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  4. Which function is like "getch()" in Console App?

Which function is like "getch()" in Console App?

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  • L Lane Yu

    Hi, i'm starting to learn C#.:laugh: I want to output a pause(such as "press any key to continue...") in a console application. I just need a function like "getch()" in C language. Which object and method to use? Thanks.

    F Offline
    F Offline
    Febret
    wrote on last edited by
    #3

    Console.ReadKey should do the trick. Bye!

    J 1 Reply Last reply
    0
    • F Febret

      Console.ReadKey should do the trick. Bye!

      J Offline
      J Offline
      J4amieC
      wrote on last edited by
      #4

      There is no ReadKey method on System.Console :wtf:

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      • J J4amieC

        There is no ReadKey method on System.Console :wtf:

        F Offline
        F Offline
        Febret
        wrote on last edited by
        #5

        Whoops: Console.ReadKey is on Framework 2.0 only, sorry :doh:

        L 1 Reply Last reply
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        • F Febret

          Whoops: Console.ReadKey is on Framework 2.0 only, sorry :doh:

          L Offline
          L Offline
          Lane Yu
          wrote on last edited by
          #6

          You mean i'm helpless unless downloading Framework2.0?:sigh:

          J F 2 Replies Last reply
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          • L Lane Yu

            You mean i'm helpless unless downloading Framework2.0?:sigh:

            J Offline
            J Offline
            J4amieC
            wrote on last edited by
            #7

            No, you're only helplessuntil you go back and read the replies properly :wtf:

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            • L Lane Yu

              You mean i'm helpless unless downloading Framework2.0?:sigh:

              F Offline
              F Offline
              Febret
              wrote on last edited by
              #8

              Of course not :-D In Framework 1.0 / 1.1 You have to use Console.Read(), as J4amieC suggested. Bye!

              L 1 Reply Last reply
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              • F Febret

                Of course not :-D In Framework 1.0 / 1.1 You have to use Console.Read(), as J4amieC suggested. Bye!

                L Offline
                L Offline
                Lane Yu
                wrote on last edited by
                #9

                But Console.Read() is not as getch(). I only want a single char from keyboard without echo. :confused:

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                • L Lane Yu

                  But Console.Read() is not as getch(). I only want a single char from keyboard without echo. :confused:

                  R Offline
                  R Offline
                  Rob Philpott
                  wrote on last edited by
                  #10

                  Not sure this is possible using just the Console object prior to .NET 2.0 - it's a very minimalist implementation. Should be straightforward enough using P/Invoke with the Platform SDK though. Take a look at: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/console_reference.asp[^], and drop me a line if you get stuck. Regards, Rob Philpott.

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                  • R Rob Philpott

                    Not sure this is possible using just the Console object prior to .NET 2.0 - it's a very minimalist implementation. Should be straightforward enough using P/Invoke with the Platform SDK though. Take a look at: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dllproc/base/console_reference.asp[^], and drop me a line if you get stuck. Regards, Rob Philpott.

                    L Offline
                    L Offline
                    Lane Yu
                    wrote on last edited by
                    #11

                    I see. I'm a begginer of C#. So far I don't know how to call a Windows API. So I think I should learn more firstly. Thanks all of you.:-D

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                    • L Lane Yu

                      But Console.Read() is not as getch(). I only want a single char from keyboard without echo. :confused:

                      F Offline
                      F Offline
                      Febret
                      wrote on last edited by
                      #12

                      I see: if you want to read a single character from the user (any charachter, not an enter key press), and you don't want that character to be shown, the only way to do it on .Net 1.0 /1.1 (the 2.0 Console.ReadKey does the same thing) is to import _getch from msvcrt.dll. You can use this code (by reinux from http://www.codeproject.com/useritems/PressAnyKeyToContinue.asp):

                      [DllImport("msvcrt.dll")]
                      private static extern int _getch();

                      public static int Getch()
                      {
                      try
                      {
                      return _getch();
                      }
                      catch
                      {
                      return Console.Read();
                      }
                      }

                      Insert this into a class and then you should be able to use Getch() to do what you need. Bye!

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