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# CreateUnoServiceWithArguments Function

Instantiates a UNO service with the ProcessServiceManager, including supplemental optional arguments.

### Syntax:

        CreateUnoServiceWithArguments(ServiceName As String, Arguments() As Variant) As Object

UNO services that can be used with CreateUnoServiceWithArguments function are identifiable with method names that follow a createInstanceWith.. or createWith.. naming pattern.

### Return type:

Object

For a list of available services, visit the com::sun::star Module reference page.

### Parameters:

Name | Type | Description
--- | --- | ---
ServiceName | String | The UNO service name to be created.
Arguments | Variant | One to many arguments that specify the instance of the service. Arguments are stored as a one dimensional array, according to their positions in the constructor method definition.

### Example:

The com.sun.star.ui.dialogs.FilePicker example below displays a built-in LibreOffice Save As dialog with two extra controls: a listbox and a checkbox.

        Sub FileSaveAsDialog()
           td = com.sun.star.ui.dialogs.TemplateDescription
           options = td.FILESAVE_AUTOEXTENSION_TEMPLATE
           dlg = CreateUnoServiceWithArguments( _
              "com.sun.star.ui.dialogs.FilePicker", _
              Array(options))
           dlg.execute()
        End Sub ' FileSaveAsDialog

File dialogs - such as Open, Save As, Insert text and the like - are available in two different ways:

- As native file picker dialogs of the window manager of your operating system.

- As built-in LibreOffice file picker dialogs.

Use LibreOffice - Preferences Tools - Options - LibreOffice - General to shift from one to the other.

UNO services have an extensive online documentation in the api.libreoffice.org website. Visit the FilePicker Service reference page to learn more about the methods provided by the service used in the example above.

### Example:

The following code uses the service com.sun.star.security.DocumentDigitalSignatures to sign the current document:

    Sub  SignCurrentDocDialog
       Dim pv(0) as new com.sun.star.beans.PropertyValue
       pv(0).Name  = "StorageFormat"
       pv(0).Value = "ZipFormat"
       mode = com.sun.star.embed.ElementModes
       sf = CreateUnoService("com.sun.star.embed.StorageFactory")
       storage = sf.createInstanceWithArguments(Array(ThisComponent.URL, mode.WRITE, pv))
       dds = CreateUnoServiceWithArguments( _
          "com.sun.star.security.DocumentDigitalSignatures", _
          Array("1.2", True))
       dds.signDocumentContent(storage, Null)
    End Sub ' SignCurrentDocDialog

CreateWithVersion and createWithVersionAndValidSignature constructor methods in com.sun.star.security.DocumentDigitalSignatures UNO service indicate two different ways of instantiating this service with CreateUnoServiceWithArguments function.

Related Topics

CreateUnoService Function

UNO Objects, Functions and Services

Using Calc Functions in Macros

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