Question about NONCLIENTMETRICS

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Picnic

Joined: 05 May 2007
Posts: 1393
Location: Piraeus, Greece

Picnic 13 Oct 2013, 09:04

Hello,

I see the NONCLIENTMETRICS structure in MSDN

Code:

typedef struct tagNONCLIENTMETRICS {
  UINT    cbSize;
  int     iBorderWidth;
  int     iScrollWidth;
  int     iScrollHeight;
  int     iCaptionWidth;
  int     iCaptionHeight;
  LOGFONT lfCaptionFont;
  int     iSmCaptionWidth;
  int     iSmCaptionHeight;
  LOGFONT lfSmCaptionFont;
  int     iMenuWidth;
  int     iMenuHeight;
  LOGFONT lfMenuFont;
  LOGFONT lfStatusFont;
  LOGFONT lfMessageFont;
#if (WINVER >= 0x0600)                            ; here
  int     iPaddedBorderWidth;
#endif 
}

I want to implement the preprocessor directive in fasm.

Code:

if defined WINVER 
  if WINVER >= 0x600
    iPaddedBorderWidth dd ?
  end if
end if

That means i have to define WINVER manually and replace it's value depending the Windows version i compile for each time?
Thank you.

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13 Oct 2013, 09:04

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20409
Location: In your JS exploiting you and your system

revolution 13 Oct 2013, 09:09

Probably easier and safer to define the structure member permanently and then in the code check for the windows version at runtime. Also remember you need to adjust the cbSize value accordingly before calling the Windows API.

13 Oct 2013, 09:09

Picnic

Joined: 05 May 2007
Posts: 1393
Location: Piraeus, Greece

Picnic 13 Oct 2013, 10:07

Ah, neat, It says so on remarks Mad

My app now seems to work on both xp/vista. Have a nice day revolution.

Code:

        mov [ncm.cbSize], sizeof.NONCLIENTMETRICS
        mov [lpVersion.dwOSVersionInfoSize], sizeof.OSVERSIONINFO
        invoke GetVersionEx, lpVersion
        .if ( [lpVersion+OSVERSIONINFO.dwMajorVersion] < 6 ) ; #if (WINVER < 0x0600)
                sub [ncm.cbSize], 4
        .endif

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13 Oct 2013, 10:07

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