A platform-specific type for unsigned pointers, handles and integers. Note: its "Ptr" postfix is misleading, UIntPtr can be used to represent any native unsigned integer including pointers. One usage of UIntPtr is to represent the platform-specific size_t type. e.g. //#include <cstring> //void *memcpy( void *to, const void *from, size_t count ); [DllImport("msvcrt.dll", EntryPoint = "memcpy", CallingConvention = CallingConvention.Cdecl, SetLastError = false)] public static extern IntPtr MemCopy(byte[] dest, byte[] src, UIntPtr count); //Console Prints: 0 0 1 public static void CopyPrint() { byte[] dest = new byte[] { 1, 1, 1 }; byte[] src = new byte[] { 0, 0, 0 }; UIntPtr count = new UIntPtr(2u); MemCopy(dest, src, count); for (int i = 0; i < dest.Length; i++) { Console.Write(dest[i] + " "); } }
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