DXFReader Control - ViewPorts Property

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DXFReader Control - ViewPorts Property

Kadmos DXFReader ActiveX Control
DXFReader Control
ViewPorts Property

Description Returns a reference to a collection of "ViewPort" objects. Each object corresponds to an entry of the Viewport configuration table (VPORT) of the DXF file.

Syntax
Visual Basic [form.]DXFReader.ViewPorts

Visual C++ C_Collection DXFReader.GetViewPorts();

Delphi property ViewPorts: _Collection;

C# VBA.Collection DXFReader.ViewPorts;

Remarks Use the ViewPorts collection to retrieve or remove an individual ViewPort object.

The methods of the ViewPorts collection are:
Count Counts the defined ViewPorts
Remove Removes a ViewPort object from the ViewPorts collection

To count all the objects of the ViewPorts collection use the following code:

Dim NViewPorts As Long

NViewPorts = DXFReader1.ViewPorts.Count

To remove a ViewPort object, for example the first, from the ViewPorts collection use the following code:

DXFReader1.ViewPorts.Remove (1)

All of the properties for the ViewPort object are listed in the following table:

Property Data Type Description
ViewWidth Single View width
Handle String Handle
ViewPortName String Viewport name
Xl Single Lower-left corner X coordinate of viewport
Yl Single Lower-left corner Y coordinate of viewport
Xr Single Upper-right corner X coordinate of viewport
Yr Single Upper-right corner Y coordinate of viewport
Xc Single View center point X coordinate
Yc Single View center point X coordinate
SnapBasePointX Single Snap base point X coordinate
SnapBasePointY Single Snap base point Y coordinate
SnapSpacingX Single Snap spacing X coordinate
SnapSpacingY Single Snap spacing Y coordinate
GridSpacingX Single Grid spacing X
GridSpacingY Single Grid spacing Y
ViewDirectionX Single View direction from target point X coordinate
ViewDirectionY Single View direction from target point Y coordinate
ViewDirectionZ Single View direction from target point Z coordinate
ViewTargetX Single View target point X coordinate
ViewTargetY Single View target point Y coordinate
ViewTargetZ Single View target point Z coordinate
ViewHeight Single View height
ViewPortAspectRatio Single Viewport aspect ratio
LensLength Single Lens focal length
FrontClippingPlane Single Front clipping plane (offset from target point)
BackClippingPlane Single Back clipping plane (offset from target point)
SnapRotationAngle Single Snap rotation angle
ViewTwistAngle Single View twist angle
ViewMode Integer View mode (see VIEWMODE system variable)
CircleZoomPercent Integer Circle zoom percent
FastZoomSetting Integer Fast zoom setting
UCSICONSetting Integer UCSICON setting
SnapOnOff Integer Snap on/off: 1= On, 0=Off
GridOnOff Integer Grid on/off: 1= On, 0=Off\r\n
SNAPSTYLE Integer Snap style
SNAPISOPAIR Integer Snap isopair
Flag Integer Standard flag values

The code below lists the contents of the VPORT table of e DXF file:

Dim ViewPort as Object

With DXFReader1

For Each ViewPort In .ViewPorts

Printer.Print ViewPort.ViewPortName

Next ViewPort

End With

Data Type Collection