This a property in the dimension object
See it clearly youself
; IAcadDimOrdinate: AutoCAD Ordinate Dimension 接口 ;特性值: ; AltRoundDistance = 0.0 ; AltSuppressLeadingZeros = 0 ; AltSuppressTrailingZeros = 0 ; AltSuppressZeroFeet = -1 ; AltSuppressZeroInches = -1 ; AltTextPrefix = "" ; AltTextSuffix = "" ; AltTolerancePrecision = 2 ; AltToleranceSuppressLeadingZeros = 0 ; AltToleranceSuppressTrailingZeros = 0 ; AltToleranceSuppressZeroFeet = -1 ; AltToleranceSuppressZeroInches = -1 ; AltUnits = 0 ; AltUnitsFormat = 2 ; AltUnitsPrecision = 2 ; AltUnitsScale = 25.4 ; Application (RO) = #<VLA-OBJECT IAcadApplication 00adc0d8> ; ArrowheadSize = 1.5 ; Color = 256 ; DecimalSeparator = "." ; Document (RO) = #<VLA-OBJECT IAcadDocument 02290404> ; ExtensionLineColor = 256 ; ExtensionLineOffset = 0.25 ; ExtensionLineWeight = -2 ; FractionFormat = 0 ; Handle (RO) = "E0A" ; HasExtensionDictionary (RO) = 0 ; Hyperlinks (RO) = #<VLA-OBJECT IAcadHyperlinks 023b2e6c> ; Layer = "0" ; LinearScaleFactor = 1.0 ; Linetype = "BYLAYER" ; LinetypeScale = 1.0 ; Lineweight = -1 ; Measurement (RO) = 88.3551 ; Normal = (0.0 0.0 1.0) ; ObjectID (RO) = 36489360 ; ObjectName (RO) = "AcDbOrdinateDimension" ; OwnerID (RO) = 36486344 ; PlotStyleName = "ByLayer" ; PrimaryUnitsPrecision = 1 ; Rotation = 0.0 ; RoundDistance = 0.0 ; ScaleFactor = 1.0 ; StyleName = "UNIT1" ; SuppressLeadingZeros = 0 ; SuppressTrailingZeros = 0 ; SuppressZeroFeet = -1 ; SuppressZeroInches = -1 ; TextColor = 256 ; TextGap = 0.1 ; TextHeight = 2.0 ; TextMovement = 0 ; TextOverride = "" ; TextPosition = (139.23 88.3551 0.0) ; TextPrefix = "" ; TextRotation = 0.0 ; TextStyle = "STANDARD" ; TextSuffix = "" ; ToleranceDisplay = 0 ; ToleranceHeightScale = 0.68 ; ToleranceJustification = 1 ; ToleranceLowerLimit = 0.0 ; TolerancePrecision = 1 ; ToleranceSuppressLeadingZeros = 0 ; ToleranceSuppressTrailingZeros = 0 ; ToleranceSuppressZeroFeet = -1 ; ToleranceSuppressZeroInches = -1 ; ToleranceUpperLimit = 0.0 ; UnitsFormat = 2 ; VerticalTextPosition = 0 ; Visible = -1 |