Re: Button use in VC6

This is the way I did a repeating button:

#pragma once
// CRepeatButton.h : header file
//

/////////////////////////////////////////////////////////////////////////////
// CRepeatButton window

class CRepeatButton : public CButton
{
// Construction
public:
   CRepeatButton();

// Attributes
public:

// Operations
public:

// Overrides
   // ClassWizard generated virtual function overrides
   //{{AFX_VIRTUAL(CRepeatButton)
   //}}AFX_VIRTUAL

// Implementation
public:
   virtual ~CRepeatButton();

   // Generated message map functions
protected:
   //{{AFX_MSG(CRepeatButton)
   afx_msg void OnLButtonDown(UINT nFlags, CPoint point);
   afx_msg void OnLButtonUp(UINT nFlags, CPoint point);
   afx_msg void OnTimer(UINT nIDEvent);
   afx_msg void OnMouseMove(UINT nFlags, CPoint point);
   //}}AFX_MSG

   DECLARE_MESSAGE_MAP()
private:
   CRect m_ClientRect;
   BOOL m_IsOut;
};

/////////////////////////////////////////////////////////////////////////////

// CRepeatButton.cpp : implementation file
//
#include "stdafx.h"
#include "RepeatButton.h"

/////////////////////////////////////////////////////////////////////////////
// CRepeatButton

CRepeatButton::CRepeatButton()
{
}

CRepeatButton::~CRepeatButton()
{
}

BEGIN_MESSAGE_MAP(CRepeatButton, CButton)
 //{{AFX_MSG_MAP(CRepeatButton)
   ON_WM_LBUTTONDOWN()
   ON_WM_LBUTTONUP()
   ON_WM_TIMER()
   ON_WM_MOUSEMOVE()
   //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CRepeatButton message handlers

void CRepeatButton::OnLButtonDown(UINT nFlags, CPoint point)
{
   m_IsOut = FALSE;

   GetClientRect(&m_ClientRect);
   SetCapture();

   //start the repeat process after a 250 millisecond delay
   SetTimer(100,250,NULL);

   CButton::OnLButtonDown(nFlags, point);
}

void CRepeatButton::OnLButtonUp(UINT nFlags, CPoint point)
{
   KillTimer(200);
   KillTimer(100);

   ReleaseCapture();

   CButton::OnLButtonUp(nFlags, point);
}

void CRepeatButton::OnTimer(UINT nIDEvent)
{
   if (nIDEvent == 100)
   {
      KillTimer(100);
      //start the repeat process
      SetTimer(200,0,NULL);
   }
   else if (nIDEvent = 200)
   {
      CWnd *Parent = GetParent();
      if (Parent)
      {
         Parent->SendMessage(WM_COMMAND,MAKEWPARAM(GetDlgCtrlID(),BN_CLICKED),(LPARAM)m_hWnd);
      }
   }

   CButton::OnTimer(nIDEvent);
}

void CRepeatButton::OnMouseMove(UINT nFlags, CPoint point)
{
   if ((nFlags & MK_LBUTTON))
   {
      if (m_ClientRect.PtInRect(point) && m_IsOut)
      {
         m_IsOut = FALSE;
         SetTimer(200,0,NULL);
      }
      else if (!m_ClientRect.PtInRect(point) && !m_IsOut)
      {
         m_IsOut = TRUE;
         KillTimer(100);
         KillTimer(200);
      }
   }
}

AliR.

"Kahlua" <kahlua@right.here> wrote in message
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