Got it working.... Thanks

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/////////////////////////////////////////////////////////////
//AutoWidthButton.h
#pragma once

// CAutoWidthButton

class CAutoWidthButton : public CButton
{
 DECLARE_DYNAMIC(CAutoWidthButton)

public:
 CAutoWidthButton();
 virtual ~CAutoWidthButton();

protected:
   afx_msg LRESULT OnSetText(WPARAM wParam,LPARAM lParam);
 DECLARE_MESSAGE_MAP()
   virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
   virtual void PreSubclassWindow();
private:
   void ResizeButton();

};

/////////////////////////////////////////////////////////////
// AutoWidthButton.cpp : implementation file
//

#include "stdafx.h"
#include "DynamicButtonWidth.h"
#include "AutoWidthButton.h"
#include ".\autowidthbutton.h"

// CAutoWidthButton

IMPLEMENT_DYNAMIC(CAutoWidthButton, CButton)
CAutoWidthButton::CAutoWidthButton()
{
}

CAutoWidthButton::~CAutoWidthButton()
{
}

BEGIN_MESSAGE_MAP(CAutoWidthButton, CButton)
   ON_MESSAGE(WM_SETTEXT,OnSetText)
END_MESSAGE_MAP()

// CAutoWidthButton message handlers

BOOL CAutoWidthButton::PreCreateWindow(CREATESTRUCT& cs)
{
   if (CButton::PreCreateWindow(cs))
   {
      ResizeButton();
      return TRUE;
   }
   return FALSE;
}

void CAutoWidthButton::PreSubclassWindow()
{
   CButton::PreSubclassWindow();
   ResizeButton();
}

LRESULT CAutoWidthButton::OnSetText(WPARAM wParam,LPARAM lParam)
{
   LRESULT Result = Default();
   ResizeButton();
   return Result;
}

void CAutoWidthButton::ResizeButton()
{
   CDC *pDC = GetDC();
   CString Text;
   GetWindowText(Text);
   CRect Rect;
   GetWindowRect(&Rect);
   CSize Size = pDC->GetTextExtent(Text);
   SetWindowPos(NULL,0,0,Size.cx +
10,Rect.Height(),SWP_NOMOVE|SWP_NOZORDER);
   ReleaseDC(pDC);
}

AliR.

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