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• 这种完美的控件用于开发工程，测量，CNC和工业相关的软件。

• DXFReader的特点是熟悉的，直观的，而且对于CAD开发人员来说，特别是易于使用的特性。在大多数情况下，他们不需要写代码。

• 针对于以下实体的显示和操作，从rel.14到2007（版本v.u.23.1.01）与AutoDesk DXF全兼容，这些实体包括：3DFACE, ARC, ATTDEF, ATTRIB, CIRCLE, DIMENSION, ELLIPSE, IMAGE, INSERT, LINE, LWPOLYLINE, MTEXT, POINT, POLYLINE（包括凸多边形，网状折线和多面体网格）, RAY, SPLINE, 具有truetype 字体的TEXT，TRACE, XLINE。

• 显示功能包括平移, 缩放(扩展，图形界限，缩小，放大，向前，窗口，等)

• 每个实体和每个表项的完全控制提供一个对象集合用于表示每个绘图元素。这是可能的，很少说明的是，这是为了检索和处理每个绘图信息并添加或移除任何实体项。例如下面的代码将打印出在一个绘图中的每条线的距离：

Dim Entity as DXFReaderEntity

With DXFReader1

 For Each Entity In .Entities

  If Entity.EntityType = "LINE" Then

   Printer.Print Sqr((Entity.X1 - Entity.X0) ^ 2 + (Entity.Y1 - Entity.Y0) ^ 2)

  End If

 Next Entity

End With

• 块，尺寸规格，属性和颜色的完全控制，都是使用已实施的默认的调色板对话框来设置AutoCAD Color Index值。

• 完全访问DXF文件的HEADER变量来检索和/或修改如单元格式，属性模式，尺寸参数，扩展，图形界限等信息。

• 具有不同缩放尺寸大小的光栅背景图像的完全支持，使其能够和矢量绘图一起使用。

• 使用不同打印模式的全分辨率打印。能够检索和设置缩放尺寸大小，页边距，空白，渲染，旋转，宽高比和选择不同画笔指定。

• 在不同版本中的完整的DXF文件的保存。它可以使用一个低版本读取一个DXF文件并将其写入。单个DXF块，BMP，和WMF图片的保存。

• 红线功能用于添加信息到绘图中而无需修改数据库。

• 一个绘图的一个实体的读取用来合并到其他正在改变旋转角度，缩放大小和变换的绘图中。

• 网格，轴，图形界限和基点的可视化。

• 选择引擎。您可以选择一个绘图的实体，只需在该实体上简单地按一下。

• 全上下文敏感的HtmlHelp

• 完全兼容于Microsoft Visual Studio.NET 2003/2005/2008, Microsoft Visual Basic 4.0, 5.0 和 6.0版本, Microsoft Office, Microsoft Visual C++, Microsoft Visual J++, Microsoft Visual FoxPro 6.0, Borland Delphi.

DXF is an acronym for Drawing eXchange Format. DXF is an ASCII replication of the contents of a drawing file enabling the interchange of files from one CAD system to another program. DXF import/export is supported by a wide variety of applications, ranging from CAD products to word processors, desktop publishing and illustration tools. The DXF CAD format has become the defacto standard in PC based CAD industry with many other CAD systems able to read and write this format too.

With DXFReader you can also retrieve every drawing information and every entity and easily perform data manipulation and/or analysis directly within your development environment.

Features

The following is a highlight of some of the major features of DXFReader:

• The ideal Control to develop engineering, surveying; CNC and industrial related software.
• DXFReader's features are familiar, intuitive, and easy to use especially for CAD developers. In most cases, they require no code.
• Full compliant with AutoDesk DXF from rel. 14 to 2007 (version v.u.23.1.01) for display and manipulation of the following entities: 3DFACE, ARC, ATTDEF, ATTRIB, CIRCLE, DIMENSION, ELLIPSE, IMAGE, INSERT, LINE, LWPOLYLINE, MTEXT, POINT, POLYLINE including bulged polylines, meshed polylines and polyfaces, RAY, SPLINE, TEXT with truetype fonts, TRACE, XLINE.
• Display functions including Pan, Zoom (Extents, Limits, In, Out, Previous, Window, etc.)
• Full control of every entity and of every tables entry providing collections of objects representing every drawing elements. It is possible, with few instructions, to retrieve and process every drawing information and add or remove any entry.
  For example the following code will print out the distance of every line in a drawing:

  Dim Entity as DXFReaderEntity
  
  With DXFReader1
  
   For Each Entity In .Entities
  
    If Entity.EntityType = "LINE" Then
  
     Printer.Print Sqr((Entity.X1 - Entity.X0) ^ 2 + (Entity.Y1 - Entity.Y0) ^ 2)
  
    End If
  
   Next Entity
  
  End With
   

• Full control of blocks, dimensions, attribute and color using the AutoCAD Color Index with implemented default palette dialog.
• Full access to every HEADER variable of the DXF file to retrieve and/or modify information like units format, attribute mode, dimensioning parameters, extensions, limits and so on.
• Full support of background raster image with different scaling to use together vectorial drawings.
• Full resolution printing using different printing modes. It is possible to retrieve and set scaling, margins, origin, rendering, rotation, aspect ratio and select different pen assignments.
• Saving of full DXF file in different versions. It is possible to read a DXF file and write it using a lower version. Saving of single DXF block, of BMP and WMF pictures.
• Redlining functions to add information to the drawing without modifying the database.
• Reading of the only entities of a drawing to merge together other drawings changing rotation, scaling and translation.
• Visualization of grid, axes, limits and base point.
• Pick engine. You can select a drawing's entity simply clicking on it.
• Full context sensitive HtmlHelp.
• Full compatible with Microsoft Visual Studio.NET 2003/2005/2008, Microsoft Visual Basic 4.0, 5.0 and 6.0, Microsoft Office, Microsoft Visual C++, Microsoft Visual J++, Microsoft Visual FoxPro 6.0, Borland Delphi.