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# Class Line

The purpose of a line annotation (PDF 1.3) is to display a single straight line on the page. When opened, it shall display a pop-up window containing the text of the associated note.

##### Inheritance

object
Annot
Markup
Line
PolyLine

##### Implements

IDisposable

##### Inherited Members

Markup.GetTitle()
Markup.SetTitle(string)
Markup.GetPopup()
Markup.SetPopup(Popup)
Markup.GetOpacity()
Markup.SetOpacity(double)
Markup.GetSubject()
Markup.SetSubject(string)
Markup.GetCreationDates()
Markup.SetCreationDates(Date)
Markup.GetBorderEffect()
Markup.SetBorderEffect(Markup.BorderEffect)
Markup.GetBorderEffectIntensity()
Markup.SetBorderEffectIntensity(double)
Markup.GetInteriorColor()
Markup.GetInteriorColorCompNum()
Markup.SetInteriorColor(ColorPt, int)
Markup.GetContentRect()
Markup.SetContentRect(Rect)
Markup.GetPadding()
Markup.SetPadding(Rect)
Markup.RotateAppearance(double)
Annot.Dispose()
Annot.Dispose(bool)
Annot.GetHandleInternal()
Annot.GetRefHandleInternal()
Annot.CreateInternal(IntPtr, object)
Annot.Create(SDFDoc, Annot.Type, Rect)
Annot.op_Assign(Annot)
Annot.Equals(object)
Annot.IsValid()
Annot.GetSDFObj()
Annot.GetType()
Annot.IsMarkup()
Annot.GetRect()
Annot.GetVisibleContentBox()
Annot.SetRect(Rect)
Annot.GetContents()
Annot.SetContents(string)
Annot.GetPage()
Annot.SetPage(Page)
Annot.GetUniqueID()
Annot.SetUniqueID(string)
Annot.GetDate()
Annot.SetDate(Date)
Annot.GetFlag(Annot.Flag)
Annot.SetFlag(Annot.Flag, bool)
Annot.GetBorderStyle()
Annot.SetBorderStyle(Annot.BorderStyle)
Annot.GetAppearance()
Annot.GetAppearance(Annot.AnnotationState)
Annot.GetAppearance(Annot.AnnotationState, string)
Annot.SetAppearance(Obj)
Annot.SetAppearance(Obj, Annot.AnnotationState)
Annot.SetAppearance(Obj, Annot.AnnotationState, string)
Annot.RemoveAppearance()
Annot.RemoveAppearance(Annot.AnnotationState)
Annot.RemoveAppearance(Annot.AnnotationState, string)
Annot.Flatten(Page)
Annot.GetActiveAppearanceState()
Annot.SetActiveAppearanceState(string)
Annot.GetColorAsRGB()
Annot.GetColorAsCMYK()
Annot.GetColorAsGray()
Annot.GetColorCompNum()
Annot.SetColor(ColorPt, int)
Annot.SetColor(ColorPt)
Annot.GetStructParent()
Annot.SetStructParent(int)
Annot.GetOptionalContent()
Annot.SetOptionalContent(Obj)
Annot.Resize(Rect)
Annot.GetRotation()
Annot.SetRotation(int)
Annot.RefreshAppearance()
Annot.GetCustomData(string)
Annot.SetCustomData(string, string)
Annot.DeleteCustomData(string)
object.Equals(object, object)
object.GetHashCode()
object.MemberwiseClone()
object.ReferenceEquals(object, object)
object.ToString()

###### Namespace: pdftron.PDF.Annots

###### Assembly: PDFTronDotNet.dll

##### Syntax

    public class Line : Markup, IDisposable

### Constructors

#### Line(Annot)

Creates an Line annotation and initialize it using given Cos/SDF object.

##### Declaration

    public Line(Annot ann)

##### Parameters

Type | Name | Description
--- | --- | ---
Annot | ann | the d

##### Remarks

The constructor does not copy any data, but is instead the logical equivalent of a type cast.

