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OnKeyPress oddity

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  • N Nish Nishant

    I am deriving a class from ComboBox. I override OnKeyPress. But OnKeyPress never gets called! Anyone knows whether there is anything special I need to be doing? Nish


    Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

    N Offline
    N Offline
    Nish Nishant
    wrote on last edited by
    #9

    Blast! Just found out that this is a bug in both beta 1 and beta 2 Nish p.s. Gotta try this from home now :mad:


    Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

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    0
    • N Nish Nishant

      I overrode WndProc and found that the WM_KEYDOWN message is not being received :-(

      protected override void WndProc(ref System.Windows.Forms.Message m)
      {
      base.WndProc(ref m);
      if(m.Msg == 0x0100)
      Text = "Hello World";
      }

      Nish p.s. In an MC++ program I can #include windows.h to get the defines for various messages, in a C# program how do I get the defines for messages. Above I have hardcoded 0x0100 [WM_KEYDOWN]


      Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

      J Offline
      J Offline
      James T Johnson
      wrote on last edited by
      #10

      Find in Files for WM_KEYDOWN ;P There are a couple programs out there which will let you get the constants but I find it much easier to just do a Find in Files. James Simplicity Rules!

      N 1 Reply Last reply
      0
      • N Nish Nishant

        I overrode WndProc and found that the WM_KEYDOWN message is not being received :-(

        protected override void WndProc(ref System.Windows.Forms.Message m)
        {
        base.WndProc(ref m);
        if(m.Msg == 0x0100)
        Text = "Hello World";
        }

        Nish p.s. In an MC++ program I can #include windows.h to get the defines for various messages, in a C# program how do I get the defines for messages. Above I have hardcoded 0x0100 [WM_KEYDOWN]


        Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

        R Offline
        R Offline
        Rama Krishna Vavilala
        wrote on last edited by
        #11

        Incidentally there was a discussion about this in one of my articles Link Don't use WndProc, use PreProcessMessage.

        N 1 Reply Last reply
        0
        • N Nish Nishant

          Rama Krishna wrote: Incidentally there was a discussion about this in one of my articles Link Thanks. Checked it out! Nish


          Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

          R Offline
          R Offline
          Rama Krishna Vavilala
          wrote on last edited by
          #12

          How your article works. I see that OnKeyPress is getting called. :) Ofcourse highlighting text by mouse doesnot work in your combo box. :(

          N 1 Reply Last reply
          0
          • J James T Johnson

            Find in Files for WM_KEYDOWN ;P There are a couple programs out there which will let you get the constants but I find it much easier to just do a Find in Files. James Simplicity Rules!

            N Offline
            N Offline
            Nish Nishant
            wrote on last edited by
            #13

            James T. Johnson wrote: Find in Files for WM_KEYDOWN Blast!!! Of all things, a Jambo joke!!! Boooohhhhhhhhh! We don't want Jambo jokes! Booooooooooo! We want jambo-edited articles ;-) Nish


            Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

            J 1 Reply Last reply
            0
            • R Rama Krishna Vavilala

              Incidentally there was a discussion about this in one of my articles Link Don't use WndProc, use PreProcessMessage.

              N Offline
              N Offline
              Nish Nishant
              wrote on last edited by
              #14

              Rama Krishna wrote: Incidentally there was a discussion about this in one of my articles Link Thanks. Checked it out! Nish


              Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

              R 1 Reply Last reply
              0
              • N Nish Nishant

                James T. Johnson wrote: Find in Files for WM_KEYDOWN Blast!!! Of all things, a Jambo joke!!! Boooohhhhhhhhh! We don't want Jambo jokes! Booooooooooo! We want jambo-edited articles ;-) Nish


                Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

                J Offline
                J Offline
                James T Johnson
                wrote on last edited by
                #15

                Nish - Native CPian wrote: We want jambo-edited articles I'll get back to editing once I figure out what has caused me headaches the past 2 days. James Simplicity Rules!

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                • R Rama Krishna Vavilala

                  How your article works. I see that OnKeyPress is getting called. :) Ofcourse highlighting text by mouse doesnot work in your combo box. :(

                  N Offline
                  N Offline
                  Nish Nishant
                  wrote on last edited by
                  #16

                  Rama Krishna wrote: How your article works It was a bug with beta 2. OnKeyPress won't get called in beta 2 :-) Rama Krishna wrote: Ofcourse highlighting text by mouse doesnot work in your combo box Huh? It does here :confused: Nish


                  Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

                  R 1 Reply Last reply
                  0
                  • N Nish Nishant

                    Rama Krishna wrote: How your article works It was a bug with beta 2. OnKeyPress won't get called in beta 2 :-) Rama Krishna wrote: Ofcourse highlighting text by mouse doesnot work in your combo box Huh? It does here :confused: Nish


                    Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

                    R Offline
                    R Offline
                    Rama Krishna Vavilala
                    wrote on last edited by
                    #17

                    Nish - Native CPian wrote: It was a bug with beta 2. OnKeyPress won't get called in beta 2 I got it. I thought that it was still a bug:) Nish - Native CPian wrote: Huh? It does here Sorry It doesnot work for me. BTW don't you love the rating you got for the new article.

                    N 1 Reply Last reply
                    0
                    • R Rama Krishna Vavilala

                      Nish - Native CPian wrote: It was a bug with beta 2. OnKeyPress won't get called in beta 2 I got it. I thought that it was still a bug:) Nish - Native CPian wrote: Huh? It does here Sorry It doesnot work for me. BTW don't you love the rating you got for the new article.

                      N Offline
                      N Offline
                      Nish Nishant
                      wrote on last edited by
                      #18

                      Rama Krishna wrote: BTW don't you love the rating you got for the new article. Yeah, about twice as much as my usual :-) Nish


                      Regards, Nish Native CPian. Born and brought up on CP. With the CP blood in him.

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