'Declaration
 
Function OpenFileAsync( _
   Optional ByVal selectedFormat As NDocumentFormatBase, _
   Optional ByVal availableFormats() As NDocumentFormatBase, _
   Optional ByVal reportErrors As System.Boolean, _
   Optional ByVal askToSaveChanges As System.Boolean _
) As NPromise(Of Boolean)

'Usage
 
Dim instance As INDocumentView
Dim selectedFormat As NDocumentFormatBase
Dim availableFormats() As NDocumentFormatBase
Dim reportErrors As System.Boolean
Dim askToSaveChanges As System.Boolean
Dim value As NPromise(Of Boolean)
 
value = instance.OpenFileAsync(selectedFormat, availableFormats, reportErrors, askToSaveChanges)

NPromise<bool> OpenFileAsync( 
   NDocumentFormatBase selectedFormat,
   NDocumentFormatBase[] availableFormats,
   System.bool reportErrors,
   System.bool askToSaveChanges
)

Parameters

selectedFormat

availableFormats

reportErrors

askToSaveChanges

Target Platforms: Windows 11, Windows 10, Windows 7, Windows Server 2019, Windows Server 2016, Windows Server 2012 R2, Windows Server 2012, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later)

Reference

INDocumentView Interface
INDocumentView Members