#### Line(Obj)

Creates an Line annotation and initialize it using given Cos/SDF object.

##### Declaration

    public Line(Obj d)

##### Parameters

Type | Name | Description
--- | --- | ---
Obj | d | the d

##### Remarks

The constructor does not copy any data, but is instead the logical equivalent of a type cast.

### Methods

#### Create(SDFDoc, Rect)

Creates a new Line annotation, in the specified document.

##### Declaration

    public static Line Create(SDFDoc doc, Rect pos)

##### Parameters

Type | Name | Description
--- | --- | ---
SDFDoc | doc | A document to which the annotation is added.
Rect | pos | A rectangle specifying the annotation's bounds, specified in user space coordinates.

##### Returns

Type | Description
--- | ---
Line | A newly created blank Line annotation.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### ~Line()

Releases all resources used by the Line

##### Declaration

    protected ~Line()

#### GetCaptionPosition()

Gets the caption position of a line.

##### Declaration

    public Line.CapPos GetCaptionPosition()

##### Returns

Type | Description
--- | ---
Line.CapPos | A cap position value from the "CapPos" enum.

##### Remarks

Caption position describs the annotation’s caption positioning. Valid values are e_Inline, meaning the caption shall be centered inside the line, and e_Top, meaning the caption shall be on top of the line. Default value: Inline

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetEndPoint()

Gets the coordinates of the end of a line.

##### Declaration

    public Point GetEndPoint()

##### Returns

Type | Description
--- | ---
Point | A Point struct, whose x entry specifies the x coordinate of the end of the line and the y entry specifies the y coordinate of the end of the line.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetEndStyle()

Gets the ending syle of the end of a line.

##### Declaration

    public Line.EndingStyle GetEndStyle()

##### Returns

Type | Description
--- | ---
Line.EndingStyle | A enum value from the "EndingStyle" enum, whose value corrsponding to the ending style of the start point.

##### Remarks

Default value: e_None.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetIntentType()

Gets the intent type of the line.

##### Declaration

    public Line.IntentType GetIntentType()

##### Returns

Type | Description
--- | ---
Line.IntentType | An intent type value from the "IntentType" enum.

##### Remarks

Intent type describes the intent of the line annotation. Valid values shall be "e_LineArrow", which means that the annotation is intended to function as an arrow, and "e_LineDimension", which means that the annotation is intended to function as a dimension line.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetLeaderLineExtensionLength()

Gets the leader line extension length of a line.

##### Declaration

    public double GetLeaderLineExtensionLength()

##### Returns

Type | Description
--- | ---
double | A number denoting the length of the leader line extension in px.

##### Remarks

Usually if this entry is specified, the line is intended to be a dimension line(see "IT" entry). The leader line extension length is a non-negative number that shall represents the length of leader line extensions that extend from the line proper 180 degrees from the leader lines. Default value: 0 (no leader line extensions)

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetLeaderLineLength()

Gets the leader line length of a line. *

##### Declaration

    public double GetLeaderLineLength()

##### Returns

Type | Description
--- | ---
double | A number denoting the length of the leader line in px.

##### Remarks

usually if this entry is specified, the line is intended to be a dimension line(see "IT" entry). Leader length is length of leader lines in default user space that extend from each endpoint of the line perpendicular to the line itself. A positive value shall mean that the leader lines appear in the direction that is clockwise when traversing the line from its starting point to its ending point (as specified by L); a negative value shall indicate the opposite direction. Default value: 0 (no leader lines)

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetLeaderLineOffset()

Gets the leader line offset length of a line.

##### Declaration

    public double GetLeaderLineOffset()

##### Returns

Type | Description
--- | ---
double | A number denoting the length of the leader line offset in px.

##### Remarks

usually if this entry is specified, the line is intended to be a dimension line(see "IT" entry). Leader line offset number is a non-negative number that shall represent the length of the leader line offset, which is the amount of empty space between the endpoints of the annotation and the beginning of the leader lines.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetShowCaption()

Gets the option of whether to show caption.

