SetToNull
Description
Sets the data contained in the IPB_Value instance to null so the
data can be reset.
Syntax
|
1 |
SetToNull( ) |
Return value
PBXRESULT. If the value is a read-only argument, the error
PBX_E_READONLY_ARGS is returned.
Examples
This example shows the use of SetToNull when a null blob value is
returned:
|
1 2 3 4 5 6 7 8 |
case pbvalue_blob: pStr=(LPCTSTR)Session-> GetBlob(retVal.blob_val); if (strncmp(pStr, "null", 4)==0 ) ci->returnValue->SetToNull(); else ci->returnValue->SetBlob(retVal.blob_val); break; ... |
See also
Document get from Powerbuilder help
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