Interchange of UTC time with Windows Time

 

// Convert UTC time to Windows Time
Public datetime utctodatetime (double L)
{
Datetime dtzone = new datetime (1970, 1, 1, 0, 0, 0 );

Dtzone = dtzone. addseconds (L );

Return dtzone. tolocaltime ();
}

// Convert Windows Time To UTC time
Public double datetimetoutc (datetime vdate)
{
Timezone TZ = timezone. currenttimezone;

Vdate = vdate. touniversaltime ();

Datetime dtzone = new datetime (1970, 1, 1, 0, 0, 0 );

Return vdate. Subtract (dtzone). totalseconds;
}

// Datetime. fromfiletime Method

Public System. timespan fileage (long filecreationtime ){

System. datetime now = system. datetime. now;

Try {

System. datetime fcreationtime = system. datetime. fromfiletime (filecreationtime );

System. timespan fileage = now. Subtract (fcreationtime );

Return fileage;

}

Catch (argumentoutofrangeexception ){

// Filecreationtime is not valid, so re-Throw the exception.

Throw;

}

}

 

// Datetime. fromfiletimeutc Method

// Convert it to hexadecimal in decimal format, with less than zero padding.

Convert. tostring (receivebytes [8], 16). tostring (). padleft (2, '0 ')

 

 

// Convert UTC time to Windows Time
Public datetime utctodatetime (double L)
{
Datetime dtzone = new datetime (1970, 1, 1, 0, 0, 0 );

Dtzone = dtzone. addseconds (L );

Return dtzone. tolocaltime ();
}

// Convert Windows Time To UTC time
Public double datetimetoutc (datetime vdate)
{
Timezone TZ = timezone. currenttimezone;

Vdate = vdate. touniversaltime ();

Datetime dtzone = new datetime (1970, 1, 1, 0, 0, 0 );

Return vdate. Subtract (dtzone). totalseconds;
}

// Datetime. fromfiletime Method

Public System. timespan fileage (long filecreationtime ){

System. datetime now = system. datetime. now;

Try {

System. datetime fcreationtime = system. datetime. fromfiletime (filecreationtime );

System. timespan fileage = now. Subtract (fcreationtime );

Return fileage;

}

Catch (argumentoutofrangeexception ){

// Filecreationtime is not valid, so re-Throw the exception.

Throw;

}

}

 

// Datetime. fromfiletimeutc Method

// Convert it to hexadecimal in decimal format, with less than zero padding.

Convert. tostring (receivebytes [8], 16). tostring (). padleft (2, '0 ')