##### Declaration

    public bool GetShowCaption()

##### Returns

Type | Description
--- | ---
bool | A boolean value indicating whether the caption will be shown.

##### Remarks

If true, the text specified by the Contents or RCentries shall be replicated as a caption in the appearance of the line. The text shall be rendered in a manner appropriate to the content, taking into account factors such as writing direction. Default value: false.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetStartPoint()

Gets the coordinates of the start of a line.

##### Declaration

    public Point GetStartPoint()

##### Returns

Type | Description
--- | ---
Point | A Point struct, whose x entry specifies the x coordinate of the start of the line and the y entry specifies the y coordinate of the start of the line.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetStartStyle()

Gets the ending syle of the start of a line.

##### Declaration

    public Line.EndingStyle GetStartStyle()

##### Returns

Type | Description
--- | ---
Line.EndingStyle | A enum value from the "EndingStyle" enum, whose value corrsponding to the ending style of the start point.

##### Remarks

Default value: e_None.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetTextHOffset()

Gets the horizontal offset of the caption.

##### Declaration

    public double GetTextHOffset()

##### Returns

Type | Description
--- | ---
double | A number denoting the horizontal offset of caption in px.

##### Remarks

The horizontal offset specifies the offset of the caption text from its normal position. Specifially the horizontal offset along the annotation line from its midpoint, with a positive value indicating offset to the right and a negative value indicating offset to the left. Default value: 0 (no offset from normal horizontal positioning)

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### GetTextVOffset()

Gets the vertical offset of the caption.

##### Declaration

    public double GetTextVOffset()

##### Returns

Type | Description
--- | ---
double | A number denoting the vertical offset of caption in px.

##### Remarks

The vertical offset specifies the offset of the caption text from its normal position. Specifially the vertical offset perpendicular to the annotation line, with a positive value indicating a shift up and a negative value indicating a shift down. Default value: 0(no offset from normal vertical positioning).

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetCaptionPosition(CapPos)

Sets the caption position of a line. (PDF 1.7)

##### Declaration

    public void SetCaptionPosition(Line.CapPos style)

##### Parameters

Type | Name | Description
--- | --- | ---
Line.CapPos | style | A cap position value from the "CapPos" enum.

##### Remarks

Caption position describs the annotation’s caption positioning. Valid values are e_Inline, meaning the caption shall be centered inside the line, and e_Top, meaning the caption shall be on top of the line. Default value: Inline.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetEndPoint(Point)

Sets the coordinates of the end of a line.

##### Declaration

    public void SetEndPoint(Point ep)

##### Parameters

Type | Name | Description
--- | --- | ---
Point | ep | A Point struct whose x entry is going to be set as the x coordinate of the end point of the line, whose y entry is going to be set as the y coordinate of the end point of the line.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetEndStyle(EndingStyle)

Sets the ending syle of the end of a line (Optional; PDF 1.4)

##### Declaration

    public void SetEndStyle(Line.EndingStyle est)

##### Parameters

Type | Name | Description
--- | --- | ---
Line.EndingStyle | est | A enum value from the "EndingStyle" enum, whose value corrsponding to the ending style of the start point.

##### Remarks

Default value: e_None.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetIntentType(IntentType)

Sets the intent type of the line. (For PDF 1.6)

##### Declaration

    public void SetIntentType(Line.IntentType style)

##### Parameters

Type | Name | Description
--- | --- | ---
Line.IntentType | style | An intent type value from the "IntentType" enum.

