How to subtract two time

[Mujaidin]

How to subtract two time

exemple : 9:10 - 18:05 = 9:15 (9 hours and 15 minutes)

Help me please, sorry i dont speach Englis very well...

[Samuel]

Var
d1, d2 : TDatetime;
Begin
d1 := StrToTime('09:10');
d2 := StrToTime('18:05');
ShowMessage(TimeToStr(d1-d2));
End;

[Mujaidin]

Var
d1, d2 : TDatetime;
Begin
d1 := StrToTime('09:10');
d2 := StrToTime('18:05');
ShowMessage(TimeToStr(d1-d2));
End;


tanks 1.000 x info:)

[Ivan]

Hey its a very informative forum to solving our math solution with in just few second.

[Lightkillar3]

good post,interesting

[emailx45]

Dear friends,

The TDateTime = 1 part Integer (days) and 1 part Float Point (Hours)

So, you can to do CALCULATIONS with a var TDateTime directly.

Use HELP from Delphi for more informations, for FUNCTIONS as:

Format(), DateTimeToSTR(), etc....