/// <summary>
/// Sets UI restrictions.
/// </summary>
/// <param name="uiRestrictionsClass">The restriction class for the UI.</param>
public void SetUiRestrictions(JOB_OBJECT_UILIMIT_FLAGS uiRestrictionsClass = JOB_OBJECT_UILIMIT_FLAGS.ALL)
{
this.tracer.Trace(nameof(JobObject), "Setting UI restrictions");
var uiRestrictions = new JOBOBJECT_BASIC_UI_RESTRICTIONS
{
UIRestrictionsClass = uiRestrictionsClass,
};
using (var nativeUiRestrictions = new SafeHGlobalBuffer(Marshal.SizeOf(typeof(JOBOBJECT_BASIC_UI_RESTRICTIONS))))
{
Marshal.StructureToPtr(
uiRestrictions,
nativeUiRestrictions.DangerousGetHandle(),
false /* fDeleteOld */);
if (!Methods.SetInformationJobObject(
this.handle,
JOB_OBJECT_INFO_CLASS.JobObjectBasicUIRestrictions,
nativeUiRestrictions.DangerousGetHandle(),
nativeUiRestrictions.Size))
{
throw
new SandboxException(
"Unable to set job object basic ui restrictions",
new Win32Exception());
}
}
}
public void SetUIRestrictions(JobObjectUILimit limits)
{
var restriction = new JOBOBJECT_BASIC_UI_RESTRICTIONS
{
UIRestrictionsClass = limits
};
if (!NativeMethods.SetInformationJobObject(this, JobObjectInfoClass.BasicUIRestrictions, ref restriction, Marshal.SizeOf <JOBOBJECT_BASIC_UI_RESTRICTIONS>()))
{
var err = Marshal.GetLastWin32Error();
throw new Win32Exception(err);
}
}
internal static extern bool QueryInformationJobObject(SafeJobObjectHandle hJob, JobObjectInformationClass JobObjectInfoClass, [Out] out JOBOBJECT_BASIC_UI_RESTRICTIONS lpJobObjectInfo, int cbJobObjectInfoLength, IntPtr lpReturnLength);
internal static extern bool SetInformationJobObject(SafeJobObjectHandle hJob, JobObjectInformationClass JobObjectInfoClass, [In] ref JOBOBJECT_BASIC_UI_RESTRICTIONS lpJobObjectInfo, int cbJobObjectInfoLength);