TAsyncWriteStream

pt 

DoRealWrite

pt 

WritingFailed

pt 

WantWrite

pt 

CanWrite

Create

Destroy

StopAndFree

TWriteBuffer

pt 

Seek

pt 

Write

pt 

DoRealWrite

pt 

WritingFailed

pt 

WantWrite

pt 

BufferEmpty

Create

Destroy

WriteLine

Run