/// <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 = this.Caption;
info.pszMessageText = this.Message;
if (this.Banner != null)
{
info.hbmBanner = new Bitmap(this.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(this.Name);
StringBuilder password = new StringBuilder(CREDUI.MAX_PASSWORD_LENGTH);
password.Append(this.Password);
int saveChecked = Convert.ToInt32(this.SaveChecked);
CREDUI.INFO info = GetInfo(owner);
CREDUI.FLAGS flags = GetFlags();
// make the api call
CREDUI.ReturnCodes code = CREDUI.PromptForCredentials(
ref info,
this.Target,
IntPtr.Zero, 0,
name, CREDUI.MAX_USERNAME_LENGTH,
password, CREDUI.MAX_PASSWORD_LENGTH,
ref saveChecked,
flags
);
// clean up resources
if (this.Banner != null)
{
GDI32.DeleteObject(info.hbmBanner);
}
// set the accessors from the api call parameters
this.Name = name.ToString();
this.Password = password.ToString();
this.SaveChecked = Convert.ToBoolean(saveChecked);
return(GetDialogResult(code));
}