IAnnotation IDisplayDimension IDimension这三个类的职责 c# solidworks
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基于您提供的 SolidWorks API 文档内容，以下是 IAnnotation、IDisplayDimension 和 IDimension 这三个类的核心职责总结：
1. IAnnotation (注释接口)
核心职责：管理所有类型注释的通用外观、位置和依附关系。
IAnnotation 是 SolidWorks 中所有注释对象（包括尺寸、注释文本、公差框格、焊接符号等）的基类接口。它不关心具体的几何测量值，而是专注于注释在图形界面中的表现和布局。
- 外观控制：管理颜色 (
Color)、图层 (Layer)、可见性 (Visible)、线型/线宽 (Style,Width) 以及引线（Leader）的样式和长度。 - 位置与布局：获取或设置注释的位置 (
GetPosition,SetPosition2)、旋转矩阵 (GetPlane) 以及依附的实体 (GetAttachedEntities3,SetAttachedEntities)。 - 文本格式：处理注释中的文本段落 (
GetParagraphs) 和文本格式 (GetTextFormat,SetTextFormat)。 - 通用操作：提供选择 (
Select3)、拼写检查 (CheckSpelling)、获取所有者 (Owner) 以及判断是否悬空 (IsDangling) 等通用功能。 - 特定类型识别：可以通过
GetType或GetSpecificAnnotation来判断或获取其背后的具体对象（如是否为尺寸、是否为 PMI 数据等）。
2. IDisplayDimension (显示尺寸接口)
核心职责：控制尺寸在工程图或模型视图中的具体显示方式和格式化细节。
IDisplayDimension 继承自 IAnnotation，专门用于处理尺寸的可视化表现。它关注的是“尺寸看起来是什么样”，而不是“尺寸驱动的几何数值是多少”。
- 显示格式化：控制精度 (
GetPrimaryPrecision2)、单位 (GetUnits)、分数/小数显示 (GetFractionBase)、双制式显示 (SetDual2) 以及公差显示的精度。 - 视觉元素定制：管理箭头样式 (
GetArrowHeadStyle2)、引线是否折断 (SetBrokenLeader2)、延伸线（Witness lines）的可见性与样式 (WitnessVisibility,SetLineFontExtensionStyle)、以及文字的对齐方式 (HorizontalJustification,VerticalJustification)。 - 文字覆盖与链接：允许覆盖显示的数值 (
SetOverride,SetOverrideValue)，设置自定义文字 (SetText,SetLowerText)，或将文字链接到特定变量 (SetLinkedText)。 - 特殊尺寸类型处理：处理直径/半径的特殊显示 (
Diametric,ShortenedRadius)、倒角格式 (ChamferTextStyle)、基准尺寸 (Ordinate) 和运行尺寸 (DisplayAsChain) 等特定逻辑。 - 关联底层模型：通过
GetDimension2方法可以获取到底层的IDimension对象，从而连接到实际的几何驱动数据。
3. IDimension (尺寸接口)
核心职责：管理驱动模型几何形状的实际数值、配置状态和公差定义。
IDimension 代表参数化模型中的实际尺寸对象。它是特征的一部分，直接控制模型的几何大小。它通常不直接处理“怎么画出来”，而是处理“数值是多少”以及“在哪些配置中生效”。
- 数值管理：获取或设置尺寸的系统单位数值 (
GetSystemValue3,SetSystemValue3) 或文档单位数值 (GetUserValueIn2,SetUserValueIn3)。这是驱动模型变化的关键。 - 配置控制：决定尺寸是应用于所有配置还是特定配置 (
IsAppliedToAllConfigurations)，并能在不同配置中获取不同的值 (GetValue3)。 - 状态管理：控制尺寸是否为驱动尺寸 (
DrivenState)、是否只读 (ReadOnly)、是否由设计表驱动 (IsDesignTableDimension) 或是否为参考尺寸 (IsReference)。 - 几何定义：管理尺寸的参考点 (
ReferencePoints) 和所属特征 (GetFeatureOwner)。 - 公差数据：虽然旧方法已废弃，但它通过
Tolerance属性关联到IDimensionTolerance对象，用于定义具体的公差数值（最大/最小值），而非仅仅是显示格式。
三者关系总结
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层次结构：
IAnnotation是最顶层的抽象，所有注释（含尺寸）都有它。IDisplayDimension是IAnnotation的特化，专门处理“尺寸”的显示层面。IDimension是独立于显示层面的数据层面，代表模型内部的参数。
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工作流程：
- 当你需要改变模型的大小时，操作
IDimension(设置 Value)。 - 当你需要在工程图中改变尺寸的样子（如改精度、加括号、改箭头）时，操作
IDisplayDimension。 - 当你需要移动尺寸的位置、改变其颜色或图层时，通常通过
IDisplayDimension继承自IAnnotation的方法进行操作。 - 通过
IDisplayDimension.GetDimension2()可以从显示对象找到数据对象；通过IDimension相关的显示逻辑可以找到对应的IDisplayDimension（通常在视图中遍历获得）。
- 当你需要改变模型的大小时，操作
IAnnotation
IAnnotation Interface Members
The following tables list the members exposed by IAnnotation.
