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// dd.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include "stdio.h" #include "conio.h" // #import ADO. #undef EOF #import "d:/program files/common files/system/ado/msado15.dll" no_namespace #import "d:/program files/common files/system/ole db/Oledb32.dll " no_namespace // In ADO 2.0, you would use the following #import statement. // Copy and paste of this code might result in escape sequence error //during compile time. You can either write the whole #import statement //in one line, or make sure that there is no space after escape sequence //"/". // In ADO 2.1 use the following #import statement. //#import "c:/program files/common files/system/ole db/oledb32.dll" / // no_namespace void main() { HRESULT hr; IDataSourceLocatorPtr dlPrompt = NULL; _ConnectionPtr conn = NULL; _RecordsetPtr rs = NULL; // Initialize COM ::CoInitialize( NULL ); try { // Instantiate DataLinks object. hr = dlPrompt.CreateInstance( __uuidof( DataLinks ) ); if ( FAILED( hr ) ) throw( _com_error( hr, NULL ) ); // Prompt for connection information. conn = dlPrompt->PromptNew(); // If connection object is NULL, user cancelled. if ( NULL == conn ) goto Exit; // Open connection (connection returned by DataLinks is just // a holder for the returned ConnectionString). conn->Open( conn->ConnectionString, L"", L"", -1 ); // Get a list of tables and dump list to console. rs = conn->OpenSchema( adSchemaTables ); printf( "Listing tables:/n" ); while ( !rs->EOF ) { printf( "%s/n", (char*) (_bstr_t) rs->Fields->Item[L"TABLE_NAME"]->Value ); rs->MoveNext(); } } catch ( _com_error &ce ) { // Trace COM error information. printf( "/nCom Exception Information/n" ); printf( "Description : %s/n", (char*) ce.Description() ); printf( "Message : %s/n", (char*) ce.ErrorMessage() ); printf( "HResult : 0x%08x/n", ce.Error() ); } Exit: printf( "DataLink test complete. Press any key to exit test./n" ); _getch(); }