## NullableBool class

A class for boolean values with possibility to check whether the value was defined or not.

The NullableBool type exposes the following members:
## Constructors
| Name | Description |
| :- | :- |
|NullableBool(value)|Initializes a new instance of the [NullableBool](/tasks/python-net/aspose.tasks/nullablebool/) struct with the specified boolean value.|
|NullableBool(value, is_defined)|Initializes a new instance of the [NullableBool](/tasks/python-net/aspose.tasks/nullablebool/) struct with the specified boolean value.|
|NullableBool()|Initializes a new instance of the [NullableBool](/tasks/python-net/aspose.tasks/nullablebool/) struct with the specified boolean value.|
## Properties
| Name | Description |
| :- | :- |
|value|Gets or sets a value indicating whether current value is true or false.|
|is_defined|Gets a value indicating whether the value was defined; otherwise, false.|
## Methods
| Name | Description |
| :- | :- |
|equals(other)|Returns a flag indicating whether this instance is equal to the specified instance of the [NullableBool](/tasks/python-net/aspose.tasks/nullablebool/) class.|

### See Also

* namespace [aspose.tasks](/tasks/python-net/aspose.tasks/)
* assembly [Aspose.Tasks](/tasks/python-net/)