Presentations.Open Method

Opens the specified presentation. Returns a Presentation object that represents the opened presentation.

Namespace:  Microsoft.Office.Interop.PowerPoint
Assembly:  Microsoft.Office.Interop.PowerPoint (in Microsoft.Office.Interop.PowerPoint.dll)

Syntax

'Declaration
Function Open ( _
    FileName As String, _
    ReadOnly As MsoTriState, _
    Untitled As MsoTriState, _
    WithWindow As MsoTriState _
) As Presentation
'Usage
Dim instance As Presentations
Dim FileName As String
Dim ReadOnly As MsoTriState
Dim Untitled As MsoTriState
Dim WithWindow As MsoTriState
Dim returnValue As Presentation

returnValue = instance.Open(FileName, _
    ReadOnly, Untitled, WithWindow)

Presentation Open(
    string FileName,
    MsoTriState ReadOnly,
    MsoTriState Untitled,
    MsoTriState WithWindow
)

Parameters

• FileName
  Type: System.String
  The name of the file to open.

• ReadOnly
  Type: Microsoft.Office.Core.MsoTriState
  Specifies whether the file is opened with read/write or read-only status.

• Untitled
  Type: Microsoft.Office.Core.MsoTriState
  Specifies whether the file has a title.

• WithWindow
  Type: Microsoft.Office.Core.MsoTriState
  Specifies whether the file is visible.

Return Value

Type: Microsoft.Office.Interop.PowerPoint.Presentation

Remarks

With the proper file converters installed, Microsoft Office PowerPoint 2003 and earlier versions open files with the following MS-DOS filename extensions: .ch3, .cht, .doc, .htm, .html, .mcw, .pot, .ppa, .pps, .ppt, .pre, .rtf, .sh3, .shw, .txt, .wk1, .wk3, .wk4, .wpd, .wpf, .wps, and .xls. Microsoft PowerPoint 2010 also opens files with the following filename extensions: .docm, .docx, .mhtml, .potm, .potx, .ppam, .pptm, .pptx, .ppsm, .ppsx, .thmx, .xlsm, and .xlsx.

The ReadOnly parameter value can be one of these MsoTriState constants.

Constant	Description
msoFalse	The default. Opens the file with read/write status.
msoTrue	Opens the file with read-only status.

The Untitled parameter value can be one of these MsoTriState constants.

Constant	Description
msoFalse	The default. The file name automatically becomes the title of the opened presentation.
msoTrue	Opens the file without a title. This is equivalent to creating a copy of the file.

The WithWindow parameter value can be one of these MsoTriState constants.

Constant	Description
msoFalse	Hides the opened presentation.
msoTrue	The default. Opens the file in a visible window.

See Also

Reference

Presentations Interface

Presentations Members

Microsoft.Office.Interop.PowerPoint Namespace