10.7.6 IsNull
IsNull tests a Boolean variable and returns a true if it contains a *null value.
Input Parameters
None
Example
#Button.enabled := #Boolean.IsNull
Ý 10.7 Boolean Intrinsic Functions
IsNull tests a Boolean variable and returns a true if it contains a *null value.
Input Parameters
None
Example
#Button.enabled := #Boolean.IsNull
Ý 10.7 Boolean Intrinsic Functions