FileTimeToUnixTime Method
Converts FileTime to unix time format.
Syntax
qint64 FileTimeToUnixTime(const QDateTime& qdtFileTime);
Remarks
Use this method to convert the FileTime value to Unix time format. The subsecond part of the value is not preserved; to obtain it, use the FileTimeToNanoseconds method.
Error Handling
This method returns a Long64 value; after it returns, call the GetLastErrorCode() method to obtain its result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message.