我使用背景工人所有的時間,他們都是偉大的處理很長一段時間的行動。
從您的代碼
#region Background Work of My Request
private void ProcessMyRequest()
{
if (!bkgWorkerMyRequest.IsBusy)
{
lblMessageToUser.Text = "Processing Request...";
btnProcessRequest.Enabled = false;
bkgWorkerMyRequest.RunWorkerAsync();
}
}
private void bkgWorkerMyRequest_DoWork(object sender, DoWorkEventArgs e)
{
// let's process what we need in a diferrent thread than the UI thread
string r = GetStuffDone();
e.Result = r;
}
private void bkgWorkerMyRequest_RunWorkerCompleted(object sender, RunWorkerCompletedEventArgs e)
{
string myResult = (String)e.Result;
lblMessageToUser.Text = myResult;
btnProcessRequest.Enabled = true;
}
#endregion
private function string GetStuffDone()
{
NetBasisServicesSoapClient client = new NetBasisServicesSoapClient();
TransactionDetails[] transactions = new TransactionDetails[dataGridView1.Rows.Count - 1];
for (int i = 0; i < dataGridView1.Rows.Count - 1; i++)
{
transactions[i] = new TransactionDetails();
transactions[i].TransactionDate = (string)dataGridView1.Rows[i].Cells[2].Value;
transactions[i].TransactionType = (string)dataGridView1.Rows[i].Cells[3].Value;
transactions[i].Shares = (string)dataGridView1.Rows[i].Cells[4].Value;
transactions[i].Pershare = (string)dataGridView1.Rows[i].Cells[5].Value;
transactions[i].TotalAmount = (string)dataGridView1.Rows[i].Cells[6].Value;
}
CostbasisResult result = client.Costbasis(dataGridView1.Rows[0].Cells[0].Value.ToString(), dataGridView1.Rows[0].Cells[1].Value.ToString(), transactions, false, "", "", "FIFO", true);
return ConvertStringArrayToString(result.Details);
}
所有你需要做的是調用方法:
ProcessMyRequest();
,它會做的工作。 如果你需要讓主線程需要注意的進步,則可以使用ProgressChanged
事件
private void bkgWorkerMyRequest_ProgressChanged(
object sender, ProgressChangedEventArgs e)
{
progressBar1.Value = e.ProgressPercentage;
}
在bkgWorkerMyRequest_DoWork
方法,你需要更改代碼有
//reports a percentage between 0 and 100
bkgWorkerMyRequest.ReportProgress(i * 10);
記住:
alt text http://www.balexandre.com/temp/2010-04-07_1200.png
但是您嘗試調試方法GetStuffDone
因爲它是有點難以調試多線程應用
所以,我要做的就是,調試一切,而不需要工人,然後應用工人時會被卡住。
我
工作得很好,讓我知道,如果你需要有這方面的更多幫助。
添加
我沒有意識到,你得到的工人網格,對不起,對於這一點,只是給電網作爲一個參數,並使用它,請修改:
bkgWorkerMyRequest.RunWorkerAsync(dataGridView1);
string r = GetStuffDone((GridView)e.Argument);
private function string GetStuffDone(GridView dataGridView1)
問題是什麼? – leppie 2010-04-07 09:10:22
我真的很困惑與背景工作者。獲取相互矛盾的報告。 我不知道如何將上面的代碼包裝到doWork事件中。 – 2010-04-07 09:25:36