      䳿.        .
    㳿 Delphi.       .
Object  Inspector.       .
Object  Inspector.      .    䳿.  `  䳿    .
   CLICK, MOUSEDOWN, MOUSEUP, MOUSEMOVE.
Object  Inspector.      .
    TBUTTON, TLABEL, TEDIT.
      TLISTBOX, TCOMBOBOX.
      TMEMO.
     TPANEL,  TPAGECONTROL.
   Delphi,  BREAK, CONTINUE.
    RESULT  .        EXIT.
      TRY  EXCEPT, TRY  FINALLY.
  UNIT.  INTERFACE, IMPLEMRNTATION    .
  ,       .
   (,   ).
.             .
.  .  USES   .
.          .
.     Delphi: , , ,  (TFONT).
.    (TPEN).
.    (TBRUSH).
.     (TCANVAS).
.     MOVETO, LINETO.
.     TEXTOUT.
.     .
.        .  SETLENGTH.
.    .  LOW, HIGH, LENGTH.
.        RANDOM .
.      .