MyDAC

TBlob Members

TBlob class overview.

Properties

Name Description

AsString

Used to manipulate BLOB value as string.

AsWideString

Used to manipulate BLOB value as Unicode string.

IsUnicode

Gives choice of making TBlob store and process data in Unicode format or not.

RefCount (inherited from TSharedObject)

Used to return the count of reference to a TSharedObject object.

Size

Used to learn the size of the TBlob value in bytes.

Methods

Name Description

AddRef (inherited from TSharedObject)

Increments the reference count for the number of references dependent on the TSharedObject object.

Assign

Sets BLOB value from another TBlob object.

Clear

Deletes the current value in TBlob object.

LoadFromFile

Loads the contents of a file into a TBlob object.

LoadFromStream

Copies the contents of a stream into the TBlob object.

Read

Acquires a raw sequence of bytes from the data stored in TBlob.

Release (inherited from TSharedObject)

Decrements the reference count.

SaveToFile

Saves the contents of the TBlob object to a file.

SaveToStream

Copies the contents of a TBlob object to a stream.

Truncate

Sets new TBlob size and discards all data over it.

Write

Stores a raw sequence of bytes into a TBlob object.
© 1997-2017 Devart. All Rights Reserved. Request Support DAC Forum Provide Feedback