UIPermissionWindow
Specifies the type of windows that code is allowed to use.
namespace System.Security.Permissions
{
[Obsolete("Code Access Security is not supported or honored by the runtime.", DiagnosticId = "SYSLIB0003", UrlFormat = "https://aka.ms/dotnet-warnings/{0}")]
public enum UIPermissionWindow
{
AllWindows = 3,
NoWindows = 0,
SafeSubWindows = 1,
SafeTopLevelWindows = 2
}
}