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RAD Studio VCL Reference
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SysUtils.DateTimeToFileDate Function
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RAD Studio VCL Reference
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Converts a TDateTime value to an OS timestamp value.
function DateTimeToFileDate(DateTime: TDateTime): Integer;
int DateTimeToFileDate(TDateTime DateTime);
A timestamp is a signed 32-bit integer, used by the Operating System to record information such as the date and time a file was modified. The precise format of a timestamp depends on the OS. Use DateTimeToFileDate to convert a TDateTime value to an OS timestamp value.
DateTimeToFileDate is particularly useful for converting the Time field of the TSearchRec type used by the FindFirst and FindNext functions.
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