IsEmpty
InstallShield 2022 ยป InstallScript Language Reference
The IsEmpty function checks whether a variable of type VARIANT has been initialized.
To check whether a variable of type OBJECT has been assigned a reference to a valid object, call IsObject.
Syntax
IsEmpty ( vVariant );
Parameters
|
Parameter |
Description |
|
vVariant |
Specifies the variable to be checked. |
Return Values
|
Return Value |
Description |
|
TRUE (1) |
vVariant has been initialized. |
|
FALSE (0) |
vVariant has not been initialized. |
See Also