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一我們可以通過AutoCAD安裝以后提供的COM接口啟動AutoCAD。

COM組件為：
AutoCAD/ObjectDBX Common 17.1 Type Library (Autodesk.AutoCAD.Interop.Common.dll).
AutoCAD 2009 Type Library (Autodesk.AutoCAD.Interop.dll)

二方法一

public static void Way1()

{

const string progID = "AutoCAD.Application.17.1";

AcadApplication acApp = null;

try

{

acApp = (AcadApplication)Marshal.GetActiveObject(progID);

}

catch

{

try

{

Type acType = Type.GetTypeFromProgID(progID);

acApp = (AcadApplication)Activator.CreateInstance(acType,true);

}

catch

{

MessageBox.Show("Cannot create object of type \"" +progID + "\"");

}

if (acApp != null)

{

// By the time this is reached AutoCAD is fully

// functional and can be interacted with through code

acApp.Visible = true;

acApp.ActiveDocument.SendCommand("_MYCOMMAND ");

}

三方法二

public static void Way2()

{

const string progID = "AutoCAD.Application.17.1";

const string exePath = @"E:\Program Files\Autodesk\ACADM 2009\acad.exe";

AcadApplication acApp = null;

// Let's first check we don't have AutoCAD already running

try

{

acApp =(AcadApplication)Marshal.GetActiveObject(progID);

}

catch { }

if (acApp != null)

{

MessageBox.Show("An instance of AutoCAD is already running.");

}

else

{

try

{

// Use classes from the System.Diagnostics namespace

// to launch our AutoCAD process with command-line

// options

ProcessStartInfo psi = new ProcessStartInfo(exePath, "/p myprofile");

psi.WorkingDirectory = @"c:\temp";

Process pr = Process.Start(psi);

// Wait for AutoCAD to be ready for input

// This doesn't wait until AutoCAD is ready

// to receive COM requests, it seems

pr.WaitForInputIdle();

// Connect to our process using COM

// We're going to loop infinitely until we get the

// AutoCAD object.

// A little risky, unless we implement a timeout

// mechanism or let the user cancel

while (acApp == null)

{

try

{

acApp = (AcadApplication)Marshal.GetActiveObject(progID);

}

catch

{

// Let's let the application check its message

// loop, in case the user has exited or cancelled

Application.DoEvents();

}

catch (Exception ex)

{

MessageBox.Show("Cannot create or attach to AutoCAD object: "+ ex.Message);

}

if (acApp != null)

{

acApp.Visible = true;

acApp.ActiveDocument.SendCommand("_MYCOMMAND ");

}

四當然也可以使用C++去調用COM接口。

posted on 2008-06-17 08:46 夢在天涯閱讀(5515) 評論(0) 編輯收藏引用所屬分類: ARX/DBX

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