private DateTime ToDateTime(OpcRcw.Da.FILETIME ft)
{
long dwHighDateTime = ft.dwHighDateTime;
long fileTime = ((dwHighDateTime << 0x20) + ft.dwLowDateTime) + 0x430e234000L;
return(DateTime.FromFileTimeUtc(fileTime));
}
/// <summary>
/// 获取时间戳
/// </summary>
/// <param name="ft"></param>
/// <returns></returns>
private DateTime ToDateTime(OpcRcw.Da.FILETIME ft)
{
long highbuf = (long)ft.dwHighDateTime;
long buffer = (highbuf << 32) + ft.dwLowDateTime;
return(DateTime.FromFileTimeUtc(buffer).AddHours(8.0));
}
private DateTime ToDateTime(OpcRcw.Da.FILETIME ft) //对OPCServer读出数据时间标签的计量形式转换，目前没有使用。
{
long highbuf = (long)ft.dwHighDateTime;
long buffer = (highbuf << 32) + ft.dwLowDateTime + 8 * 36000000000L;
return(DateTime.FromFileTimeUtc(buffer));
}
// Token: 0x06000006 RID: 6 RVA: 0x00002170 File Offset: 0x00000370
public bool Read(string[] sItemIDArray, out object[] oValueArray, out short[] wQualityArray, out OpcRcw.Da.FILETIME[] fTimeArray, out int[] nErrorArray)
{
int num = sItemIDArray.Count <string>();
int[] array = new int[num];
for (int i = 0; i < num; i++)
{
array[i] = 0;
}
int[] array2 = new int[num];
oValueArray = new object[num];
wQualityArray = new short[num];
fTimeArray = new OpcRcw.Da.FILETIME[num];
nErrorArray = new int[num];
bool result;
try
{
IOPCItemIO iopcitemIO = (IOPCItemIO)this.m_OPCServer;
IntPtr intPtr;
IntPtr intPtr2;
IntPtr intPtr3;
IntPtr intPtr4;
iopcitemIO.Read(num, sItemIDArray, array, out intPtr, out intPtr2, out intPtr3, out intPtr4);
IntPtr intPtr5 = intPtr;
IntPtr ptr = intPtr3;
Marshal.Copy(intPtr4, nErrorArray, 0, num);
Marshal.Copy(intPtr2, wQualityArray, 0, num);
for (int j = 0; j < num; j++)
{
if (array2[j] == 0)
{
oValueArray[j] = Marshal.GetObjectForNativeVariant(intPtr5);
}
else
{
oValueArray[j] = "Error Value";
}
fTimeArray[j] = (OpcRcw.Da.FILETIME)Marshal.PtrToStructure(ptr, typeof(OpcRcw.Da.FILETIME));
DxpSimpleClass.VariantClear(intPtr5);
Marshal.DestroyStructure(ptr, typeof(OpcRcw.Da.FILETIME));
intPtr5 = (IntPtr)(intPtr5.ToInt32() + 16);
ptr = (IntPtr)(ptr.ToInt32() + Marshal.SizeOf(typeof(OpcRcw.Da.FILETIME)));
}
Marshal.FreeCoTaskMem(intPtr);
Marshal.FreeCoTaskMem(intPtr3);
Marshal.FreeCoTaskMem(intPtr4);
Marshal.FreeCoTaskMem(intPtr2);
result = true;
}
catch (Exception ex)
{
#if DEBUG
Debug.WriteLine(ex);
#endif
result = false;
}
return(result);
}
internal static System.Runtime.InteropServices.FILETIME Convert(OpcRcw.Da.FILETIME input)
{
return(new System.Runtime.InteropServices.FILETIME {
dwLowDateTime = input.dwLowDateTime, dwHighDateTime = input.dwHighDateTime
});
}
