## CustomDocumentProperties::Add(const System::String\&, bool) method


Creates a new custom document property of the [Boolean](../../propertytype/) data type.

```cpp
System::SharedPtr<Aspose::Words::Properties::DocumentProperty> Aspose::Words::Properties::CustomDocumentProperties::Add(const System::String &name, bool value)
```


| Parameter | Type | Description |
| --- | --- | --- |
| name | const System::String\& | The name of the property. |
| value | bool | The value of the property. |

### ReturnValue

The newly created property object.

## Examples



Shows how to work with a document's custom properties. 
```cpp
auto doc = System::MakeObject<Aspose::Words::Document>();
System::SharedPtr<Aspose::Words::Properties::CustomDocumentProperties> properties = doc->get_CustomDocumentProperties();

ASSERT_EQ(0, properties->get_Count());

// Custom document properties are key-value pairs that we can add to the document.
properties->Add(u"Authorized", true);
properties->Add(u"Authorized By", System::String(u"John Doe"));
properties->Add(u"Authorized Date", System::DateTime::get_Today());
properties->Add(u"Authorized Revision", doc->get_BuiltInDocumentProperties()->get_RevisionNumber());
properties->Add(u"Authorized Amount", 123.45);

// The collection sorts the custom properties in alphabetic order.
ASSERT_EQ(1, properties->IndexOf(u"Authorized Amount"));
ASSERT_EQ(5, properties->get_Count());

// Print every custom property in the document.
{
    System::SharedPtr<System::Collections::Generic::IEnumerator<System::SharedPtr<Aspose::Words::Properties::DocumentProperty>>> enumerator = properties->GetEnumerator();
    while (enumerator->MoveNext())
    {
        std::cout << System::String::Format(u"Name: \"{0}\"\n\tType: \"{1}\"\n\tValue: \"{2}\"", enumerator->get_Current()->get_Name(), enumerator->get_Current()->get_Type(), enumerator->get_Current()->get_Value()) << std::endl;
    }
}

// Display the value of a custom property using a DOCPROPERTY field.
auto builder = System::MakeObject<Aspose::Words::DocumentBuilder>(doc);
auto field = System::ExplicitCast<Aspose::Words::Fields::FieldDocProperty>(builder->InsertField(u" DOCPROPERTY \"Authorized By\""));
field->Update();

ASSERT_EQ(u"John Doe", field->get_Result());

// We can find these custom properties in Microsoft Word via "File" -> "Properties" > "Advanced Properties" > "Custom".
doc->Save(get_ArtifactsDir() + u"DocumentProperties.DocumentPropertyCollection.docx");

// Below are three ways or removing custom properties from a document.
// 1 -  Remove by index:
properties->RemoveAt(1);

ASSERT_FALSE(properties->Contains(u"Authorized Amount"));
ASSERT_EQ(4, properties->get_Count());

// 2 -  Remove by name:
properties->Remove(u"Authorized Revision");

ASSERT_FALSE(properties->Contains(u"Authorized Revision"));
ASSERT_EQ(3, properties->get_Count());

// 3 -  Empty the entire collection at once:
properties->Clear();

ASSERT_EQ(0, properties->get_Count());
```

## See Also

* Class [DocumentProperty](../../documentproperty/)
* Class [CustomDocumentProperties](../)
* Namespace [Aspose::Words::Properties](../../)
* Library [Aspose.Words for C++](../../../)
## CustomDocumentProperties::Add(const System::String\&, const System::String\&) method


Creates a new custom document property of the [String](../../propertytype/) data type.

```cpp
System::SharedPtr<Aspose::Words::Properties::DocumentProperty> Aspose::Words::Properties::CustomDocumentProperties::Add(const System::String &name, const System::String &value)
```


| Parameter | Type | Description |
| --- | --- | --- |
| name | const System::String\& | The name of the property. |
| value | const System::String\& | The value of the property. |

### ReturnValue

The newly created property object.

