1   
2   //---------------------------------------------------------------------------
3   
4   #include <vcl.h>
5   #pragma hdrstop
6   
7   #include "Unit1.h"
8   //---------------------------------------------------------------------------
9   #pragma package(smart_init)
10  #pragma resource "*.dfm"
11  TForm1 *Form1;
12  //---------------------------------------------------------------------------
13  __fastcall TForm1::TForm1(TComponent* Owner)
14          : TForm(Owner)
15  {
16  }
17  //---------------------------------------------------------------------------
18  
19  bool IsSmallFonts(void){
20  bool bSmall;
21   HDC  DC;
22   DC = GetDC(0);
23   bSmall=( (GetDeviceCaps(DC, LOGPIXELSX) == 96));
24   ReleaseDC(0, DC);
25   return bSmall;
26  }
27  
28  //---------------------------------------------------------------------------
29  
30  void __fastcall TForm1::Button1Click(TObject *Sender)
31  {
32  if(IsSmallFonts()==true){
33   ShowMessage("PC is using small fonts");
34  }
35  else{
36  ShowMessage("PC is NOT using small fonts");
37  }
38  }
39  //---------------------------------------------------------------------------