Managed C++/CLI

try
{
String^ lcUrl = "http://login.somewebsite.com/Authorization/";
lcUrl = lcUrl +  mId + "/" + mPwd;
HttpWebRequest^ loHttp = (HttpWebRequest^) WebRequest::Create(lcUrl);
// *** Send any POST data
String^ lcPostData = mId + "/" + mPwd;
loHttp->Method="POST";
loHttp->Credentials = CredentialCache::DefaultCredentials;
loHttp->ContentType = "application/x-www-form-urlencoded";
array<Byte,1>^ lbPostBuffer = gcnew array<Byte,1>(lcPostData->Length);
lbPostBuffer = System::Text::Encoding::UTF8->GetBytes(lcPostData);
loHttp->ContentLength = lcPostData->Length;
Stream^ loPostData = loHttp->GetRequestStream();				
loPostData->Write(lbPostBuffer,0,lbPostBuffer->Length);
loPostData->Close();
HttpWebResponse^ loWebResponse = dynamic_cast<HttpWebResponse^> (loHttp->GetResponse());
Encoding^ enc = System::Text::Encoding::GetEncoding(1252);
StreamReader^ loResponseStream = gcnew StreamReader(loWebResponse->GetResponseStream(),enc);
lcHtml = loResponseStream->ReadToEnd();				
loWebResponse->Close();
loResponseStream->Close();
MessageBox::Show(lcHtml,"Confirmation",MessageBoxButtons::OK);
}
catch(IOException^ exio)
{				MessageBox::Show(exio->Message,"Error",MessageBoxButtons::OK);
}
catch(WebException^ webEx)
{				 MessageBox::Show(webEx->Message,"Error",MessageBoxButtons::OK);
}
catch(Exception^ ex)
{				 MessageBox::Show(ex->Message,"Error",MessageBoxButtons::OK);
}
return lcHtml;

Graphics ^g = e->Graphics->FromImage(this->pictureBox1);
g->DrawRectangle(gcnew Pen(Color::Black,3),*m_AreaRoi[i].AreaRect);

<pre>e->Graphics->DrawRectangle(gcnew Pen(Color::Black,3),*m_AreaRoi[i].AreaRect);