Sets the FormatOptions to optionally override the default settings in the Units class. 
   Namespace:   Autodesk.Revit.DB  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 16.0.0.0 (16.0.0.0) 
  Since:  2014 
Syntax
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Parameters
- formatOptions
 -  Type:  Autodesk.Revit.DB FormatOptions  
The FormatOptions. 
Remarks
 See the UnitType property to determine the unit type of this field. 
 Examples
// format length units to display in feet and inches format
public void FormatLengthFields(ViewSchedule schedule)
{
    int nFields = schedule.Definition.GetFieldCount();
    for (int n = 0; n < nFields; n++)
    {
        ScheduleField field = schedule.Definition.GetField(n);
        if (field.UnitType == UnitType.UT_Length)
        {
            FormatOptions formatOpts = new FormatOptions();
            formatOpts.UseDefault = false;
            formatOpts.DisplayUnits = DisplayUnitType.DUT_FEET_FRACTIONAL_INCHES;
            field.SetFormatOptions(formatOpts);
        }
    }
} ' format length units to display in feet and inches format
Public Sub FormatLengthFields(schedule As ViewSchedule)
    Dim nFields As Integer = schedule.Definition.GetFieldCount()
    For n As Integer = 0 To nFields - 1
        Dim field As ScheduleField = schedule.Definition.GetField(n)
        If field.UnitType = UnitType.UT_Length Then
            Dim formatOpts As New FormatOptions()
            formatOpts.UseDefault = False
            formatOpts.DisplayUnits = DisplayUnitType.DUT_FEET_FRACTIONAL_INCHES
            field.SetFormatOptions(formatOpts)
        End If
    Next
End Sub Exceptions
| Exception | Condition | 
|---|---|
| Autodesk.Revit.Exceptions ArgumentException | The display unit in formatOptions is not a valid display unit for the unit type of this ScheduleField, or the rounding method in formatOptions is not set to Nearest. See UnitUtils.IsValidDisplayUnit(UnitType, DisplayUnitType), UnitUtils.GetValidDisplayUnits(UnitType) and FormatOptions.RoundingMethod. | 
| Autodesk.Revit.Exceptions ArgumentNullException | A non-optional argument was NULL |