Convert Difference between 2 times into Milliseconds

Question

I have two masked TextBox controls and was wondering how I d go about getting the time in each one and then converting the difference into milliseconds  Like  say in tb1 I write  12 01  and in tb2 I write  12 02   and then click a button  Once the button s clicked it starts a timer and at 12 02 a messagebox will be displayed  I know how to do all of it except for the time conversion part   How can it be achieved

User · Answer

Many of the above mentioned solutions might suite different people.
I would like to suggest a slightly modified code than most accepted solution by "MusiGenesis".

DateTime firstTime = DateTime.Parse( TextBox1.Text );
DateTime secondTime = DateTime.Parse( TextBox2.Text );
double milDiff = secondTime.Subtract(firstTime).TotalMilliseconds;

Considerations:
- earlierTime.Subtract(laterTime) you will get a negative value.
- use int milDiff = (int)DateTime.Now.Subtract(StartTime).TotalMilliseconds; if you need integer value instead of double
- Same code can be used to get difference between two Date values and you may get .TotalDays or .TotalHours insteaf of .TotalMilliseconds

User · Answer

VB net  Desktop application  If you need lapsed time in milliseconds   Dim starts As Integer   My Computer Clock TickCount Dim ends As Integer   My Computer Clock TickCount Dim lapsed As Integer   ends - starts

User · Answer

To answer the title-question   DateTime d1        DateTime d2        TimeSpan diff   d2 - d1   int millisceonds    int  diff TotalMilliseconds    You can use this to set a Timer   timer1 interval   millisceonds  timer1 Enabled   true    Don t forget to disable the timer when handling the tick    But if you want an event at 12 03  just substitute DateTime Now for d1   But it is not clear what the exact function of textBox1 and textBox2 are

User · Answer

Try   DateTime first  DateTime second   int milliSeconds    int   TimeSpan  second - first   TotalMilliseconds

User · Answer

If you are only dealing with Times and no dates you will want to only deal with TimeSpan and handle crossing over midnight   TimeSpan time1            assume TimeOfDay TimeSpan time2            assume TimeOfDay TimeSpan diffTime   time2 - time1  if  time2  lt  time1      crosses over midnight     diffTime    TimeSpan FromTicks TimeSpan TicksPerDay   int totalMilliSeconds    int diffTime TotalMilliseconds

User · Answer

If you just want to display a message box at 12 02  use a timer control with delay of  say  250ms  that keeps checking if the current time is 12 02  When it is  display the message and stop the timer  Note this does not require a start time field  although you may be using that for something else -- I don t know -- in which case the other code provided to you here will be helpful

User · Answer

DateTime dt1   DateTime Parse maskedTextBox1 Text   DateTime dt2   DateTime Parse maskedTextBox2 Text   TimeSpan span   dt2 - dt1  int ms    int span TotalMilliseconds

User · Answer

public static Int64 GetDifferencesBetweenTwoDate DateTime newDate  DateTime oldDate  string type                var span   newDate - oldDate          switch  type                        case  tt   return  int span Ticks              case  ms   return  int span TotalMilliseconds              case  ss   return  int span TotalSeconds              case  mm   return  int span TotalMinutes              case  hh   return  int span TotalHours              case  dd   return  int span TotalDays                    return 0

User · Answer

Try the following      DateTime dtStart     DateTime dtEnd      if  DateTime TryParse  tb1 Text  out dtStart    amp  amp  DateTime TryParse tb2 Text  out dtEnd               TimeSpan ts   dtStart - dtEnd        double difference   ts TotalMilliseconds

User · Answer

var firstTime   DateTime Now  var secondTime   DateTime Now AddMilliseconds 600   var diff   secondTime Subtract firstTime  Milliseconds       var diff   DateTime Now AddMilliseconds 600  Subtract DateTime Now  Milliseconds

User · Answer

You have to convert textbox s values to DateTime  t1 t2   then   DateTime t1 t2  t1   DateTime Parse textbox1 Text   t2   DateTime Parse textbox2 Text   int diff     TimeSpan  t2 - t1   TotalMilliseconds    Or use DateTime TryParse textbox1  out t1   Error handling is up to you

[c#] Convert Difference between 2 times into Milliseconds?

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