.


:




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, . , Label Button. :

void _fastcall TForm1::Button1Click(Tobject *Sender)

{

int i,j;

double A;

for(i=0; i<50;i++)

A*=10000; // A 10000

Label1->Caption = A = +B;

}

, , . , | , . | , F9.

. :

[C++ Warning] Unit1.cpp (23): W8013 Possible use of A before definition

([C++ ] Unit1.cpp, 23: W8013 A, , , )

, A 23 . , , . :

A*=10000; // A 10000

, :

double A=1;

A , .

:

[C++ Error] Unit1.cpp (24): E2451 Undefined symbol B

([C++ ] Unit1.cpp, 24: E2451 B)

.

Label1->Caption = A = +B;

A B, . , .

, .

:

[C++ Warning] Unit1.cpp (25): W8080 j is declared but never used

([C++ ] Unit1.cpp, 25: W8080 j , )

j .

:

[C++ Warning] Unit1.cpp (25): W8057 Parameter Sender is never used

([C++ ] Unit1.cpp, 25: W8057 Sender )

Sender , . , .

, - B.

B A :

[C++ Error] Unit1.cpp (24): E2060 Illegal use of floating point

([C++ ] Unit1.cpp, 24: E2060 )

Label1->Caption = A = +A;

A = A. .

double A=1;

void _fastcall TForm1::Button1Click(Tobject *Sender)

{

int i;

for(i=0; i<50;i++)

A*=10000; // A 10000

Label1->Caption = A = + FloatToStr(A);

}

.

 

, , . . Unit1.cpp, , : Project1.exe EOverflow . . Step Run .

, . (exceptions) .

OK, , . , .





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