COM用CreateObject能够自动创建一个dwg文件并打开Autocad环境，那么ObjectArx.Net用

yanghao1

COM用CreateObject能够自动创建一个dwg文件并打开AutoCAD环境，那么ObjectArx.Net用什么方法实现同样的功能[br]COM用CreateObject能够自动创建一个dwg文件并打开Autocad环境，那么ObjectArx.Net用什么方法实现同样的功能

lin0799

<pre class="codeLine">[CommandMethod("ConnectToAcad")]</pre><pre class="codeLine">public static void ConnectToAcad()</pre><pre class="codeLine">{</pre><pre class="codeLine">
        </pre><pre class="codeLine">  AcadApplication acAppComObj = null;</pre><pre class="codeLine">  const string strProgId = "AutoCAD.Application.18";</pre><pre class="codeLine">
        </pre><pre class="codeLine">  // Get a running instance of AutoCAD</pre><pre class="codeLine">  try</pre><pre class="codeLine">  {</pre><pre class="codeLine">      acAppComObj = (AcadApplication)Marshal.GetActiveObject(strProgId);</pre><pre class="codeLine">  }</pre><pre class="codeLine">  catch // An error occurs if no instance is running</pre><pre class="codeLine">  {</pre><pre class="codeLine">      try</pre><pre class="codeLine">      {</pre><pre class="codeLine">          // Create a new instance of AutoCAD</pre><pre class="codeLine">          acAppComObj = (AcadApplication)Activator.CreateInstance(Type.GetTypeFromProgID(strProgId), true);</pre><pre class="codeLine">      }</pre><pre class="codeLine">      catch</pre><pre class="codeLine">      {</pre><pre class="codeLine">          // If an instance of AutoCAD is not created then message and exit</pre><pre class="codeLine">          System.Windows.Forms.MessageBox.Show("Instance of 'AutoCAD.Application'" +</pre><pre class="codeLine">                                               " could not be created.");</pre><pre class="codeLine">
        </pre><pre class="codeLine">          return;</pre><pre class="codeLine">      }</pre><pre class="codeLine">  }</pre><pre class="codeLine">
        </pre><pre class="codeLine">  // Display the application and return the name and version</pre><pre class="codeLine">  acAppComObj.Visible = true;</pre><pre class="codeLine">  System.Windows.Forms.MessageBox.Show("Now running " + acAppComObj.Name + </pre><pre class="codeLine">                                       " version " + acAppComObj.Version);</pre><pre class="codeLine">
        </pre><pre class="codeLine">  // Get the active document</pre><pre class="codeLine">  AcadDocument acDocComObj;</pre><pre class="codeLine">  acDocComObj = acAppComObj.ActiveDocument;</pre><pre class="codeLine">
        </pre><pre class="codeLine">  // Optionally, load your assembly and start your command or if your assembly</pre><pre class="codeLine">  // is demandloaded, simply start the command of your in-process assembly.</pre><pre class="codeLine">  acDocComObj.SendCommand("(command " + (char)34 + "NETLOAD" + (char)34 + " " +</pre><pre class="codeLine">                          (char)34 + "c:/myapps/mycommands.dll" + (char)34 + ") ");</pre><pre class="codeLine">
        </pre><pre class="codeLine">  acDocComObj.SendCommand("MyCommand ");</pre><pre class="codeLine">}</pre>

yanghao1

lin0799发表于2009-11-8 15:32:00public static void ConnectToAcad(){   AcadApplication acAppComObj = null;  const string strProgId = \"AutoCAD.Application.18\";   // Get a

先生的这种方法必须是在autocad环境打开的情况下才能在命令行发"ConnectToAcad"命令，此时的autocad环境已经打开了，发这个命令是否多余啊

雪山飞狐_lzh

NetApi只能在Cad环境内

不过，你可以用scr实现类似的功能