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{
TFileStream * FS = new TFileStream(ChangeFileExt(Application->ExeName, ".bin"), fmCreate);
try
{
#pragma option push -a1
struct
{
int X;
int Y;
char ChaineAnsi[100];
wchar_t ChaineUTF16[100];
double D;
} WRec;
#pragma option pop
ZeroMemory(&WRec, sizeof(WRec));
WRec.X = 1;
WRec.Y = -1;
AnsiString Sa = "Bonjour ! Il fait moche cet été !";
StrLCopy(WRec.ChaineAnsi, Sa.c_str(), Sa.Length());
UnicodeString Su = "Au Revoir ! On dirait l'automne de l'hémisphère nord, allons cueillir des châtaignes !";
StrLCopy(WRec.ChaineUTF16, Su.c_str(), Su.Length());
WRec.D = 1.01;
FS->Write(&WRec, sizeof(WRec));
}
__finally
{
delete FS;
}
FS = new TFileStream(ChangeFileExt(Application->ExeName, ".bin"), fmOpenRead);
try
{
#pragma option push -a1
struct
{
short A;
short B;
short C;
unsigned short D;
AnsiChar ChaineOne[50];
AnsiChar ChaineTwo[50];
WideChar ChaineThree[50];
WideChar ChaineFor[50];
double R;
} RRec;
#pragma option pop
FS->Read(&RRec, sizeof(RRec));
ShowMessage(RRec.A);
ShowMessage(RRec.B);
ShowMessage(RRec.C);
ShowMessage(RRec.D);
ShowMessage(RRec.ChaineOne);
ShowMessage(RRec.ChaineTwo);
ShowMessage(RRec.ChaineThree); // utilise StrLen donc comme pas de 00 00 cela déborde sur ChaineFor
ShowMessage(RRec.ChaineFor);
ShowMessage(RRec.R);
}
__finally
{
delete FS;
}
ShowMessage("TBinaryReader ANSI");
TBinaryReader * BR = new TBinaryReader(ChangeFileExt(Application->ExeName, ".bin"), TEncoding::Default);
try
{
ShowMessage(BR->ReadInt32());
ShowMessage(BR->ReadInt32());
TCharArray CA = BR->ReadChars(100);
TStringBuilder *SB = new TStringBuilder();
try
{
SB->Append(CA);
ShowMessage(SB->ToString());
}
__finally
{
delete SB;
}
CA = BR->ReadChars(200);
SB = new TStringBuilder();
try
{
SB->Append(CA);
ShowMessage(SB->ToString());
}
__finally
{
delete SB;
}
ShowMessage(BR->ReadDouble());
}
__finally
{
delete BR;
}
ShowMessage("TBinaryReader Unicode");
BR = new TBinaryReader(ChangeFileExt(Application->ExeName, ".bin"), TEncoding::Unicode);
try
{
ShowMessage(BR->ReadInt32());
ShowMessage(BR->ReadInt32());
TCharArray CA = BR->ReadChars(50);
TStringBuilder *SB = new TStringBuilder();
try
{
SB->Append(CA);
ShowMessage(SB->ToString());
}
__finally
{
delete SB;
}
CA = BR->ReadChars(100);
SB = new TStringBuilder();
try
{
SB->Append(CA);
ShowMessage(SB->ToString());
}
__finally
{
delete SB;
}
ShowMessage(BR->ReadDouble());
}
__finally
{
delete BR;
}
} |
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