Shrinking SQL Server Transaction Logs with SQL-DMO

/////////////////////////////////////////////////////////////////////////////

#include "StdAfx.h"
#include "Dialogs.h"
#include "VerInfo.h"
#include "Resource.h"

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg

CAboutDlg::CAboutDlg( void ) 
		 : CDialog( CAboutDlg::IDD )
{
}

void CAboutDlg::DoDataExchange( IN CDataExchange* pDX )
{
	CDialog::DoDataExchange( pDX );
}

BEGIN_MESSAGE_MAP( CAboutDlg, CDialog )
END_MESSAGE_MAP()

BOOL CAboutDlg::OnInitDialog( void )
{
	BOOL bRetval = CDialog::OnInitDialog();
	CenterWindow();

	CFileVersionInfo fvi;
	if( fvi.Open( AfxGetInstanceHandle() ) )
	{
		TCHAR szTmp[ MAX_PATH ] = { 0 };

		VS_FIXEDFILEINFO vffi = fvi.GetVSFFI();
		::wsprintf( 
			szTmp, _T( "Version %d.%d Build %d" ), 
			HIWORD( vffi.dwFileVersionMS ),
			LOWORD( vffi.dwFileVersionMS ),
			HIWORD( vffi.dwFileVersionLS )
		);

		SetDlgItemText( IDC_LBL_APP_TITLE, AfxGetAppName() );
		SetDlgItemText( IDC_LBL_APP_VERSION, szTmp );

		fvi.QueryStringValue( VI_STR_LEGALCOPYRIGHT, szTmp, MAX_PATH );
		SetDlgItemText( IDC_LBL_APP_COPYRIGHT, szTmp );

		fvi.QueryStringValue( VI_STR_COMPANYNAME, szTmp, MAX_PATH );
		SetDlgItemText( IDC_LBL_APP_COMPANY, szTmp );
	}

	return ( bRetval );
}

/////////////////////////////////////////////////////////////////////////////
// CBaseWizPg dialog

IMPLEMENT_DYNAMIC( CBaseWizPg, CPropertyPage )

CBaseWizPg::CBaseWizPg( IN UINT nIDTemplate )
		  : CPropertyPage( nIDTemplate )		  
{
	m_psp.dwFlags |= PSP_DEFAULT | PSP_USEHEADERTITLE | PSP_USEHEADERSUBTITLE;
	m_psp.dwFlags &= ~PSP_HASHELP;
}

CBaseWizPg::~CBaseWizPg( void )
{
}

BOOL CBaseWizPg::OnInitDialog( void )
{
	BOOL bRetval = CPropertyPage::OnInitDialog();

	m_pPsh = (CWizPsh*)GetParent();
	if( m_pPsh == NULL )
		return ( FALSE );

	return ( bRetval );
}

BOOL CBaseWizPg::OnSetActive( void ) 
{
	BOOL bRetval = CPropertyPage::OnSetActive();
	
	ASSERT( m_pPsh != NULL );
	m_pPsh->SetWizardButtons( PSWIZB_BACK | PSWIZB_NEXT );
	
	TrimWorkingSet();

	return ( bRetval );
}

void CBaseWizPg::ResetToDefaults( void )
{
}

BOOL CBaseWizPg::CheckDlgItemText( IN INT nDlgItemID )
{
	ASSERT( IS_INTRESOURCE( nDlgItemID ) );
	
	CWnd* pWnd = GetDlgItem( nDlgItemID );
	ASSERT( pWnd != NULL );

	if( pWnd )
	{
		if( pWnd->GetWindowTextLength() > 0 )
			return ( TRUE );

		CString strMsg, strParam;		
		strParam.LoadString( nDlgItemID );
		AfxFormatString1( strMsg, IDP_INVALID_STR, strParam );
		
		AfxMessageBox( strMsg );		
		pWnd->SetFocus();
	}

	return ( FALSE );
}

/////////////////////////////////////////////////////////////////////////////