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Marker2Ds (Collection)

A collection of Marker2Ds objects.

Method Index

Add2DArrow
Creates an arrow marker 2D and adds it to the marker 2D collection.
Add2DCircle
Creates a circle marker 2D and adds it to the marker 2D collection.
Add2DFreeHand
Creates a free hand drawing marker 2D and adds it to the marker 2D collection.
Add2DLine
Creates a line marker 2D and adds it to the marker 2D collection.
Add2DPicture
Creates a picture marker 2D and adds it to the marker 2D collection.
Add2DRectangle
Creates a rectangle marker 2D and adds it to the marker 2D collection.
Add2DText
Creates a text marker 2D and adds it to the marker 2D collection.
Item
Returns a marker 2D using its index from the Marker2Ds collection.
Remove
Removes a marker 2D from the Marker2Ds collection.

Methods


o Func Add2DArrow( iCoordinates) As
Creates an arrow marker 2D and adds it to the marker 2D collection. The arrow is defined using the coordinates of its head and tail points.
Parameters:
iCoordinates
The coordinates
  • iCoordinates(0) is the X coordinate of the head point
  • iCoordinates(1) is the Y coordinate of the head point
  • iCoordinates(2) is the X coordinate of the tail point
  • iCoordinates(3) is the Y coordinate of the tail point
Returns:
The created marker 2D
Example:
This example creates a new marker 2D in the TheMarker2Ds collection. 
    Dim NewMarker2DArrow As Marker2D
    Set NewMarker2DArrow = TheMarker2Ds.Add2DArrow(Positions)
o Func Add2DCircle( iCoordinates,
iFillStatus) As
Creates a circle marker 2D and adds it to the marker 2D collection. The circle is defined using the coordinates of its center and a point through which it passes.
Parameters:
iCoordinates
The coordinates
  • iCoordinates(0) is the X coordinate of the center
  • iCoordinates(1) is the Y coordinate of the center
  • iCoordinates(2) is the X coordinate of the a point on the circle
  • iCoordinates(3) is the Y coordinate of the a point on the circle
iFillStatus
The filling status (1 the figure is filled, 0 the figure is not filled).
Returns:
The created marker 2D
Example:
This example creates a new marker 2D in the TheMarker2Ds collection. 
    Dim NewMarker2DCircle As Marker2D
    Set NewMarker2DCircle = TheMarker2Ds.Add2DCircle(Positions, 0)
o Func Add2DFreeHand( iCoordinates) As
Creates a free hand drawing marker 2D and adds it to the marker 2D collection. The free hand drawing is defined using the coordinates of a series of points.
Parameters:
iCoordinates
The coordinates
  • iCoordinates(0) is the X coordinate of the first point
  • iCoordinates(1) is the Y coordinate of the first point
  • iCoordinates(2) is the X coordinate of the second point
  • iCoordinates(3) is the Y coordinate of the second point
  • iCoordinates(n*2-2) is the X coordinate of the n-th point
  • iCoordinates(n*2-1) is the Y coordinate of the n-th point
Returns:
The created marker 2D
Example:
This example creates a new marker 2D in the TheMarker2Ds collection. 
    Dim NewMarker2DFreeHand As Marker2D
    Set NewMarker2DFreeHand = TheMarker2Ds.Add2DFreeHand(Positions)
o Func Add2DLine( iCoordinates) As
Creates a line marker 2D and adds it to the marker 2D collection. The line segment is defined using the coordinates of its two endpoints.
Parameters:
iCoordinates
The coordinates of the endpoints
  • iCoordinates(0) is the X coordinate of the first endpoint
  • iCoordinates(1) is the Y coordinate of the first endpoint
  • iCoordinates(2) is the X coordinate of the second endpoint
  • iCoordinates(3) is the Y coordinate of the second endpoint
Returns:
The created marker 2D
Example:
This example creates a new marker 2D in the TheMarker2Ds collection. 
    Dim NewMarker2DLine As Marker2D
    Set NewMarker2DLine = TheMarker2Ds.Add2DLine(Positions)
o Func Add2DPicture( iCoordinates,
iPath) As
Creates a picture marker 2D and adds it to the marker 2D collection. The picture is defined as a rectangle whose bottom-left and top-right corners are given.
Parameters:
iCoordinates
The coordinates of the corners
  • iCoordinates(0) is the X coordinate of the bottom-left point
  • iCoordinates(1) is the Y coordinate of the bottom-left point
  • iCoordinates(2) is the X coordinate of the top-right point
  • iCoordinates(3) is the Y coordinate of the top-right point
iPath
The path to the picture file
Returns:
The created marker 2D
Example:
This example creates a new marker 2D in the TheMarker2Ds collection. 
    Dim NewMarker2DPicture As Marker2D
    Set NewMarker2DPicture = TheMarker2Ds.Add2DPicture(Positions, "e:\picture.bmp")
o Func Add2DRectangle( iCoordinates,
iFillStatus) As
Creates a rectangle marker 2D and adds it to the marker 2D collection. The rectangle is defined using the coordinates of its bottom-left and top-right corners.
Parameters:
iCoordinates
The coordinates
  • iCoordinates(0) is the X coordinate of the bottom-left point
  • iCoordinates(1) is the Y coordinate of the bottom-left point
  • iCoordinates(2) is the X coordinate of the top-right point
  • iCoordinates(3) is the Y coordinate of the top-right point
iFillStatus
The filling status (1 the figure is filled, 0 the figure is not filled).
Returns:
The created marker 2D
Example:
This example creates a new marker 2D in the TheMarker2Ds collection. 
    Dim NewMarker2DRectangle As Marker2D
    Set NewMarker2DRectangle = TheMarker2Ds.Add2DRectangle(Positions, 0)
o Func Add2DText( iCoordinates,
iText) As
Creates a text marker 2D and adds it to the marker 2D collection. The text is anchored using the coordinates of its bottom-left point.
Parameters:
iCoordinates
The coordinates
  • iCoordinates(0) is the X coordinate of the bottom-left point
  • iCoordinates(1) is the Y coordinate of the bottom-left point
iText
The text
Returns:
The created marker 2D
Example:
This example creates a new marker 2D in the TheMarker2Ds collection. 
    Dim NewMarker2DText As Marker2D
    Set NewMarker2DText = TheMarker2Ds.Add2DText(Positions, "example")
o Func Item( iIndex) As
Returns a marker 2D using its index from the Marker2Ds collection.
Parameters:
iIndex
The index of the marker 2D to retrieve from the collection of Marker2Ds. As a numerics, this index is the rank of the marker 2D in the collection. The index of the first marker 2D in the collection is 1, and the index of the last marker 2D is Count.
Returns:
The retrieved marker 2D
Example:
This example retrieves in ThisMarker2D the ninth marker 2D from the TheMarker2Ds collection. 
    Dim ThisMarker2D As Marker2D
    Set ThisMarker2D = TheMarker2Ds.Item(9)
o Sub Remove( iIndex)
Removes a marker 2D from the Marker2Ds collection.
Parameters:
iIndex
The index of the marker 2D to retrieve from he collection of Marker2Ds. As a numerics, this index is the rank of the marker 2D in the collection. The index of the first marker 2D in the collection is 1, and the index of the last marker 2D is Count.
Example:
The following example removes the tenth marker 2D from the TheMarker2Ds collection. 
    TheMarker2Ds.Remove(10)

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