCanceled(), useSynchronizationContext: false))
{
this.WB.Navigate(url);
var result = await SyncNavContext.Tcs.Task;
cts.Dispose();
if (result.LoginRequired)
{
return(new DataLoadResult <string>
{
LoginRequired = true
});
}
if (result.Success) // wait for DocumentCompleted
{
if (result.IsWebBrowserResult)
{
return new DataLoadResult <string> {
Data = WB.DocumentText
}
}
;
else if (System.IO.File.Exists(result.FilePath))
{
var content = System.IO.File.ReadAllText(result.FilePath);
System.IO.File.Delete(result.FilePath);
return(new DataLoadResult <string> {
Data = content
});
}
}
}
return(new DataLoadResult <string>
{
Data = string.Empty
});
}
public async Task <DataLoadResult <HtmlDocument> > SynchronousLoadDocument(string url, params string[] endUrls)
{
var cts = new CancellationTokenSource();
cts.CancelAfter(TimeSpan.FromSeconds(Debugger.IsAttached ? 15 : 10));
this.SyncNavContext = new SynchronousNavigationContext
{
StartUrl = url,
EndUrls = endUrls,
Tcs = new TaskCompletionSource <SynchronousLoadResult>(),
};
using (cts.Token.Register(() => SyncNavContext.Tcs.TrySetCanceled(), useSynchronizationContext: false))
{
this.WB.Navigate(url);
var result = await SyncNavContext.Tcs.Task;
if (result.LoginRequired)
{
return(new DataLoadResult <HtmlDocument> {
LoginRequired = true
});
}
if (result.Success) // wait for DocumentCompleted
{
if (result.IsWebBrowserResult)
{
return new DataLoadResult <HtmlDocument> {
Data = WB.Document
}
}
;
else
{
throw new NotSupportedException("无法将文件转换为HtmlElement");
}
}
}
return(new DataLoadResult <HtmlDocument> {
Data = null
});
}
