C / C++ / MFC

Todd Smith

#include "memory.h"
#include "new.h"
//
void main()
{
	int x = 4, y = 7, z = 9; // 3D array
	int i, j, k;
//
	// Allocate memory
	int nSize = x * y * z * sizeof(int);
	int* p = (int*)::operator new(x * y * z * sizeof(int));
	int* q = p; // Used while creating the array
	::memset(p, 0, nSize); // Initialize all array data to zero
//
	// Create the array
	int*** a = new int**[x];
	for (i = 0; i < x; i++)
	{
		a[i] = new int*[y];
		for (j = 0; j < y; j++)
		{
			a[i][j] = new (q) int[z];
			q += z;
		}
	}
//
	// Set values to all values in the array
	for (i = 0; i < x; i++)
	{
		for (j = 0; j < y; j++)
		{
			for (k = 0; k < z; k++)
			{
				a[i][j][k] = i + (j * x) + (k * x * y);
			}
		}
	}	
//
	// Deallocate the array -  NB! No destruction
	for (i = 0; i < x; i++)
	{
		delete[] a[i];
	}
	delete[] a;	
	::operator delete(p);
}

<br />
class Cell {<br />
.. whatever each cell stores<br />
  };<br />
class Row {<br />
..<br />
..<br />
..<br />
Cell &operator[](const int idx);<br />
<br />
}<br />
<br />
class Matrix {<br />
 ..<br />
..<br />
<br />
 Row &operator[](const int idx);<br />
<br />
};<br />
<br />

<br />
Matrix mat(...);<br />
Cell v1,v2;<br />
mat[row][column] = v1;<br />
<br />
v2 = mat[row][col];<br />
<br />

<br />
private:<br />
	<br />
	TCHAR sSigners[STRING_LENGTH][MAX_SIGNERS];<br />
	TCHAR sCountSigners[STRING_LENGTH][MAX_SIGNERS];<br />
	DWORD dwCountSigners[MAX_SIGNERS]; <br />
	<br />
<br />
	//CountSign *cCountSigners;//[MAX_SIGNERS];<br />
<br />
	UINT uiNumberOfSigners;	<br />
	UINT uiNumberOfCountSigners;<br />
};<br />

<br />
void CViewSigners::AddCounterSignerToDisplay(TCHAR *psCountSignerName, DWORD dwIndexOfSigCountSigned)<br />
{<br />
	if(uiNumberOfCountSigners == MAX_SIGNERS)<br />
	{<br />
<br />
		TCHAR *psErrorMessage;<br />
		TCHAR *psErrorTitle;<br />
					<br />
		psErrorMessage = new TCHAR[STRING_LENGTH]; <br />
		psErrorTitle = new TCHAR[STRING_LENGTH];<br />
<br />
		LoadString(_Module.GetModuleInstance(), IDS_MAX_CERTS, psErrorMessage, STRING_LENGTH);<br />
		LoadString(_Module.GetModuleInstance(), IDS_CERTERROR_TITLE, psErrorTitle, STRING_LENGTH);<br />
<br />
		MessageBox(psErrorMessage, psErrorTitle, MB_OK | MB_ICONWARNING);<br />
<br />
		delete[] psErrorMessage;<br />
		delete[] psErrorTitle;<br />
	}<br />
	else<br />
	{<br />
		char sTest[10];<br />
		_ultoa(dwIndexOfSigCountSigned ,sTest, 10);<br />
		AfxMessageBox(sTest);<br />
<br />
		strcpy(&sCountSigners[uiNumberOfCountSigners][0], psCountSignerName);<br />
		dwCountSigners[uiNumberOfCountSigners] = dwIndexOfSigCountSigned; <br />
<br />
		uiNumberOfCountSigners++;<br />
	}<br />
<br />
}<br />

<br />
BOOL CViewSigners::OnInitDialog() <br />
{<br />
	CDialog::OnInitDialog();<br />
<br />
<br />
	HTREEITEM hItem[MAX_SIGNERS];<br />
	m_imageList.Create(IDB_SIGNER_TREE, 14, 1, RGB(255,0,0));<br />
	m_tSignersView.SetImageList(&m_imageList, TVSIL_NORMAL);<br />
<br />
	CViewSigners::SetWindowText("Signers");<br />
<br />
		//m_stSignersTitle = _T("File Signed By");<br />
		//UpdateData(FALSE);<br />
<br />
	TCHAR sTempCertName[STRING_LENGTH];<br />
<br />
<br />
	for(int i = 0; i < uiNumberOfSigners; i++)<br />
	{<br />
		hItem[i] = m_tSignersView.InsertItem(&sSigners[i][0], 0, 0);<br />
	}<br />
<br />
<br />
	for(int u = 0; u < uiNumberOfCountSigners; u++)<br />
	{<br />
<br />
		m_tSignersView.InsertItem(&sCountSigners[u][0], 1, 1, hItem[dwCountSigners[i]]);<br />
	<br />
		char sTest[10];<br />
		_ultoa(dwCountSigners[i] ,sTest, 10);<br />
		AfxMessageBox(sTest);<br />
<br />
		m_tSignersView.Expand(hItem[u], TVE_EXPAND );<br />
<br />
		//_strset(sTempCertName, NULL);<br />
	}<br />
<br />
return TRUE;  // return TRUE unless you set the focus to a control<br />
	              // EXCEPTION: OCX Property Pages should return FALSE<br />
<br />
}<br />