/*★ 算術 Data の最小値と最大値     前田 稔 ★*/
using namespace System;

int main()
{
    String^ format = "{0, -8}:{1}～{2}";
    String^ dot = "----------------";
    Int16   mn16 = 0, mx16 = -1;
    Int32   mn32 = 0, mx32 = -1;
    Int64   mn64 = 0, mx64 = -1;
    Console::WriteLine(format, "SByte",SByte::MinValue, SByte::MaxValue);
    Console::WriteLine(format, "Byte",Byte::MinValue, Byte::MaxValue);
    Console::WriteLine(format, "Char",Char::MinValue, Char::MaxValue);
    Console::WriteLine(dot);
    Console::WriteLine(format, "Int16", Int16::MinValue, Int16::MaxValue);
    Console::WriteLine(format, "UInt16", (UInt16)mn16, (UInt16)mx16);
    Console::WriteLine(format, "Int32", Int32::MinValue, Int32::MaxValue);
    Console::WriteLine(format, "UInt32", (UInt32)mn32, (UInt32)mx32);
    Console::WriteLine(format, "Int64", Int64::MinValue, Int64::MaxValue);
    Console::WriteLine(format, "UInt64", (UInt64)mn64, (UInt64)mx64);
    Console::WriteLine(dot);
    Console::WriteLine(format, "Single", Single::MinValue, Single::MaxValue);
    Console::WriteLine(format, "Double", Double::MinValue, Double::MaxValue);
    Console::WriteLine(dot);
    //Console::ReadLine();
    return 0;
}

---------------------------------------------------------------------

C# での実行結果です。
C++/CLI でプログラムを実行して、結果を確かめて下さい。

C:\DATA\Cpp\Maneged>DataType
SByte   :-128～127
Byte    :0～255
Char    : ～?
----------------
Int16   :-32768～32767
UInt16  :0～65535
Int32   :-2147483648～2147483647
UInt32  :0～4294967295
Int64   :-9223372036854775808～9223372036854775807
UInt64  :0～18446744073709551615
----------------
Single  :-3.402823E+38～3.402823E+38
Double  :-1.79769313486232E+308～1.79769313486232E+308
----------------

C:\DATA\Cpp\Maneged>