Filter Property
The filter string representing a collection of extensions allowed by the dialog.

Namespace: Autodesk.Revit.UI
Assembly: RevitAPIUI (in RevitAPIUI.dll) Version: 20.0.0.0 (20.0.0.377)
Since:  2017

Syntax

C#
public string Filter { get; set; }
Visual Basic
Public Property Filter As String
	Get
	Set
Visual C++
public:
property String^ Filter {
	String^ get ();
	void set (String^ value);
}

Field Value

The required format for this string is a collection of one or more filter labels (representing the text the user will see in the Files of Type pulldown) plus an associated file matching string separated by the '|' character. Some examples of valid filter strings:
  • "Revit Files (*.rvt)|*.rvt
  • "Revit Projects (*.rvt)|*.rvt|Revit Families (*.rfa)|*.rfa"
  • "All files|*.*"
  • "All Revit files (*.rvt, *.rfa, *.rte, *.rft)|*.rvt;*.rfa;*.rte;*.rft"

Exceptions

ExceptionCondition
Autodesk.Revit.Exceptions..::..ArgumentException When setting this property: The input filter string does not meet the minimal requirements for a valid filter string.
Autodesk.Revit.Exceptions..::..ArgumentNullException When setting this property: A non-optional argument was NULL

See Also

P:Autodesk.Revit.UI.FileDialog.Filter