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Namespace: Autodesk.Revit.UI Class: FileDialog

FileDialog.Filter

Property
Description:
The filter string representing a collection of extensions allowed by the dialog.
Syntax
public string Filter { get; set; }
Exceptions
Exception Condition
ArgumentException When setting this property: The input filter string does not meet the minimal requirements for a valid filter string.
ArgumentNullException When setting this property: A non-optional argument was null