Purpose |
Determine the current status of a given object variable. |
Syntax |
oStatus = ISOBJECT(objectvar) |
Remarks |
ISOBJECT is particularly useful in determining the success or failure of a LET (with Objects) statement. It returns TRUE (-1) if the object variable contains a valid current reference to an object interface, or FALSE (0) if it contains nothing. ISOBJECT is the complement to the ISNOTHING function. |
Restrictions |
objectvar must
be an
|
See also |
DIM, INTERFACE (Direct), INTERFACE (IDBind), ISNOTHING, LET (with Objects), OBJECT, What is an object, anyway? |
Example |
DIM oApp AS IAPPDatabase LET oApp = NEWCOM "DBApp.0" IF ISOBJECT(oApp) AND ISFALSE ERR THEN ' Handle error |