For internal use. Returns a value indicating whether the async operation is currently executing. Important note: this method checks only Generate, Export, ValidateParameters and ExecuteCustomAction actions. For example, this method can be used in OnLongOperation() to determine whether the operation is async or not.

'宣言
 
Public Function IsAsyncOperationActive() As System.Boolean

'使用法
 
Dim instance As C1DocumentSource
Dim value As System.Boolean
 
value = instance.IsAsyncOperationActive()

public System.bool IsAsyncOperationActive()