Public Properties
Name Description
Property AnnotationView Gets the annotation view for this annotation.
Property BentLeaderLength Gets or sets the length of the bent leader for this annotation.
Property Color Gets or sets the color of this annotation. Annotation color is supported only in SOLIDWORKS drawings.
Property FrameLineStyle Gets or sets the frame's line style for this annotation.
Property FrameThickness Gets or sets the frame's line thickness for this annotation.
Property FrameThicknessCustom Gets or sets the frame's line thickness for this annotation.
Property Layer Gets or sets the layer used by this annotation. Layers are supported only in SOLIDWORKS
drawings.
Property LayerOverride Gets or sets whether the annotation has properties that override the default properties of the layer.
Property LeaderLineStyle Gets or sets the leader's lines style for this annotation.
Property LeaderThickness Gets or sets the leader's line thickness for this annotation.
Property LeaderThicknessCustom Gets or sets the leader's custom line thickness for this annotation.
Property Owner
Gets the owner of this annotation.
NOTE: This property is a get-only property. Set is not implemented.
Property OwnerType
Gets the type of owner of this annotation.
NOTE: This property is a get-only property. Set is not implemented.
Property Style Gets or sets the line style for this annotation.
Property UseDocDispFrame Gets or sets whether to use the document's frame's line style and thickness or a specified line style and thickness for this annotation.
Property UseDocDispLeader Gets or sets whether to use the document's leader's line style and thickness or a specified line style and thickness for this annotation.
Property Visible Gets or sets the visibility state of this annotation.
Property Width Gets or sets the line width enumeration value for this annotation.
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Public Methods
Name Description
Method AddOrUpdateStyle Adds or updates the annotation linked to the specified style.
Method ApplyDefaultStyleAttributes Applies the default style attribute to this annotation.
Method CanShowInAnnotationView Gets whether this annotation can be shown in the specified annotation view.
Method CanShowInMultipleAnnotationViews Gets whether this annotation can be shown in multiple annotation views.
Method CheckSpelling Spell checks the text in this annotation.
Method ConvertToMultiJog Converts a note with a leader to a note with a multi-jog leader.
Method DeleteStyle Deletes the specified style.
Method DeSelect Deselects this annotation.
Method GetArrowHeadCount Gets the number of arrowheads on this symbol.
Method GetArrowHeadSizeAtIndex Gets the arrow head size of the specified leader on this annotation.
Method GetArrowHeadStyleAtIndex Gets the arrow head style of a specific leader on this annotation.
Method GetAttachedEntities Obsolete. Superseded by IAnnotation::GetAttachedEntities2.
Method GetAttachedEntities2 Obsolete. Superseded by IAnnotation::GetAttachedEntities3.
Method GetAttachedEntities3 Gets the entities to which this annotation is attached.
Method GetAttachedEntityCount2 Obsolete. Superseded by IAnnotation::GetAtatchedEntityCount3.
Method GetAttachedEntityCount3 Gets the number of entities to which this annotation is attached.
Method GetAttachedEntityTypes Gets the types of entities attached to this annotation.
Method GetBentLeader Obsolete. Superseded by IAnnotation::GetLeaderStyle.
Method GetDashedLeader Gets whether this leader is a dashed line or a solid line.
Method GetDimXpertFeature Gets the DimXpert feature associated with this annotation.
Method GetDimXpertName Gets the DimXpert name for this annotation.
Method GetDisplayData Gets the display data for this annotation.
Method GetFlipPlaneTransform Gets the transformation matrix of the annotation plane in the opposite direction.
Method GetLeader Obsolete. Superseded by IAnnotation::GetLeaderStyle.
