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OCSaveToBlob(p_AreaVar;p_Blob;p_Compact)
Saves an Ole
object in a blob process or interprocess variable. This method is the pair of OCCreateFromBlob.
This method is
useful to implement persistence and serialization of the ole
objects.
Parameters
| Parameter |
Type |
|
Description |
| p_AreaVar |
Longint |
-> |
Variable of the plug-in area.
|
| p_Blob |
Blob |
-> |
Blob where the Ole object is saved
|
| p_Compact |
Longint |
-> |
Indicates that the method should compress
redundant data of the Ole object before save.
Values for this
parameters are 0 for no compression, 1 for compression.
|
Return Values
0 – The method call was
successful.
If the method call was not
successful the return value is non zero. For more information
call OCLastError.
Remarks
When the object data is
compacted the container creates a temporary object. For large
data there might not be enough memory to create the temporary
object.
Example
C_BLOB(G)
CREATE RECORD([SavedBlobs])
[SavedBlobs]Application:=vAppName
[SavedBlobs]Code:=vCodice
$i:=OCSaveToBlob (Area1;G;0) ` Area1 is the plug-in area
[SavedBlobs]Value:=G
SAVE RECORD([SavedBlobs])
See Also
OCCreaFromFile,
OCCreaFromProgId,
OCCreaFromCLSID,
OCCreaFromBlob,
OCDestroyObject,
OCActivate
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