## Examples



Shows how to work with a document's custom properties. 
```cpp
auto doc = System::MakeObject<Aspose::Words::Document>();
System::SharedPtr<Aspose::Words::Properties::CustomDocumentProperties> properties = doc->get_CustomDocumentProperties();

ASSERT_EQ(0, properties->get_Count());

// Custom document properties are key-value pairs that we can add to the document.
properties->Add(u"Authorized", true);
properties->Add(u"Authorized By", System::String(u"John Doe"));
properties->Add(u"Authorized Date", System::DateTime::get_Today());
properties->Add(u"Authorized Revision", doc->get_BuiltInDocumentProperties()->get_RevisionNumber());
properties->Add(u"Authorized Amount", 123.45);

// The collection sorts the custom properties in alphabetic order.
ASSERT_EQ(1, properties->IndexOf(u"Authorized Amount"));
ASSERT_EQ(5, properties->get_Count());

// Print every custom property in the document.
{
    System::SharedPtr<System::Collections::Generic::IEnumerator<System::SharedPtr<Aspose::Words::Properties::DocumentProperty>>> enumerator = properties->GetEnumerator();
    while (enumerator->MoveNext())
    {
        std::cout << System::String::Format(u"Name: \"{0}\"\n\tType: \"{1}\"\n\tValue: \"{2}\"", enumerator->get_Current()->get_Name(), enumerator->get_Current()->get_Type(), enumerator->get_Current()->get_Value()) << std::endl;
    }
}

// Display the value of a custom property using a DOCPROPERTY field.
auto builder = System::MakeObject<Aspose::Words::DocumentBuilder>(doc);
auto field = System::ExplicitCast<Aspose::Words::Fields::FieldDocProperty>(builder->InsertField(u" DOCPROPERTY \"Authorized By\""));
field->Update();

ASSERT_EQ(u"John Doe", field->get_Result());

// We can find these custom properties in Microsoft Word via "File" -> "Properties" > "Advanced Properties" > "Custom".
doc->Save(get_ArtifactsDir() + u"DocumentProperties.DocumentPropertyCollection.docx");

// Below are three ways or removing custom properties from a document.
// 1 -  Remove by index:
properties->RemoveAt(1);

ASSERT_FALSE(properties->Contains(u"Authorized Amount"));
ASSERT_EQ(4, properties->get_Count());

// 2 -  Remove by name:
properties->Remove(u"Authorized Revision");

ASSERT_FALSE(properties->Contains(u"Authorized Revision"));
ASSERT_EQ(3, properties->get_Count());

// 3 -  Empty the entire collection at once:
properties->Clear();

ASSERT_EQ(0, properties->get_Count());
```

## See Also

* Class [DocumentProperty](../../documentproperty/)
* Class [CustomDocumentProperties](../)
* Namespace [Aspose::Words::Properties](../../)
* Library [Aspose.Words for C++](../../../)
## CustomDocumentProperties::Add(const System::String\&, double) method


Creates a new custom document property of the [Double](../../propertytype/) data type.

```cpp
System::SharedPtr<Aspose::Words::Properties::DocumentProperty> Aspose::Words::Properties::CustomDocumentProperties::Add(const System::String &name, double value)
```


| Parameter | Type | Description |
| --- | --- | --- |
| name | const System::String\& | The name of the property. |
| value | double | The value of the property. |

### ReturnValue

The newly created property object.

## Examples



Shows how to work with a document's custom properties. 
```cpp
auto doc = System::MakeObject<Aspose::Words::Document>();
System::SharedPtr<Aspose::Words::Properties::CustomDocumentProperties> properties = doc->get_CustomDocumentProperties();

ASSERT_EQ(0, properties->get_Count());

// Custom document properties are key-value pairs that we can add to the document.
properties->Add(u"Authorized", true);
properties->Add(u"Authorized By", System::String(u"John Doe"));
properties->Add(u"Authorized Date", System::DateTime::get_Today());
properties->Add(u"Authorized Revision", doc->get_BuiltInDocumentProperties()->get_RevisionNumber());
properties->Add(u"Authorized Amount", 123.45);

// The collection sorts the custom properties in alphabetic order.
ASSERT_EQ(1, properties->IndexOf(u"Authorized Amount"));
ASSERT_EQ(5, properties->get_Count());

// Print every custom property in the document.
{
    System::SharedPtr<System::Collections::Generic::IEnumerator<System::SharedPtr<Aspose::Words::Properties::DocumentProperty>>> enumerator = properties->GetEnumerator();
    while (enumerator->MoveNext())
    {
        std::cout << System::String::Format(u"Name: \"{0}\"\n\tType: \"{1}\"\n\tValue: \"{2}\"", enumerator->get_Current()->get_Name(), enumerator->get_Current()->get_Type(), enumerator->get_Current()->get_Value()) << std::endl;
    }
}

// Display the value of a custom property using a DOCPROPERTY field.
auto builder = System::MakeObject<Aspose::Words::DocumentBuilder>(doc);
auto field = System::ExplicitCast<Aspose::Words::Fields::FieldDocProperty>(builder->InsertField(u" DOCPROPERTY \"Authorized By\""));
field->Update();

ASSERT_EQ(u"John Doe", field->get_Result());

// We can find these custom properties in Microsoft Word via "File" -> "Properties" > "Advanced Properties" > "Custom".
doc->Save(get_ArtifactsDir() + u"DocumentProperties.DocumentPropertyCollection.docx");

// Below are three ways or removing custom properties from a document.
// 1 -  Remove by index:
properties->RemoveAt(1);

ASSERT_FALSE(properties->Contains(u"Authorized Amount"));
ASSERT_EQ(4, properties->get_Count());

// 2 -  Remove by name:
properties->Remove(u"Authorized Revision");

ASSERT_FALSE(properties->Contains(u"Authorized Revision"));
ASSERT_EQ(3, properties->get_Count());

// 3 -  Empty the entire collection at once:
properties->Clear();

ASSERT_EQ(0, properties->get_Count());
```

