C / C++ / MFC

 _CatalogPtr m_pCatalog  = NULL;
				 CoInitialize(NULL);
		         m_pCatalog.CreateInstance(__uuidof (Catalog));
			
m_pCatalog->Create((const char *)(CString("Provider =Microsoft.Jet.OLEDB.4.0;Data Source=" + csAccessDbname)));

UserRs.Open(CRecordset::snapshot,Sql,CRecordset::none);

try
	{
		  UserCn.OpenEx(_T("Driver={Microsoft Access Driver (*.mdb)};" "Dbq=" + csAccessDbname + ";"),CDatabase::noOdbcDialog);  
	  }
           //Exception occurd here
	  UserRs.Open(CRecordset::snapshot,Sql,CRecordset::none);	  
	}	
	catch(CDBException cdb)
	{ 
	  MessageBox(NULL,cdb.m_strError ,"fnInitFromFile_CDBException",0);
	}
	catch(CException ce)
	{
	  AfxMessageBox(ce.ReportError());	  
	  AfxMessageBox("CException..inside fnInitFromFile");
	}
	catch(...)
	{ 	  //Exception caught here
	  MessageBox(NULL,"CRecordSetfailed.. ","fnInitFromFile_Exception",0);	  	  
	}

#include "MyHeap.h"
void MyHeap::Build_Max_Heap(int * array, int length)
{
	for (int i= (length/2); i>=0 ; i--)
	{
		Max_heapify(array, i, length);
	}
}

void MyHeap::Max_heapify(int * array, int index, int length)
{
	int left = ((2 * index) + 1);
	int right = ((2 * index) + 2);
	int largest;
	if ((left <= length) && (array[left] > array[index]))
	{
		largest = left;
	}
	else
	{
		largest = index;
	}

	if ((right <= length) && (array[right] > array[largest]))
	{
		largest = right;
	}

	if (largest != index)
	{
		swap(array[largest], array[index]);
		Max_heapify(array, largest, length);
	}
}

void MyHeap::swap(int & a, int & b)
{
	int c = a;
	a = b;
	b = c;
}

void MyHeap::print(int * array, int length)
{
	for (int i = 0; i< length; i++)
	{
		cout<<array[i]<<"\t";
	}
}

int main()
{
	int array[] = {14, 10, 1, 8, 7, 9, 3, 2, 4, 16};
	MyHeap h;
	h.print(array, 10);
	h.Build_Max_Heap(array, 10);
	h.print(array, 10);

	int x;
	cin>>x;
	return(0);
}