Method GetLeaderAllAround Gets the setting for all-around symbol display of this annotation.
Method GetLeaderCount Gets the number of leaders on this annotation.
Method GetLeaderPerpendicular Gets the perpendicular bent leader display setting for this annotation.
Method GetLeaderPointsAtIndex Gets coordinate information about a specified leader on this annotation.
Method GetLeaderSide Gets the leader attachment side setting for this annotation.
Method GetLeaderStyle Gets the style of this leader.
Method GetMultiJogLeaderCount Gets the number of multi-jog leaders on this annotation.
Method GetMultiJogLeaders Gets the multi-jog leaders on this annotation.
Method GetName Gets the name of this annotation.
Method GetNext Obsolete. Superseded by IAnnotation::GetNext3.
Method GetNext2 Obsolete. Superseded by IAnnotation::GetNext3.
Method GetNext3 Gets the next annotation.
Method GetParagraphs Gets the paragraphs in this note annotation.
Method GetPlane Gets the rotation matrix of the annotation relative to the X-Y plane of the model.
Method GetPMIData Gets the Product and Manufacturing Information (PMI) feature data object for this STEP 242 annotation.
Method GetPMIType Gets the type of Product and Manufacturing Information (PMI) associated with this STEP 242 annotation.
Method GetPosition Gets the position of this annotation.
Method GetSmartArrowHeadStyle Gets the setting for smart arrowhead style for this annotation.
Method GetSpecificAnnotation Gets the specific underlying object associated with this annotation.
Method GetStyleName Gets the name of the style applied to this annotation.
Method GetTextFormat Gets the text format for the specified text in this annotation.
Method GetTextFormatCount Gets the number of text formats for this annotation.
Method GetType Gets the type of the annotation.
Method GetUseDocTextFormat Gets whether SOLIDWORKS is currently using the document default text format setting for this annotation.
Method GetVisualProperties Gets the visual properties of this annotation.
Method IGetAttachedEntities Obsolete. Superseded by IAnnotation::GetAttachedEntities2.
Method IGetAttachedEntityCount Obsolete. Superseded by IAnnotation::GetAttachedEntityCount2.
Method IGetAttachedEntityTypes Gets the types of all entities attached to this annotation.
Method IGetDisplayData Gets the display data for the annotation.
Method IGetLeaderPointsAtIndex Gets coordinate information about a specified leader on this annotation.
Method IGetMultiJogLeaders Gets the multi-jog leaders on this annotation.
Method IGetNext Obsolete. Superseded by IAnnotation::GetNext3.
Method IGetNext2 Obsolete. Superseded by IAnnotation::GetNext3.
Method IGetPosition Gets the position of this annotation.
Method IGetSpecificAnnotation Gets the specific underlying object associated with this annotation.
Method IGetTextFormat Gets the text format for the specified text in this annotation.
Method IGetVisualProperties Gets the visual properties of this annotation.
Method IsDangling Gets whether this annotation is dangling.
Method IsDimXpert Gets whether the annotation is a DimXpert annotation.
Method ISetAttachedEntities Attaches this annotation to the specified entities.
Method ISetTextFormat Sets the text format information for the specified text within this annotation.
Method LoadStyle Loads the specified style.
Method SaveStyle Saves the specified style.
Method Select Obsolete. Superseded by IAnnotation::Select3.
Method Select2 Obsolete. Superseded by IAnnotation::Select3.
Method Select3 Selects this annotation and marks it.
Method SelectByMark Obsolete. Superseded by IAnnotation::Select3.
Method SetArrowHeadSizeAtIndex Sets the size of the arrow head of the specified leader on this annotation.
Method SetArrowHeadStyleAtIndex Sets the arrow head style of a specific leader on this annotation.
Method SetAttachedEntities Attaches this annotation to the specified entities.
Method SetLeader Obsolete. Superseded by IAnnotation::SetLeader3.
Method SetLeader2 Obsolete. Superseded by IAnnotation::SetLeader3.
Method SetLeader3 Sets the leader characteristics for this annotation.
Method SetLeaderAttachmentPointAtIndex Sets the specified attachment point of a leader for an annotation with the specified index.
Method SetName Sets the name of this annotation.
Method SetPosition Obsolete. Superseded by IAnnotation::SetPosition2.
Method SetPosition2 Sets the position of this annotation.
Method SetStyleName Sets the style for this annotation.