##### Remarks

Intent type describes the intent of the line annotation. Valid values shall be "e_LineArrow", which means that the annotation is intended to function as an arrow, and "e_LineDimension", which means that the annotation is intended to function as a dimension line.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetLeaderLineExtensionLength(double)

Sets the leader line extension length of a line. (PDF 1.6)

##### Declaration

    public void SetLeaderLineExtensionLength(double ll)

##### Parameters

Type | Name | Description
--- | --- | ---
double | ll | the new leader line extension length

##### Remarks

Usually if this entry is specified, the line is intended to be a dimension line(see "IT" entry). The leader line extension length is a non-negative number that shall represents the length of leader line extensions that extend from the line proper 180 degrees from the leader lines. Default value: 0 (no leader line extensions)

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetLeaderLineLength(double)

Sets the leader line length of a line. (PDF 1.6)

##### Declaration

    public void SetLeaderLineLength(double ll)

##### Parameters

Type | Name | Description
--- | --- | ---
double | ll | the new leader line length

##### Remarks

Usually if this entry is specified, the line is intended to be a dimension line(see "IT" entry). Leader length is length of leader lines in default user space that extend from each endpoint of the line perpendicular to the line itself. A positive value shall mean that the leader lines appear in the direction that is clockwise when traversing the line from its starting point to its ending point (as specified by L); a negative value shall indicate the opposite direction. Default value: 0 (no leader lines)

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetLeaderLineOffset(double)

Sets the leader line offset length of a line. (PDF 1.7)

##### Declaration

    public void SetLeaderLineOffset(double ll)

##### Parameters

Type | Name | Description
--- | --- | ---
double | ll | A number denoting the length of the leader line offset in px.

##### Remarks

Usually if this entry is specified, the line is intended to be a dimension line(see "IT" entry). Leader line offset number is a non-negative number that shall represent the length of the leader line offset, which is the amount of empty space between the endpoints of the annotation and the beginning of the leader lines.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetShowCaption(bool)

Sets the option of whether to show caption.

##### Declaration

    public void SetShowCaption(bool showCaption)

##### Parameters

Type | Name | Description
--- | --- | ---
bool | showCaption | A boolean value indicating whether the caption will be shown.

##### Remarks

If true, the text specified by the Contents or RCentries shall be replicated as a caption in the appearance of the line. The text shall be rendered in a manner appropriate to the content, taking into account factors such as writing direction. Default value: false.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetStartPoint(Point)

Sets the coordinates of the start of a line.

##### Declaration

    public void SetStartPoint(Point sp)

##### Parameters

Type | Name | Description
--- | --- | ---
Point | sp | A Point struct whose x entry is going to be set as the x coordinate of the start point of the line, whose y entry is going to be set as the y coordinate of the start point of the line.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetStartStyle(EndingStyle)

Sets the ending syle of the start of a line (Optional; PDF 1.4.)

##### Declaration

    public void SetStartStyle(Line.EndingStyle sst)

##### Parameters

Type | Name | Description
--- | --- | ---
Line.EndingStyle | sst | A enum value from the "EndingStyle" enum, whose value corrsponding to the ending style of the start point.

##### Remarks

Default value: e_None.

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetTextHOffset(double)

Sets the horizontal offset of the caption. (For PDF 1.7 )

##### Declaration

    public void SetTextHOffset(double offset)

##### Parameters

Type | Name | Description
--- | --- | ---
double | offset | A umber denoting the horizontal offset of caption in px.

##### Remarks

The horizontal offset specifies the offset of the caption text from its normal position. Specifially the horizontal offset along the annotation line from its midpoint, with a positive value indicating offset to the right and a negative value indicating offset to the left. Default value: 0 (no offset from normal horizontal positioning)

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

#### SetTextVOffset(double)

Sets the vertical offset of the caption. (For PDF 1.7 )

##### Declaration

    public void SetTextVOffset(double offset)

##### Parameters

Type | Name | Description
--- | --- | ---
double | offset | A number denoting the vertical offset of caption in px.

##### Remarks

The vertical offset specifies the offset of the caption text from its normal position. Specifially the vertical offset perpendicular to the annotation line, with a positive value indicating a shift up and a negative value indicating a shift down. Default value: 0(no offset from normal vertical positioning).

##### Exceptions

Type | Condition
--- | ---
PDFNetException | PDFNetException the PDFNet exception

### Implements

IDisposable