A litttle MFC push...

[Joelito]

main.cpp

#include <afxwin.h>
#include "main.h"

CApp app;

BOOL CApp::InitInstance() {
	m_pMainWnd = new CMarco();
	m_pMainWnd->ShowWindow(m_nCmdShow);
	m_pMainWnd->UpdateWindow();
	return TRUE;
}

BEGIN_MESSAGE_MAP(CMarco, CFrameWnd)
	ON_WM_CREATE()
	ON_WM_PAINT()
	ON_BN_CLICKED(10000, OnBnClicked1)
	ON_BN_CLICKED(20000, OnBnClicked2)
END_MESSAGE_MAP()

CMarco::CMarco() {
	Create(NULL, "Hola");
}

CMarco::~CMarco() {
	delete m_btn2;
	delete m_btn3;
}

void CMarco::OnCreate(LPCREATESTRUCT lpCreateStruct) {
	m_btn2 = new CButton();
	m_btn2->Create("Hola", WS_CHILD|WS_VISIBLE, CRect(10, 10, 50, 40), this, 10000);

	m_btn3 = new CButton();
	m_btn2->Create("Boo", WS_CHILD|WS_VISIBLE, CRect(10, 60, 50, 40), this, 20000);
}

void CMarco::OnBnClicked1() {
	MessageBox("Estás presionado", "Hola");
}

void CMarco::OnBnClicked2() {
	m_btn2->EnableWindow(FALSE);
}


void CMarco::OnPaint() {
	CPaintDC dc(this);

	dc.TextOut(5, 5, "Joel");
} // :~ Al terminar CPaintDC es eliminada, Qué bien!

main.h

#if !defined(_MFC_MAIN_H_)
#define _MFC_MAIN_H_

class CApp : public CWinApp {
public:
	virtual BOOL InitInstance();
};

class CMarco : public CFrameWnd {
public:
	CMarco();
	~CMarco();
private:
	CButton* m_btn2;
	CButton* m_btn3;
protected:
	afx_msg void OnPaint();
	afx_msg void OnBnClicked1();
	afx_msg void OnBnClicked2();
	afx_msg void OnCreate(LPCREATESTRUCT lpCreateStruct);
	DECLARE_MESSAGE_MAP();
};

#endif

Why the buttons are not showed?

[CornedBee]

Looks fine to me.

Have you tried making the buttons normal members instead of allocating them on the heap? Should make no difference, but ...

Hmm, how about button styles?