ListItem.isValid Property

Parent Object: ListItem
Defined in namespace "adsk::core" and the header file is <Core/UserInterface/ListItem.h>

Description

Indicates if this object is still valid, i.e. hasn't been deleted or some other action done to invalidate the reference.

Syntax

"listItem_var" is a variable referencing a ListItem object.

# Get the value of the property.
propertyValue = listItem_var.isValid
"listItem_var" is a variable referencing a ListItem object.
#include <Core/UserInterface/ListItem.h>

// Get the value of the property.
boolean propertyValue = listItem_var->isValid();

Property Value

This is a read only property whose value is a boolean.

Version

Introduced in version January 2015