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RawToBytes

BytesToRaw

String> TBytes/TByteDynArray

Text.BytesOf()

BytesOf

WideBytesOf()

bytes=System::Sysutils::BytesOf(Caption);
bytes=System::Sysutils::WideBytesOf(Caption);

TBytes/TByteDynArray > String

Caption = System::Sysutils::StringOf(barr);
Caption = System::Sysutils::WideStringOf(barr);

String > <Utf8Bytes

 TBytes bytes;
 bytes = TEncoding::UTF8->GetBytes(Memo1->Text);

 Memo1->Text = TEncoding::UTF8->GetString(bytes);

TBytes/TByteDynArray > Byte *

TBytes bytes;

Byte * bb = &bytes[0];

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原文：http://www.cnblogs.com/cb168/p/4302982.html