diff --git a/lib/delphi/src/Thrift.Protocol.pas b/lib/delphi/src/Thrift.Protocol.pas
index f5cb454..4c02d3f 100644
--- a/lib/delphi/src/Thrift.Protocol.pas
+++ b/lib/delphi/src/Thrift.Protocol.pas
@@ -28,6 +28,7 @@
   Classes,
   SysUtils,
   Contnrs,
+  Math,
   Thrift.Exception,
   Thrift.Stream,
   Thrift.Utils,
@@ -388,6 +389,7 @@
     constructor Create; overload;
     constructor Create( const bytes : TBytes); overload;
     constructor Create( var bytes : TBytes; const aTakeOwnership : Boolean = FALSE); overload;
+    constructor Create( const pData : Pointer; const nCount : Integer); overload;
 
     function ToString : string; override;
   end;
@@ -802,6 +804,13 @@
 end;
 
 
+constructor TThriftBytesImpl.Create( const pData : Pointer; const nCount : Integer);
+begin
+  SetLength(FData, Max(nCount,0));
+  if Length(FData) > 0 then Move( pData^, FData[0], Length(FData));
+end;
+
+
 function TThriftBytesImpl.ToString : string;
 var sb : TThriftStringBuilder;
 begin
diff --git a/lib/delphi/test/serializer/TestSerializer.Tests.pas b/lib/delphi/test/serializer/TestSerializer.Tests.pas
index 6ed1a48..91ced8a 100644
--- a/lib/delphi/test/serializer/TestSerializer.Tests.pas
+++ b/lib/delphi/test/serializer/TestSerializer.Tests.pas
@@ -81,6 +81,7 @@
 
     procedure Test_Serializer_Deserializer;
     procedure Test_COM_Types;
+    procedure Test_ThriftBytesCTORs;
     procedure Test_OneOfEach(     const method : TMethod; const factory : TFactoryPair; const stream : TFileStream);
     procedure Test_CompactStruct( const method : TMethod; const factory : TFactoryPair; const stream : TFileStream);
 
@@ -325,11 +326,28 @@
 end;
 
 
+procedure TTestSerializer.Test_ThriftBytesCTORs;
+var one, two : IThriftBytes;
+    bytes : TBytes;
+    sAscii : AnsiString;
+begin
+  sAscii := 'ABC/xzy';
+  bytes  := TEncoding.ASCII.GetBytes(sAscii);
+
+  one := TThriftBytesImpl.Create( PAnsiChar(sAscii), Length(sAscii));
+  two := TThriftBytesImpl.Create( bytes, TRUE);
+
+  ASSERT( one.Count = two.Count);
+  ASSERT( CompareMem( one.QueryRawDataPtr, two.QueryRawDataPtr, one.Count));
+end;
+
+
 procedure TTestSerializer.RunTests;
 begin
   try
     Test_Serializer_Deserializer;
     Test_COM_Types;
+    Test_ThriftBytesCTORs;
   except
     on e:Exception do begin
       Writeln( e.ClassName+': '+ e.Message);