Microsoft & .NETVisual C#CString Extensions for Resource Loading and String Formatting

CString Extensions for Resource Loading and String Formatting

Class Definitions

<font color=green>// Load resource</font>
class CResString : public CString
{
public:	
 CResString(): CString() {}; 
	 
 CResString(UINT nResID) 
 { 
  Init();
  VERIFY(LoadString(nResID) != 0);
  _ASSERTE( m_pchData );
 };

 void operator () (UINT nResID)
 {
  Init();
  VERIFY(LoadString(nResID) != 0);
  _ASSERTE( m_pchData );
 }
};

<font color=green>// Format </font>
class CFmtString : public CString
{
public:	
 CFmtString(): CString() {}; 

 CFmtString( char *szFormat, ... ) 
 { 
  Init();
  va_list argList;
  va_start( argList, szFormat );
  FormatV( szFormat, argList );
 };

 CFmtString( UINT uResID, ... ) 
 { 
  Init();
  va_list argList;
  CResString sFormat( uResID );
  va_start( argList, sFormat );
  FormatV( sFormat, argList );
 };

 void operator () ( char *szFormat, ... )
 {
  Init();
  va_list argList;
  va_start( argList, szFormat );
  FormatV( szFormat, argList );
 }

 void operator () ( UINT uResID, ... )
 {
  Init();
  va_list argList;
  CResString sFormat( uResID );
  va_start( argList, sFormat );
  FormatV( sFormat, argList );
 }
};

Examples of Using the CResString Class

CResString sSection(IDS_DATAOBJECTSECTION);
	
<font color=green>// Use sSection</font>

<font color=green>// ...</font>

<font color=green>// Load another string</font>

sSection(IDS_INVALIDOBJECT);

Example of Using the CFmtString Class

CFmtString sCommand(_T("SELECT %s FROM %s WHERE %s = %d"),
                    sColumn1, sTable, sColumn2, nID );
	
<font color=green>// Use sQuery</font>

<font color=green>// ...</font>

<font color=green>// Format another</font>
	
sCommand(_T("UPDATE %s SET %s = %d WHERE %s = %d"),  
         sTable, sColumn1, nValue, sColumn2, nID );

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