## See Also

* Class [DocumentProperty](../../documentproperty/)
* Class [CustomDocumentProperties](../)
* Namespace [Aspose::Words::Properties](../../)
* Library [Aspose.Words for C++](../../../)
## CustomDocumentProperties::Add(const System::String\&, int32_t) method


Creates a new custom document property of the [Number](../../propertytype/) data type.

```cpp
System::SharedPtr<Aspose::Words::Properties::DocumentProperty> Aspose::Words::Properties::CustomDocumentProperties::Add(const System::String &name, int32_t value)
```


| Parameter | Type | Description |
| --- | --- | --- |
| name | const System::String\& | The name of the property. |
| value | int32_t | The value of the property. |

### ReturnValue

The newly created property object.

## Examples



Shows how to work with a document's custom properties. 
```cpp
auto doc = System::MakeObject<Aspose::Words::Document>();
System::SharedPtr<Aspose::Words::Properties::CustomDocumentProperties> properties = doc->get_CustomDocumentProperties();

ASSERT_EQ(0, properties->get_Count());

// Custom document properties are key-value pairs that we can add to the document.
properties->Add(u"Authorized", true);
properties->Add(u"Authorized By", System::String(u"John Doe"));
properties->Add(u"Authorized Date", System::DateTime::get_Today());
properties->Add(u"Authorized Revision", doc->get_BuiltInDocumentProperties()->get_RevisionNumber());
properties->Add(u"Authorized Amount", 123.45);

// The collection sorts the custom properties in alphabetic order.
ASSERT_EQ(1, properties->IndexOf(u"Authorized Amount"));
ASSERT_EQ(5, properties->get_Count());

// Print every custom property in the document.
{
    System::SharedPtr<System::Collections::Generic::IEnumerator<System::SharedPtr<Aspose::Words::Properties::DocumentProperty>>> enumerator = properties->GetEnumerator();
    while (enumerator->MoveNext())
    {
        std::cout << System::String::Format(u"Name: \"{0}\"\n\tType: \"{1}\"\n\tValue: \"{2}\"", enumerator->get_Current()->get_Name(), enumerator->get_Current()->get_Type(), enumerator->get_Current()->get_Value()) << std::endl;
    }
}

// Display the value of a custom property using a DOCPROPERTY field.
auto builder = System::MakeObject<Aspose::Words::DocumentBuilder>(doc);
auto field = System::ExplicitCast<Aspose::Words::Fields::FieldDocProperty>(builder->InsertField(u" DOCPROPERTY \"Authorized By\""));
field->Update();

ASSERT_EQ(u"John Doe", field->get_Result());

// We can find these custom properties in Microsoft Word via "File" -> "Properties" > "Advanced Properties" > "Custom".
doc->Save(get_ArtifactsDir() + u"DocumentProperties.DocumentPropertyCollection.docx");

// Below are three ways or removing custom properties from a document.
// 1 -  Remove by index:
properties->RemoveAt(1);

ASSERT_FALSE(properties->Contains(u"Authorized Amount"));
ASSERT_EQ(4, properties->get_Count());

// 2 -  Remove by name:
properties->Remove(u"Authorized Revision");

ASSERT_FALSE(properties->Contains(u"Authorized Revision"));
ASSERT_EQ(3, properties->get_Count());

// 3 -  Empty the entire collection at once:
properties->Clear();

ASSERT_EQ(0, properties->get_Count());
```