Method SetTextFormat Sets the text format for the specified text in this annotation. IDisplayDimension
IDisplayDimension Interface Members
The following tables list the members exposed by IDisplayDimension.
Public Properties
Name Description
Property ArcExtensionLineOrOppositeSide Gets or sets whether to attach or extend the radial dimension leader on this radial display dimension.
Property ArrowSide Gets or sets the position of the dimension arrows.
Property CenterText Gets or sets whether the text of this display dimension should be automatically centered.
Property ChamferPrecision Gets or sets the precision of the length and angle values in a chamfer display dimension.
Property ChamferTextStyle Gets or sets the text style for chamfer dimensions.
Property Diametric Gets or sets whether this display dimension is radial/single distance or diameter/doubled distance.
Property DimensionToInside Gets or sets whether dimensions to arcs are always to the inside of the arc.
Property DisplayAsChain Gets or sets whether the extension lines of every dimension in this set of angular running or ordinate dimensions are chained together.
Property DisplayAsLinear Gets or sets whether this diameter dimension is displayed as a linear dimension.
Property Elevation Gets or sets whether to display an elevation symbol, which is controlled by IDisplayDimension::EndSymbol, at the end of ordinate dimension extension lines.
Property EndSymbol Gets or sets the ordinate dimension end symbol.
Property ExtensionLineExtendsFromCenterOfSet Gets or sets whether extension lines extend from the center of this set of angular running dimensions.
Property ExtensionLineSameAsLeaderStyle Gets or sets whether to use leader line styles for extension line styles.
Property ExtensionLineUseDocumentDisplay Gets or sets whether to use the document settings for extension lines.
Property Foreshortened Gets or sets whether a linear dimension is foreshortened in a drawing.
Property GridBubble Gets or sets whether to display a grid bubble at the end of ordinate dimension extension lines.
Property HorizontalJustification Gets or sets the dimension text's horizontal justification.
Property Inspection Gets or sets whether a display dimension above the dimension line is displayed as an inspection dimension.
Property IsLinked Gets whether the dimension has text linked to it.
Property Jogged Gets or sets whether this ordinate or angular running dimension is jogged.
Property LeaderVisibility Gets or sets which leader lines (dimension lines) are visible on a display dimension.
Property LowerInspection Gets or sets whether a display dimension below the dimension line is displayed as an inspection dimension.
Property MarkedForDrawing Gets or sets whether this display dimension is marked to include in a drawing document.
Property MaxWitnessLineLength Gets or sets the maximum length of dimension extension lines.
Property OffsetText Gets or sets whether or not to offset the text of a dimension.
Property RunBidirectionally Gets or sets whether each dimension runs in a direction closest to the baseline in this angular running dimension.
Property Scale2 Gets or sets the scale value that is applied to the dimension value of this non-associative distance dimension.
Property ShortenedRadius Gets or sets whether to display this radius display dimension with a foreshortened radius.
Property ShowDimensionValue Gets or sets whether the dimension value is displayed as part of the dimension text.
Property ShowLowerParenthesis Gets or sets whether to enclose the text below the dimension line of the display dimension in parentheses.
Property ShowParenthesis Gets or sets whether to enclose the text above the dimension line of the display dimension in parentheses.
Property ShowTolParenthesis Obsolete. Superseded by IDisplayDimension::ShowParenthesis.
Property SmartWitness Gets or sets the smart display of extension lines.
Property SolidLeader Gets or sets whether this display dimension is displayed with a solid leader for arc and radial dimensions.
Property Split Gets or sets whether to split a dual dimension above and below an unbroken dimension line (also called a leader).
Property Type2 Gets the type of dimension.
Property VerticalJustification Gets the dimension text's vertical justification.
Property WitnessVisibility Gets or sets which extension lines are visible.
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Public Methods
Name Description
Method AddDisplayEnt Overrides the display graphics of objects.
Method AddDisplayText Overrides the display text.
Method AutoJogOrdinate Sets the auto-jog for this ordinate dimension.
Method ExplementaryAngle Flips an angular dimension to its explementary angle.
Method GetAlternatePrecision Obsolete. Superseded by IDisplayDimension::GetAlternatePrecision2.
Method GetAlternatePrecision2 Gets the displayed precision for the dual portion of this dimension.
Method GetAlternateTolPrecision Obsolete. Superseded by IDisplayDimension::GetAlternateTolPrecision.
