private void CallBackEvent(int winNum, BloombergTicker data, string text, Image image, string errorMessage)
{
if (_blpGetDataCallback != null)
{
ALLQProgressArgs arg = new ALLQProgressArgs();
arg.Windownum = winNum;
arg.ISIN = data.ISIN;
arg.Text = text;
arg.Image = image;
if (!string.IsNullOrEmpty(errorMessage))
{
arg.IsError = true;
arg.ErrorMessage = errorMessage;
}
_blpGetDataCallback.Report(arg);
}
}
// 解析畫面
private async Task GetScreenDataAsync(int winNum, BloombergTicker processTicker)
{
string clipboardText = null;
Image clipboardImage = null;
Stopwatch timerRetryCopyWaitTime = new Stopwatch();
try
{
ClipboardHelper.Clear();
// input copy function
base.CopyScreen(winNum);
await SleepAsync(300);
timerRetryCopyWaitTime.Restart();
DateTime timeOutDate = DateTime.Now.Add(TimeSpan.FromSeconds(20));
bool success = false;
while (!success && (DateTime.Now < timeOutDate))
{
clipboardText = ClipboardHelper.GetText();
if (string.IsNullOrEmpty(clipboardText) || clipboardText.Length < 100)
{
clipboardText = null;
}
else
{
clipboardImage = ClipboardHelper.GetImage();
}
if (clipboardText != null && clipboardImage != null)
{
success = true;
}
else
{
// wait 100 Milliseconds
if (DateTime.Now < timeOutDate.AddMilliseconds(100))
{
await SleepAsync(100);
}
// resend copy function after 2 seconds
if (timerRetryCopyWaitTime.Elapsed.TotalMilliseconds > 2000)
{
ClipboardHelper.Clear();
base.CopyScreen(winNum);
await SleepAsync(2000);
timerRetryCopyWaitTime.Restart();
}
}
}
// Callback
if (success)
{
CallBackEvent(winNum, processTicker, clipboardText, clipboardImage, "");
}
else
{
CallBackEvent(winNum, processTicker, clipboardText, clipboardImage, "Timeout!");
}
}
catch (Exception ex)
{
CallBackEvent(winNum, processTicker, clipboardText, clipboardImage, ex.Message);
throw;
}
}