Delphi to C++ types mapping
Go Up to Support for Delphi Data Types and Language Concepts
Below you can find a list of Delphi data types and the corresponding C++ data types:
Delphi type | defined in sysmac.h | Platform | Corresponding C++ type |
---|---|---|---|
System::Boolean |
bool | ||
System::Int8 |
signed char | ||
System::SmallInt |
short | ||
System::Integer |
int | ||
System::Int64 |
__int64 | ||
System::Byte |
unsigned char | ||
System::Word |
unsigned short | ||
System::Cardinal |
unsigned | ||
System::UInt64 |
unsigned __int64 (unsigned long long) | ||
NativeInt | System::NativeInt | 32-bit platforms | int |
64-bit platforms | __int64 | ||
NativeUInt | System::NativeUInt | 32-bit platforms | unsigned int |
64-bit platforms | unsigned __int64 | ||
LongInt |
System::Longint |
32-bit platforms 64-bit Windows |
int |
64-bit POSIX Platforms | long | ||
LongWord | 32-bit platforms 64-bit Windows |
unsigned | |
64-bit POSIX Platforms | unsigned long | ||
int | |||
unsigned int | |||
System::Single |
float | ||
System::Double |
double | ||
System::Extended |
long double | ||
System::Currency, System::CurrencyBase |
|||
System::Comp, System::CompBase |
|||
double Note: The mapping assumes {$REALCOMPATIBILITY OFF} | |||
System::ShortString, System::ShortStringBase |
|||
System::OpenString |
char* const | ||
String | System::UnicodeString | ||
WideString | System::WideString | ||
AnsiChar | char | ||
Char | System::WideChar | Windows platforms | wchar_t |
POSIX platforms | char16_t | ||
WideChar | System::WideChar | Windows platforms | wchar_t |
POSIX platforms | char16_t | ||
System::file |
|||
System::TextFile |
|||
System::ByteBool |
unsigned char | ||
System::WordBool |
unsigned short | ||
System::LongBool |
int | ||
not supported in C++ | |||
void* | |||
System::WideChar* |
Windows platforms | wchar_t* | |
POSIX platforms | char16_t* | ||
char* | |||
System::Variant defined in sysvari.h |
|||
System::OleVariant defined in sysvari.h |
Note: 32-bit platforms include 32-bit Windows and Android.
POSIX platforms supported by C++ include iOS, Android, and Linux.
POSIX platforms supported by C++ include iOS, Android, and Linux.