Method GetAlternateTolPrecision2 Gets the displayed precision for the dual tolerance portion of this dimension.
Method GetAnnotation Gets the IAnnotation object for this specific annotation.
Method GetArcLengthLeader Gets the leader style of this arc length dimension.
Method GetArrowHeadStyle Obsolete. Superseded by IDisplayDimension::GetArrowHeadStyle2.
Method GetArrowHeadStyle2 Gets the arrowhead style used by this display dimension.
Method GetAutoArcLengthLeader Gets whether the leader style of this arc-length dimension is being automatically selected or selected by the user.
Method GetBentLeaderLength Gets the length of the bent leader to use when displaying this dimension.
Method GetBrokenLeader2 Gets whether this display dimension has a broken or split leader.
Method GetChamferUnits Gets the local units of measurement for a chamfer display dimension.
Method GetDefinitionTransform Gets the transform for this dimension.
Method GetDimension Obsolete. Superseded by IDisplayDimension::GetDimension2.
Method GetDimension2 Gets the model dimension used to create this display dimension.
Method GetDisplayData Gets the display data for this display dimension.
Method GetExtensionLineAsCenterline Gets whether the specified extension line is a centerline.
Method GetFractionBase Gets whether this display dimension is displayed as a decimal value or a fraction.
Method GetFractionValue Gets the largest fraction denominator to be used when this display dimension is displayed in fraction format.
Method GetHoleCalloutVariables Gets access to hole callout variables in a hole callout.
Method GetJogParameters Gets the jog in a linear dimension extension line.
Method GetLinkedText Gets the text linked to this display dimension.
Method GetLowerText Gets the text below the dimension line in a display dimension.
Method GetNameForSelection Gets the name of the selected display dimension needed by IModelDocExtension::SelectByID2.
Method GetNext Obsolete. Superseded by IDisplayDimension::GetNext5.
Method GetNext2 Obsolete. Superseded by IDisplayDimension::GetNext5.
Method GetNext3 Obsolete. Superseded by IDisplayDimension::GetNext5.
Method GetNext4 Obsolete. Superseded by IDisplayDimension::GetNext5.
Method GetNext5 Gets the next display dimension.
Method GetOrdinateDimensionArrowSize Gets the diameter of the circle for the arrow of the base ordinate dimension.
Method GetOverride Gets whether to display the actual dimension value or to override it with another value.
Method GetOverrideValue Gets the value to display instead of the actual dimension value.
Method GetPrimaryPrecision Obsolete. Superseded by IDisplayDimension::GetPrimaryPrecision2.
Method GetPrimaryPrecision2 Gets the primary dimension precision setting for this display dimension.
Method GetPrimaryTolPrecision Obsolete. Superseded by IDisplayDimension::GetPrimaryTolPrecision2.
Method GetPrimaryTolPrecision2 Gets the primary tolerance precision setting for this display dimension.
Method GetRoundToFraction Gets whether the displayed dimension value is rounded off so that SOLIDWORKS can display it as a fraction.
Method GetSecondArrow Gets whether this diameter display dimension has the second arrow enabled.
Method GetSupportsGenericText Gets whether the display dimension was created in SOLIDWORKS 2011 or later, which, if so, indicates that the display dimension is generic text.
Method GetText Gets the text above the dimension line in a display dimension.
Method GetTextFormat Obsolete. Superseded by IAnnotation::GetTextFormat.
Method GetTextFormatItems Gets the format tokens of the specified text portion of a multi-value display dimension.
Method GetType Obsolete. Superseded by IDisplayDimension::Type2.
Method GetUnits Gets the units used by this display dimension.
Method GetUseDocArrowHeadStyle Gets whether this display dimension uses the document default setting for dimension arrowhead style.
Method GetUseDocBentLeaderLength Gets whether this dimension is using the document default for bent leader length or not.
Method GetUseDocBrokenLeader Gets whether this display dimension uses the document default setting for displaying leaders as broken.
Method GetUseDocDual Gets whether this display dimension uses the document setting for positioning dual dimensions.
Method GetUseDocPrecision Obsolete. Not superseded.
Method GetUseDocSecondArrow Gets whether this diameter display dimension uses the document default setting for the display of the second outside arrow.
Method GetUseDocTextFormat Obsolete. Superseded by IAnnotation::GetUseDocTextFormat.
Method GetUseDocUnits Gets whether this display dimension uses the document default setting for units.
