XL97: How to Use the GetOpenFilename Method

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SUMMARY

This article provide instructions and examples on using the GetOpenFilename method in a Visual Basic for Applications macro.

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Microsoft provides programming examples for illustration only, without warranty either expressed or implied, including, but not limited to, the implied warranties of merchantability and/or fitness for a particular purpose. This article assumes that you are familiar with the programming language being demonstrated and the tools used to create and debug procedures. Microsoft support professionals can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific needs.
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For more information about the support options that are available and about how to contact Microsoft, visit the following Microsoft Web site:http://support.microsoft.com/default.aspx?scid=fh;EN-US;CNTACTMS The GetOpenFilename method in Visual Basic for Applications allows you to display the Open dialog in Microsoft Excel and get a file name from a user without actually opening any files. Normally the file name is returned to a variable and used later in the macro. This method has five arguments, all of which are optional:
FileFilter
FilterIndex
Title
ButtonText
MultiSelect
Providing no arguments to the function allows the Open dialog to be displayed using the All Files (*.*) file filter and uses the default dialog box title. Here is an overview of each of the five arguments:

FileFilter

This argument has two parts. The first part is the text that will appear in the List Files of Type dropdown box of the Open dialog. The second part of the argument determines what files are actually shown. The following example will show all text files in the current directory:

   X = Application.GetOpenFilename("Text Files (*.txt), *.txt")
				


You may also use multiple wildcard expressions to filter on two separate wildcard expressions. This example filters on all files ending in TXT and BAS:
   X = Application.GetOpenFilename _
				
("Visual Basic Files (*.txt; *.bas), *.txt, *.bas")

When using the FileFilter argument, the value you specify is the only one that appears on the List Files of Type: dropdown box. You can list other items in the dropdown list as well. This example lists two types of files in the dropdown box with the first one being the default selection:
   X = Application.GetOpenFilename _
				
("Text Files (*.txt), *.txt, Add-in Files (*.xla), *.xla")

FilterIndex

This optional argument specifies which file filter to use by default. If no filter index is specified, or the filter index is greater than the number of filters specified, the first filter is used. This example uses two file filters but selects the second one (*.xla file) by default:
   X = Application.GetOpenFilename _
				
("Text Files (*.txt), *.txt, Add-in Files (*.xla), *.xla", 2)

Title

The title specifies the text that will appear at the top of the displayed dialog box. The text Open My Files will appear on the dialog using this example:
   X = Application.GetOpenFilename _
				
("Text Files (*.txt), *.txt", 1, "Open My Files")

ButtonText

This argument is used only on Macintosh computers and may be ignored, although you must still allocate space for it in your arguments. This argument specifies whether the user may select more than one file from the open box. It can be set to True or False. If True, the variable must be defined as a variant data type, as the return value will always be an array, even if only one file is selected. This example will incorporate all of the arguments above and loop through all selected files and open them:
   Sub Open_Files

       'Defines the variable as a variant data type
       Dim X as variant

       'Opens the dialog
       X = Application.GetOpenFilename _
           ("Text Files (*.txt), *.txt, Add-in Files (*.xla), *.xla", 2, _
           "Open My Files", ,True)

       'Loops through every file that is selected and opens each one
       For Y = 1 to Ubound(X)
           Workbooks.Open X(Y)
       Next

   End Sub
				
One problem you may encounter is that the macro produces a Type mismatch error if the user clicks the cancel button from the dialog box. The value of the variable will be set to False. Standard error-trapping techniques can be used to trap this problem:
Sub Open_Files

       'Defines the variable as a variant data type
       Dim X as variant

       'Continues to run the macro even if an error occurs
       On Error Resume Next

       'Opens the dialog
       X = Application.GetOpenFilename _
           ("Text Files (*.txt), *.txt, Add-in Files (*.xla), *.xla", 2, _
           "Open My Files", ,True)

       'Tests the variable X to see if it is valid
       If X = False then GoTo Cancel

       'Loops through every file that is selected and opens each one
       For Y = 1 to Ubound(X)
           Workbooks.Open X(Y)
       Next

       Exit Sub

       'If X was equal to false, displays a message and exits the macro
   Cancel:
       Msgbox "The Cancel button was selected."

   End Sub
				
For more information on using the GetOpenFilename method, query on the following article(s) in the Microsoft Knowledge Base:
153722 XL: GetOpenFilename Method Is Different in MS Excel for Win 95

141574 XL: How to Create Macro That Opens Multiple Selected Files

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Article ID: 161930 - Last Review: November 23, 2006 - Revision: 2.4
APPLIES TO
  • Microsoft Excel 97 Standard Edition
Keywords: 
KB161930
Retired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.

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