public static SecureString AskForPassword(string label, Window owner)
{
SecureString secureString = null;
var passwordDialog = new PasswordDialog(label) { Owner = owner };
if (passwordDialog.ShowDialog() == true)
{
secureString = new SecureString();
foreach (var character in passwordDialog.Password)
{
secureString.AppendChar(character);
}
}
passwordDialog.TextPassword.Password = String.Empty;
return secureString;
}
private bool TryOpenPdf()
{
if (!HasPdfHeader())
{
return(false);
}
String password = null;
do
{
try
{
PdfViewer.Open(new MemorySource(_largeBinaryValue.Value), password);
TabPdf.Visibility = Visibility.Visible;
TabPdf.IsSelected = true;
return(true);
}
catch (MissingOrInvalidPdfPasswordException)
{
if (password != null)
{
Messages.ShowError("Invalid password");
}
var securePassword = PasswordDialog.AskForPassword("PDF password: ", this);
if (securePassword == null)
{
return(false);
}
password = securePassword.ToString();
}
catch
{
break;
}
}while (true);
return(false);
}
public static SecureString AskForPassword(string label, Window owner)
{
SecureString secureString = null;
var passwordDialog = new PasswordDialog(label)
{
Owner = owner
};
if (passwordDialog.ShowDialog() == true)
{
secureString = new SecureString();
foreach (var character in passwordDialog.Password)
{
secureString.AppendChar(character);
}
}
passwordDialog.TextPassword.Password = String.Empty;
return(secureString);
}