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Explorer-style common file dialog box doesn't display folder names longer than 67 characters

Symptoms

Consider the following scenario:

  • You use the Explorer-style common file dialog box in an application to open or save a document in a folder.
  • You navigate to a folder whose name is longer than 67 characters.

In this scenario, you see that the Look in combo box is blank.

Screenshot of the blank 'Look in' combo box when using common file dialog box to navigate to a folder whose name is longer than 67 characters.

Cause

This problem occurs in applications that use the GetOpenFileName and GetSaveFileName functions to show Explorer-style common file dialog boxes. The GetOpenFileName and GetSaveFileName functions return the correct path when a file is selected, even though the folder name isn't displayed.

Status

Microsoft has confirmed this is a problem in Windows 7, Windows Server 2008, and later versions.

More information

Applications that use IFileDialog to show common file dialog boxes aren't affected.