Presentations.Open Method

Office 2010

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)

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.

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.

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