/// <summary>Returns the info structure for dialog display settings.</summary>
/// <param name="owner">The System.Windows.Forms.IWin32Window the dialog will display in front of.</param>
private CredUi.INFO GetInfo(IWin32Window owner)
{
CredUi.INFO info = new CredUi.INFO();
if (owner != null)
{
info.hwndParent = owner.Handle;
}
info.pszCaptionText = Caption;
info.pszMessageText = Message;
if (Banner != null)
{
info.hbmBanner = new Bitmap(Banner, ValidBannerWidth, ValidBannerHeight).GetHbitmap();
}
info.cbSize = Marshal.SizeOf(info);
return(info);
}
/// <summary>Returns a DialogResult indicating the user action.</summary>
/// <param name="owner">The System.Windows.Forms.IWin32Window the dialog will display in front of.</param>
/// <remarks>
/// Sets the name, password and SaveChecked accessors to the state of the dialog as it was dismissed by the user.
/// </remarks>
private DialogResult ShowDialog(IWin32Window owner)
{
// set the api call parameters
StringBuilder name = new StringBuilder(CredUi.MAX_USERNAME_LENGTH);
name.Append(Name);
StringBuilder password = new StringBuilder(CredUi.MAX_PASSWORD_LENGTH);
password.Append(Password);
int saveChecked = Convert.ToInt32(SaveChecked);
CredUi.INFO info = GetInfo(owner);
CredUi.CredFlags credFlags = GetFlags();
// make the api call
CredUi.ReturnCodes code = CredUi.CredUIPromptForCredentials(
ref info,
Target,
IntPtr.Zero, 0,
name, CredUi.MAX_USERNAME_LENGTH,
password, CredUi.MAX_PASSWORD_LENGTH,
ref saveChecked,
credFlags
);
// clean up resources
if (Banner != null)
{
DeleteObject(info.hbmBanner);
}
// set the accessors from the api call parameters
Name = name.ToString();
Password = password.ToString();
SaveChecked = Convert.ToBoolean(saveChecked);
return(GetDialogResult(code));
}