C / C++ / MFC

HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
CBitmap bitmap;
CBrush brush;

bitmap.LoadBitmap(IDB_BACKG);
	
int nCtrl = pWnd->GetDlgCtrlID();
pDC->SetBkColor(RGB_VALUE);

if ( NULL != brush.m_hObject )            
        ::DeleteObject(brush);        

brush.CreatePatternBrush(&bitmap);
hbr = brush;
return hbr;

#include <iostreamᡊe9ac73-238b-46be-991d-0f050c37248dusing namespace std;

class CCore
{
public:
	void Job(int iId) {
		// Do the job
		cout << "Hey this is button " << iId << " clicked.\n";
		// Passing info from that ID to WM_LBUTTONDOWN....
	}
};

class CMy
{
	int _iId;
	static CCore _EventMachine;

public:
	CMy(int iId) { _iId = iId; }
	void ButtonLClicked() {
		_EventMachine.Job(_iId);
	}
};

CCore CMy::_EventMachine;


void main()
{
	CMy	btn[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};

	btn[2].ButtonLClicked();
	btn[6].ButtonLClicked();
}