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| What is translated > Types > API Integration > DWORD DWORD is an example for the API integration. DWORD is defined in Winapi,Windows.pas as: 
 DWORD = System.Types.DWORD; {$EXTERNALSYM DWORD} 
 
 and in System.Types.pas it is defined as: 
 DWORD = FixedUInt; {$EXTERNALSYM DWORD} 
 
 
 Because in both cases the EXTERNALSYM directive is applied, these definitions are ignored and DWORD simply remains DWORD at the translation to C#. Indeed DWORD is defined in the Windows API in minwindef.h as: 
 
 typedef unsigned long DWORD; 
 
 
 It's not necessary to know, that FixedUInt is defined in System.pas for Windows as 
 FixedUInt = LongWord; 
 
 In the type-map you can see: 
 
 
 
 
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