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  4. Notifiation Messages for CSpinButtonCtrl in MFC

Notifiation Messages for CSpinButtonCtrl in MFC

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  • J Jochen Arndt

    The notification message send to the parent uses the UDN_DELTAPOS notification code (Windows)[^]

    S Offline
    S Offline
    Sampath579
    wrote on last edited by
    #4

    Sorry i tried this as follows

    ON_NOTIFY_REFLECT(UDN_DELTAPOS,OnSpinContol)

    Its throws syntax error and could not find any sample in google to declare the message.

    V J 2 Replies Last reply
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    • S Sampath579

      Sorry i tried this as follows

      ON_NOTIFY_REFLECT(UDN_DELTAPOS,OnSpinContol)

      Its throws syntax error and could not find any sample in google to declare the message.

      V Offline
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      Victor Nijegorodov
      wrote on last edited by
      #5

      In what class did you implement it? Please, post the exact code snippets!

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      • S Sampath579

        Sorry i tried this as follows

        ON_NOTIFY_REFLECT(UDN_DELTAPOS,OnSpinContol)

        Its throws syntax error and could not find any sample in google to declare the message.

        J Offline
        J Offline
        Jochen Arndt
        wrote on last edited by
        #6

        That is for handling the message by the control class itself when having it derived. To handle the message in the parent do it like you have done already:

        ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN1, OnDeltaPos)

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        • V Victor Nijegorodov

          In what class did you implement it? Please, post the exact code snippets!

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          Sampath579
          wrote on last edited by
          #7

          BEGIN_MESSAGE_MAP(CMyClass, CScrollView)
          ON_NOTIFY_REFLECT(UDN_DELTAPOS,OnSpinContol)
          END_MESSAGE_MAP()

          void CMyClass::OnSpinContol(NMHDR *pNMHDR, LRESULT *pResult)
          {

          }

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          • J Jochen Arndt

            That is for handling the message by the control class itself when having it derived. To handle the message in the parent do it like you have done already:

            ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN1, OnDeltaPos)

            S Offline
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            Sampath579
            wrote on last edited by
            #8

            Even tried below one, but no luck. :(

            BEGIN_MESSAGE_MAP(CMyClass, CScrollView)
            ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN, OnSpinContol)
            END_MESSAGE_MAP()

            void CMyClass::OnSpinContol(NMHDR *pNMHDR, LRESULT *pResult)
            {

            }

            V J 2 Replies Last reply
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            • S Sampath579

              BEGIN_MESSAGE_MAP(CMyClass, CScrollView)
              ON_NOTIFY_REFLECT(UDN_DELTAPOS,OnSpinContol)
              END_MESSAGE_MAP()

              void CMyClass::OnSpinContol(NMHDR *pNMHDR, LRESULT *pResult)
              {

              }

              V Offline
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              Victor Nijegorodov
              wrote on last edited by
              #9

              CMyClass seems to be a parent/owner of the spin control. So there must be ON_NOTIFY macro, not a ON_NOTIFY_REFLECT

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              • S Sampath579

                Even tried below one, but no luck. :(

                BEGIN_MESSAGE_MAP(CMyClass, CScrollView)
                ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN, OnSpinContol)
                END_MESSAGE_MAP()

                void CMyClass::OnSpinContol(NMHDR *pNMHDR, LRESULT *pResult)
                {

                }

                V Offline
                V Offline
                Victor Nijegorodov
                wrote on last edited by
                #10

                Sampath579 wrote:

                Even tried below one, but no luck. :(

                BEGIN_MESSAGE_MAP(CMyClass, CScrollView)
                ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN, OnSpinContol)
                END_MESSAGE_MAP()

                void CMyClass::OnSpinContol(NMHDR *pNMHDR, LRESULT *pResult)
                {

                }

                1. Define "no luck". 2. Do you pass the correct control ID (IDC_SPIN)?

                S 1 Reply Last reply
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                • S Sampath579

                  Even tried below one, but no luck. :(

                  BEGIN_MESSAGE_MAP(CMyClass, CScrollView)
                  ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN, OnSpinContol)
                  END_MESSAGE_MAP()

                  void CMyClass::OnSpinContol(NMHDR *pNMHDR, LRESULT *pResult)
                  {

                  }

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                  J Offline
                  Jochen Arndt
                  wrote on last edited by
                  #11

                  It is very probably sourced by the creation of your spin control:

                  m_spin.Create(UDS_HORZ, CRect(0, 0, 50, 50), this, 1011);

                  That misses the common window style flags like WS_CHILD | WS_VISIBLE | WS_TABSTOP. Just out of interest: Why are you creating your controls manually instead of using resource templates? With templates the default settings are initially set in the resource editor so that such errors did not occur.

                  S 1 Reply Last reply
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                  • V Victor Nijegorodov

                    Sampath579 wrote:

                    Even tried below one, but no luck. :(

                    BEGIN_MESSAGE_MAP(CMyClass, CScrollView)
                    ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN, OnSpinContol)
                    END_MESSAGE_MAP()

                    void CMyClass::OnSpinContol(NMHDR *pNMHDR, LRESULT *pResult)
                    {

                    }

                    1. Define "no luck". 2. Do you pass the correct control ID (IDC_SPIN)?

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                    Sampath579
                    wrote on last edited by
                    #12

                    Hey Thanks Victor. Its working now.

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                    • J Jochen Arndt

                      It is very probably sourced by the creation of your spin control:

                      m_spin.Create(UDS_HORZ, CRect(0, 0, 50, 50), this, 1011);

                      That misses the common window style flags like WS_CHILD | WS_VISIBLE | WS_TABSTOP. Just out of interest: Why are you creating your controls manually instead of using resource templates? With templates the default settings are initially set in the resource editor so that such errors did not occur.

                      S Offline
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                      Sampath579
                      wrote on last edited by
                      #13

                      Hey Thanks.. Finally its working. The very first thing is i am new to MFC and second is i am creating all dynamic windows and controls based on user input.

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