C / C++ / MFC

__int8 *stepArray[4] = NULL; // declaration

// n should be the number of rows you want, not the highest index!!!
// the best way to insert elements is through a function or to embed this 
// array in a class
stepArray = (__int8 **) malloc(n * sizeof(__int8*)); // the number of rows you want
// allocate for each row 4 columns
while(n-- > 0)
    stepArray[n] = (__int8*) malloc(sizeof(__int8));

CGridCtrl m_Grid;

DDX_GridControl(pDX, IDC_GRID, m_Grid);

typedef unsigned char UCHAR;

#define UCHAR char

#define IDC_GRID                        1004

#include "GridCtrl_src/GridCtrl.h"
class CGridCtrlDemoDlg : public CDialog
{
// Construction
public:
   ...
   CGridCtrl m_Grid;

...
void CGridCtrlDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CGridCtrlDemoDlg)
	...   
	DDX_Control(pDX, IDC_GRID, m_Grid); 
	//}}AFX_DATA_MAP
}
...
BOOL CGridCtrlDemoDlg::OnInitDialog()
{
    m_Grid.[SetSomeProperties...];