<Queue variable>.Dequeue (Function) Removes an element from the queue. <Queue variable>.Enqueue (Function) Adds an element to the queue. <Queue variable>.Info (Function) Retrieves the characteristics of a queue: types of elements and number of elements. <Stack variable>.Info (Function) Retrieves the characteristics of a stack: types of elements and number of elements. <Stack variable>.Pop (Function) Pops an element from a stack. <Stack variable>.Push (Function) Pushes an element onto the stack. Dequeue (Function) Removes an element from the queue. Enqueue (Function) Adds an element to the queue. List (Variable type) A List variable is a structured type that is used to group a set of elements of the same type. This variable type is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 4. ListInfo (Function) Gets the type and number of elements in a WLanguage list. Note: This feature is only available in subscription-based versions, starting with WINDEV Suite 2025 - Update 4. Pop (Function) Pops an element from a stack. Push (Function) Pushes an element onto the stack. Queue, stack and list functions List of Queue, Stack and List functions Queue, Stack and List functions (prefix syntax) List of Queue, Stack and List functions Queue (Variable type) A Queue variable is a structured type that groups a set of elements of the same type. QueueInfo (Function) Retrieves the characteristics of a queue: types of elements and number of elements. Stack (Variable type) A Stack variable is a structured type that is used to group a set of elements of the same type. StackInfo (Function) Retrieves the characteristics of a stack: types of elements and number of elements.