public static extern bool FindActCtxSectionString(
FIND_ACTCTX_SECTION dwFlags, IntPtr lpExtensionGuid, uint ulSectionId, [In] [MarshalAs(UnmanagedType.LPTStr)] string lpStringToFind,
[Out] out ACTCTX_SECTION_KEYED_DATA ReturnedData);
public static extern bool FindActCtxSectionGuid(
FIND_ACTCTX_SECTION dwFlags, IntPtr lpExtensionGuid, uint ulSectionId, [In] IntPtr lpGuidToFind, [Out] out ACTCTX_SECTION_KEYED_DATA ReturnedData);