internal static MessageBoxResult ShowCore(IntPtr owner, string messageBoxText, string caption, MessageBoxButton button, MessageBoxImage icon, MessageBoxResult defaultResult, MessageBoxOptions options)
{
if (!MessageBox.IsValidMessageBoxButton(button))
{
throw new InvalidEnumArgumentException("button", (int)button, typeof(MessageBoxButton));
}
if (!MessageBox.IsValidMessageBoxImage(icon))
{
throw new InvalidEnumArgumentException("icon", (int)icon, typeof(MessageBoxImage));
}
if (!MessageBox.IsValidMessageBoxResult(defaultResult))
{
throw new InvalidEnumArgumentException("defaultResult", (int)defaultResult, typeof(MessageBoxResult));
}
if (!MessageBox.IsValidMessageBoxOptions(options))
{
throw new InvalidEnumArgumentException("options", (int)options, typeof(MessageBoxOptions));
}
if ((options & (MessageBoxOptions.ServiceNotification | MessageBoxOptions.DefaultDesktopOnly)) != MessageBoxOptions.None)
{
SecurityHelper.DemandUnmanagedCode();
if (owner != IntPtr.Zero)
{
throw new ArgumentException(SR.Get("CantShowMBServiceWithOwner"));
}
}
else if (owner == IntPtr.Zero)
{
owner = UnsafeNativeMethods.GetActiveWindow();
}
int type = (int)(button | (MessageBoxButton)icon | (MessageBoxButton)MessageBox.DefaultResultToButtonNumber(defaultResult, button) | (MessageBoxButton)options);
return(MessageBox.Win32ToMessageBoxResult(UnsafeNativeMethods.MessageBox(new HandleRef(null, owner), messageBoxText, caption, type)));
}