/// <summary>
/// Simple wrapper function that downloads a url and returns a file path
/// (uses all defaults, including writing the file to a temporary path)
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static string Download(string url, int timeoutMs, WinInetCredentialsContext credentialsContext)
{
// do the download (will use cached images correctly, etc.)
UrlDownloadToFile urlDownloadToFile = new UrlDownloadToFile();
urlDownloadToFile.Url = url;
urlDownloadToFile.TimeoutMs = timeoutMs;
urlDownloadToFile.CredentialsContext = credentialsContext;
urlDownloadToFile.Download();
// return a bitmap based on the file
return urlDownloadToFile.FilePath;
}
/// <summary>
/// Simple wrapper function that downloads a url and returns a file path
/// (uses all defaults, including writing the file to a temporary path)
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public static string Download(string url, int timeoutMs, WinInetCredentialsContext credentialsContext)
{
// do the download (will use cached images correctly, etc.)
UrlDownloadToFile urlDownloadToFile = new UrlDownloadToFile();
urlDownloadToFile.Url = url;
urlDownloadToFile.TimeoutMs = timeoutMs;
urlDownloadToFile.CredentialsContext = credentialsContext;
urlDownloadToFile.Download();
// return a bitmap based on the file
return(urlDownloadToFile.FilePath);
}
public static Bitmap DownloadBitmap(string bitmapUrl, WinInetCredentialsContext credentialsContext)
{
// download the image
try
{
string fileName = UrlDownloadToFile.Download(bitmapUrl, credentialsContext);
return new Bitmap(fileName);
}
catch (Exception ex)
{
// reformat error for contextual clarity
throw new Exception(
String.Format(CultureInfo.CurrentCulture, "Error attempting to download bitmap from url {0}: {1}", bitmapUrl, ex.Message), ex);
}
}
/// <summary>
/// Constructs a new WebPageDownloader, permits script execution by default
/// </summary>
public WebPageDownloader(Control parentControl, WinInetCredentialsContext credentialsContext)
{
// create the undelrying control
browserControl = new ExplorerBrowserControl();
if (parentControl != null)
browserControl.Parent = parentControl;
browserControl.DownloadOptions = GetDownloadOptions();
CredentialsContext = credentialsContext;
// configure options
browserControl.Silent = true;
}
public static Bitmap DownloadBitmap(string bitmapUrl, WinInetCredentialsContext credentialsContext)
{
// download the image
try
{
string fileName = UrlDownloadToFile.Download(bitmapUrl, credentialsContext);
return(new Bitmap(fileName));
}
catch (Exception ex)
{
// reformat error for contextual clarity
throw new Exception(
String.Format(CultureInfo.CurrentCulture, "Error attempting to download bitmap from url {0}: {1}", bitmapUrl, ex.Message), ex);
}
}
/// <summary>
/// Constructs a new WebPageDownloader, permits script execution by default
/// </summary>
public WebPageDownloader(Control parentControl, WinInetCredentialsContext credentialsContext)
{
// create the undelrying control
browserControl = new ExplorerBrowserControl();
if (parentControl != null)
{
browserControl.Parent = parentControl;
}
browserControl.DownloadOptions = GetDownloadOptions();
CredentialsContext = credentialsContext;
// configure options
browserControl.Silent = true;
}
public BrowserMiniForm(string url, int downloadOptions, WinInetCredentialsContext credentialsContext)
{
// record url to navigate to
_url = url;
// standard "flyout" form behavior
DismissOnDeactivate = true;
// dock inset for drawing of border
DockPadding.All = 1;
// background color is white to minimize flashing problem when dismissing
BackColor = Color.White;
// initialize browser control
_explorerBrowserControl = new ExplorerBrowserControl();
_explorerBrowserControl.Dock = DockStyle.Fill;
Controls.Add(_explorerBrowserControl);
// install download options if requested
if (downloadOptions > 0)
{
_explorerBrowserControl.DownloadOptions = downloadOptions;
}
// install network credential if requested
if (credentialsContext != null)
{
if (credentialsContext.NetworkCredential != null)
_explorerBrowserControl.NetworkCredential = credentialsContext.NetworkCredential;
if (credentialsContext.CookieString != null)
_explorerBrowserControl.SetCookies(credentialsContext.CookieString.Url, credentialsContext.CookieString.Cookies);
}
// other options
_explorerBrowserControl.Silent = true;
// Navigate to about:blank for installation of ui customizations. Note that this step is CRITICAL
// to ensuring that not only our custom ui hooks get installed but also to ensure that our DLCTL
// options (which control security) are registered prior to the fectching of the content.
_explorerBrowserControl.DocumentComplete += new BrowserDocumentEventHandler(_explorerBrowserControl_AboutBlankDocumentComplete);
_explorerBrowserControl.Navigate("about:blank");
}
public static string Download(string url, WinInetCredentialsContext credentialsContext)
{
return(Download(url, NO_TIMEOUT, credentialsContext));
}
public static string Download(string url, WinInetCredentialsContext credentialsContext)
{
return Download(url, NO_TIMEOUT, credentialsContext);
}
