ISCLEAR Function (Automation)

Checks whether an Automation object has been created or cleared.

Syntax

  
Ok := ISCLEAR(Automation)  

Parameters

Automation
Type: Automation

A variable that has previously been declared.

Property Value/Return Value

Type: Boolean

true if any of the following is true; otherwise, false:

• The Automation variable has not been created. See CREATE Function (Automation).

• The Automation variable has been cleared. See CLEAR Function.

• The Automation variable has been assigned NULL by an Automation server.

Remarks

This function is not supported in the Microsoft Dynamics NAV Web client.

Example

The following example shows how you can use the ISCLEAR function. This example requires that you create the following variables.

ReturnValue := ISCLEAR(Document);  
// ReturnValue will be TRUE.  
CREATE(Document);  
ReturnValue := ISCLEAR(Document);  
// ReturnValue will be FALSE.  
CLEAR(Document);  
ReturnValue := ISCLEAR(Document);  
// ReturnValue will be TRUE.  

See Also

Automation Data Type