Dynamic_cast problem

[kamo10]

ANY ONE WHO CAN EXPLAIN THIS CODE FOR ME BY COMMENTING ON THE LINES THAT ARE IMPORTANT PLEASE HELP ME!!!!!

//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "CastUnit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TCastForm *CastForm;
//---------------------------------------------------------------------------
__fastcall TCastForm::TCastForm(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TCastForm::DisableButtonMouseDown(TObject *Sender,
      TMouseButton Button, TShiftState Shift, int X, int Y)
{
   for (int count = 0 ; count < CastForm->ComponentCount ; count++)
      if(CastForm->Components[count]->ClassNameIs("TEdit"))
         dynamic_cast <TEdit*>(CastForm->Components[count])->Enabled = false;
}
//---------------------------------------------------------------------------
void __fastcall TCastForm::DisableButtonMouseUp(TObject *Sender,
      TMouseButton Button, TShiftState Shift, int X, int Y)
{
   for (int count = 0 ; count < CastForm->ComponentCount ; count++)
      if(CastForm->Components[count]->ClassNameIs("TEdit"))
         dynamic_cast <TEdit*>(CastForm->Components[count])->Enabled = true;
}
//---------------------------------------------------------------------------
void __fastcall TCastForm::ChangeColorButtonClick(TObject *Sender)
{
   if (ChangeColorButton->Tag == 1)
   {
      for (int tel = 0 ; tel < CastForm->ComponentCount ; tel++)
         if(CastForm->Components[tel]->ClassNameIs("TEdit"))
            dynamic_cast <TEdit*>(CastForm->Components[tel])->Color = clYellow;
      ChangeColorButton->Tag = 0;
   }
   else
   {
      if ( ChangeColorButton->Tag == 0)
         for (int tel = 0 ; tel < CastForm->ComponentCount ; tel++)
            if(CastForm->Components[tel]->ClassNameIs("TEdit"))
               dynamic_cast <TEdit*>(CastForm->Components[tel])->Color = clWhite;
      ChangeColorButton->Tag = 1;
   }
}
//---------------------------------------------------------------------------
void __fastcall TCastForm::Edit1Click(TObject *Sender)
{
   if(Sender->ClassNameIs("TEdit"))
      Label1->Caption = dynamic_cast <TEdit*>(Sender)->Text;

   if(Sender->ClassNameIs("TPanel"))
   {
      Label1->Caption = dynamic_cast <TPanel*>(Sender)->Caption;
      if (dynamic_cast <TPanel*>(Sender)->Tag == 0)
      {
         dynamic_cast <TPanel*>(Sender)->Color = clRed;
         dynamic_cast <TPanel*>(Sender)->Tag = 1;
      }
      else
      {
         dynamic_cast <TPanel*>(Sender)->Color = clBlue;
         dynamic_cast <TPanel*>(Sender)->Tag = 0;
      }
   }
}
//---------------------------------------------------------------------------
void __fastcall TCastForm::Shape1MouseDown(TObject *Sender,
      TMouseButton Button, TShiftState Shift, int X, int Y)
{
   dynamic_cast <TShape*>(Sender)->Brush->Color = ColorDialog1->Color;

   if( dynamic_cast <TShape*>(Sender)->Shape == stRectangle)
   {
      dynamic_cast <TShape*>(Sender)->Shape = stCircle;
      CastForm->Repaint();
   }
   else
      if( dynamic_cast <TShape*>(Sender)->Shape == stCircle)
      {
         dynamic_cast <TShape*>(Sender)->Shape = stRoundSquare;
         CastForm->Repaint();
      }
      else
         if( dynamic_cast <TShape*>(Sender)->Shape == stRoundSquare)
         {
            dynamic_cast <TShape*>(Sender)->Shape = stRectangle;
            CastForm->Repaint();
         }
}
//---------------------------------------------------------------------------
void __fastcall TCastForm::Button1Click(TObject *Sender)
{
   ColorDialog1->Execute();
}
//---------------------------------------------------------------------------

[Ancient Dragon]

lines 1, 10, 15, 23, 31, 50, 71, 95 and 100 are comments. So how is that related to the subject of this thread ?

[ithelp]

lines 1, 10, 15, 23, 31, 50, 71, 95 and 100 are comments. So how is that related to the subject of this thread ?

The user has copied the code from somewhere and is asking us to put comments in the code so that he can understand what is the code doing :)