--根据当前时间戳获取年月日时分秒,其中sysdate不能用于获取时分秒select systimestamp, extract(year from systimestamp) year ,extract(month from systimestamp) month ,extract(day from systimestamp) day ,extract(hour from cast(systimestamp as timestamp)) hour ,extract(minute from sy
class SystemIcon { [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Auto)] public struct SHFILEINFO { public IntPtr hIcon; public int iIcon; public uint dwAttributes; [MarshalAs(UnmanagedType.ByValTStr, SizeConst = )] public string szDisplayNam