## See Also

* Class [DocumentProperty](../../documentproperty/)
* Class [CustomDocumentProperties](../)
* Namespace [Aspose::Words::Properties](../../)
* Library [Aspose.Words for C++](../../../)
## CustomDocumentProperties::Add(const System::String\&, System::DateTime) method


Creates a new custom document property of the [DateTime](../../propertytype/) data type.

```cpp
System::SharedPtr<Aspose::Words::Properties::DocumentProperty> Aspose::Words::Properties::CustomDocumentProperties::Add(const System::String &name, System::DateTime value)
```


| Parameter | Type | Description |
| --- | --- | --- |
| name | const System::String\& | The name of the property. |
| value | System::DateTime | The value of the property. |

### ReturnValue

The newly created property object.

## Examples



Shows how to create a custom document property which contains a date and time. 
```cpp
auto doc = System::MakeObject<Aspose::Words::Document>();

doc->get_CustomDocumentProperties()->Add(u"AuthorizationDate", System::DateTime::get_Now());
System::DateTime authorizationDate = doc->get_CustomDocumentProperties()->idx_get(u"AuthorizationDate")->ToDateTime();
std::cout << System::String::Format(u"Document authorized on {0}", authorizationDate) << std::endl;
```


Shows how to work with a document's custom properties. 
```cpp
auto doc = System::MakeObject<Aspose::Words::Document>();
System::SharedPtr<Aspose::Words::Properties::CustomDocumentProperties> properties = doc->get_CustomDocumentProperties();

ASSERT_EQ(0, properties->get_Count());

// Custom document properties are key-value pairs that we can add to the document.
properties->Add(u"Authorized", true);
properties->Add(u"Authorized By", System::String(u"John Doe"));
properties->Add(u"Authorized Date", System::DateTime::get_Today());
properties->Add(u"Authorized Revision", doc->get_BuiltInDocumentProperties()->get_RevisionNumber());
properties->Add(u"Authorized Amount", 123.45);

// The collection sorts the custom properties in alphabetic order.
ASSERT_EQ(1, properties->IndexOf(u"Authorized Amount"));
ASSERT_EQ(5, properties->get_Count());

// Print every custom property in the document.
{
    System::SharedPtr<System::Collections::Generic::IEnumerator<System::SharedPtr<Aspose::Words::Properties::DocumentProperty>>> enumerator = properties->GetEnumerator();
    while (enumerator->MoveNext())
    {
        std::cout << System::String::Format(u"Name: \"{0}\"\n\tType: \"{1}\"\n\tValue: \"{2}\"", enumerator->get_Current()->get_Name(), enumerator->get_Current()->get_Type(), enumerator->get_Current()->get_Value()) << std::endl;
    }
}

// Display the value of a custom property using a DOCPROPERTY field.
auto builder = System::MakeObject<Aspose::Words::DocumentBuilder>(doc);
auto field = System::ExplicitCast<Aspose::Words::Fields::FieldDocProperty>(builder->InsertField(u" DOCPROPERTY \"Authorized By\""));
field->Update();

ASSERT_EQ(u"John Doe", field->get_Result());

// We can find these custom properties in Microsoft Word via "File" -> "Properties" > "Advanced Properties" > "Custom".
doc->Save(get_ArtifactsDir() + u"DocumentProperties.DocumentPropertyCollection.docx");

// Below are three ways or removing custom properties from a document.
// 1 -  Remove by index:
properties->RemoveAt(1);

ASSERT_FALSE(properties->Contains(u"Authorized Amount"));
ASSERT_EQ(4, properties->get_Count());

// 2 -  Remove by name:
properties->Remove(u"Authorized Revision");

ASSERT_FALSE(properties->Contains(u"Authorized Revision"));
ASSERT_EQ(3, properties->get_Count());

// 3 -  Empty the entire collection at once:
properties->Clear();

ASSERT_EQ(0, properties->get_Count());
```

## See Also

* Class [DocumentProperty](../../documentproperty/)
* Class [CustomDocumentProperties](../)
* Namespace [Aspose::Words::Properties](../../)
* Library [Aspose.Words for C++](../../../)