Method GetWitnessLineGap Gets the gap of the specified dimension extension line.
Method IAddDisplayEnt Overrides the display graphics of objects for this display dimension.
Method IAddDisplayText Overrides the display text for this display dimension.
Method IGetAnnotation Gets the IAnnotation object for this specific annotation.
Method IGetDimension Obsolete. Superseded by IDisplayDimension::GetDimension2.
Method IGetDisplayData Gets the display data for this display dimension.
Method IGetNext Obsolete. Superseded by IDisplayDimension::GetNext5.
Method IGetNext2 Obsolete. Superseded by IDisplayDimension::GetNext5.
Method IGetNext3 Obsolete. Superseded by IDisplayDimension::GetNext5.
Method IGetTextFormat Obsolete. Superseded by IAnnotation::IGetTextFormat.
Method IsDimXpert Obsolete. Superseded by IAnnotation::IsDimXpert.
Method ISetTextFormat Obsolete. Superseded by IAnnotation::ISetTextFormat.
Method IsHoleCallout Gets whether this display dimension is a hole callout.
Method IsReferenceDim Gets whether this display dimension is a reference dimension.
Method ResetExtensionLineStyle Resets the style of the specified extension line.
Method SetArcLengthLeader Sets the leader style of this arc-length dimension.
Method SetArrowHeadStyle Obsolete. Superseded by IDisplayDimension::SetArrowHeadStyle2.
Method SetArrowHeadStyle2 Sets the arrowhead style of this display dimension.
Method SetBentLeaderLength Sets the bent leader length to use for this dimension.
Method SetBrokenLeader2 Sets the broken leader display characteristic of this display dimension.
Method SetDual Obsolete. Superseded by IDisplayDimension::SetDual2.
Method SetDual2 Controls the display of dual dimensions of this display dimension.
Method SetExtensionLineAsCenterline Sets whether the specified extension line is a centerline.
Method SetJogParameters Set the linear dimension extension line to be jogged.
Method SetLineFontDimensionStyle Sets the style of leader for this display dimension.
Method SetLineFontDimensionThickness Sets the thickness of leaders of this display dimension.
Method SetLineFontExtensionStyle Sets the line font style for the extension lines of this display dimension.
Method SetLineFontExtensionThickness Sets the thickness of the extension lines of this display dimension.
Method SetLinkedText Sets the text to link to this display dimension.
Method SetLowerText Sets the text below the dimension line in a display dimension.
Method SetOrdinateDimensionArrowSize Sets the diameter of the circle for the arrow of the base ordinate dimension if the base ordinate dimension standard is set to DIN.
Method SetOverride Sets whether to display the actual dimension value or to display another value, and, if so, that value.
Method SetPrecision Obsolete. Superseded by IDisplayDimension::SetPrecision2.
Method SetPrecision2 Obsolete. Superseded by IDisplayDimension::SetPrecision3.
Method SetPrecision3 Sets the number of digits to display after the decimal point for precision and tolerance values in this display dimension.
Method SetSecondArrow Sets the second arrow characteristics of this diameter display dimension.
Method SetText Sets the text above the dimension line in a display dimension.
Method SetTextFormat Obsolete. Superseded by IAnnotation::ISetTextFormat.
Method SetUnits Obsolete. Superseded by IDisplayDimension::SetUnits2.
Method SetUnits2 Sets the unit display characteristics of this display dimension.
Method SetWitnessLineGap Sets the gap for the specified dimension extension line.
Method SupplementaryAngle Changes the angle in the selected angular dimension to its supplementary angle.
Method Unlink Unlinks a previously linked display dimension.
Method VerticallyOppositeAngle Flips an angular dimension to its vertically opposite angle.
IDimension
IDimension Interface Members
The following tables list the members exposed by IDimension.
Public Properties
Name Description
Property DimensionLineDirection Gets or sets the direction of this dimension line.
Property DrivenState Gets or sets the driven state of a dimension.
Property ExtensionLineDirection Gets or sets the direction of the extension line.
Property FullName Gets the full name of a dimension including the feature and the model.
Property Name Gets or sets the name of a dimension.
Property ReadOnly Gets or sets the read-only state of a dimension.
Property ReferencePoints Gets or sets the reference points for this dimension.
Property SystemValue Obsolete. Superseded by IDimension::GetSystemValue3, IDimension::IGetSystemValue3, IDimension::SetSystemValue3, and IDimension::ISetSystemValue3.
