920  15

TGraphicControl	    ,  ,  ,  .   I   Canvas  ,    .
TMenu	     .        .
TMenuItem	   .     .
TCommonDialog	  .          Execute.
TField	    .       : AsFloat, Aslnteger  ..
TDataSet	    (, TQuery, TStoredProc  .).         .
TStrings	 ,          C++Builder   .        .

15.3 

        4  
4.9.          -
,    .

15.3.1    VCL

       C++Bu-
ilder     .  
          .
 ,   ,    Excep-
tion     ()  VCL,  
 exception,   C++.      .