Property Tolerance Gets the IDimensionTolerance object.
Property Value Obsolete. Superseded by IDimension::GetValue3, IDimension::IGetValue3, IDimension::ISetValue3, and IDimension::SetValue3.
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Public Methods
Name Description
Method GetArcEndCondition Gets the end conditions for linear dimensions that end on an arc.
Method GetFeatureOwner Gets the feature for this dimension.
Method GetNameForSelection Gets the name of the selected dimension needed by IModelDocExtension::SelectByID2.
Method GetReferencePointsCount Gets the number of reference points for this dimension.
Method GetSystemChamferValues Gets the chamfer dimension values in system units.
Method GetSystemValue2 Obsolete. See IDimension::GetSystemValue3 and IDimension::IGetSystemValue3.
Method GetSystemValue3 Gets the value of the current dimension in system units in the named configuration.
Method GetToleranceFitValues Obsolete. Superseded by IDimensionTolerance::GetHoleFitValue and IDimensionTolerance::GetShaftFitValue.
Method GetToleranceFontInfo Obsolete. Superseded by IDimensionTolerance::GetFontUseDimension, IDimensionTolerance::GetFontUseScale, IDimensionTolerance::GetFontScale, and IDimensionTolerance::GetFontHeight.
Method GetToleranceType Obsolete. Superseded by IDimensionTolerance::Type.
Method GetToleranceValues Obsolete. Superseded by IDimensionTolerance::GetMaxValue and IDimensionTolerance::GetMinValue.
Method GetType Gets the type of dimension.
Method GetUserValueIn Gets the value of this dimension in the units of the specified document.
Method GetValue2 Obsolete. Superseded by IDimension::GetValue3 and IDimension::IGetValue3.
Method GetValue3 Gets the values of the dimensions in the specified configurations.
Method IGetReferencePoints Gets the reference points for this dimension.
Method IGetSystemValue3 Gets the value of the current dimension in system units in the named configuration.
Method IGetToleranceFontInfo Obsolete. Superseded by IDimensionTolerance::GetFontUseDimension, IDimensionTolerance::GetFontUseScale, IDimensionTolerance::GetFontScale, and IDimensionTolerance::GetFontHeight.
Method IGetToleranceValues Obsolete. Superseded by IDimensionTolerance::GetMaxValue and IDimensionTolerance::GetMinValue.
Method IGetUserValueIn Obsolete. Superseded by IDimension::IGetUserValueIn2.
Method IGetUserValueIn2 Gets the value of this dimension in the units of the specified document.
Method IGetValue3 Gets the values of the dimensions in the specified configurations.
Method IsAppliedToAllConfigurations Gets whether a dimension is currently applied to all configurations of the model or to just the current configuration.
Method IsDesignTableDimension Gets whether this dimension is driven by a design table.
Method ISetReferencePoints Sets the reference points for this dimension.
Method ISetSystemValue3 Sets the value of this dimension in system units (meters) in the specified configuration.
Method ISetUserValueIn Obsolete. Superseded by IDimension::ISetUserValueIn3.
Method ISetUserValueIn2 Obsolete. Superseded by IDimension::ISetUserValueIn3.
Method ISetUserValueIn3 Sets the value of this dimension in the units of the specified document.
Method ISetValue3 Sets the values of the dimensions in the specified configurations.
Method IsReference Gets whether the dimension is a reference dimension.
Method SetArcEndCondition Sets the end conditions for linear dimensions that end on an arc.
Method SetSystemValue2 Obsolete. Superseded by IDimension::SetSystemValue3.
Method SetSystemValue3 Sets the value of this dimension in system units (meters) in the specified configuration.
Method SetToleranceFitValues Obsolete. Superseded by IDimensionTolerance::SetFitValues.
Method SetToleranceFontInfo Obsolete. Superseded by IDimensionTolerance::SetFont.
Method SetToleranceType Obsolete. Superseded by IDimensionTolerance::Type.
Method SetToleranceValues Obsolete. Superseded by IDimensionTolerance::SetValues.
Method SetUserValueIn Obsolete. Superseded by IDimension::SetUserValueIn2.
Method SetUserValueIn2 Sets the value of this dimension in the units of the specified document.
Method SetValue2 Obsolete. Superseded by IDimension::SetValue3.
Method SetValue3 Sets the values of the dimensions in the specified configurations. 
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