http://www.zwsoft.com/forum/viewthread.php?tid=2568 [i=s] Post Last Edit by rishir7113 at 2013-1-11 17:02 [/i] [i=s] Post Last Edit by rishir7113 at 2013-1-11 14:08 Hi Folks I try to evaluate [color=#9932cc]ZWCAD+[/color] with [color=#9932cc]com[/color] in [color=#dda0dd]VS2008[/color].I added Type library and try to Run Some sample Application Like[color=#9932cc] AddLine,AddCircle[/color], etc and these works fine. Follow to that i tried to use [color=#9932cc]GetPoint,SelectbyFence[/color] Which is giving me error that Interface is Not registered ([color=#9932cc]Interop.ZWCAD[/color]) I am Facing below issues, In programming [color=#9932cc]ZcadDocument.ZcadUtility[/color] Throws Exception For Me. Even [color=#9932cc]ZcadDocument.SelectionSet [/color]do the same. I am using [color=#9932cc]ZWCAD+[/color] Trial version on [color=#9932cc]Windows XP[/color] operating System. Kindly Let me know the reason or solution for it. Sample Code is As Below [color=#9932cc]ZcadApplication zcadapp;[/color] [color=#9932cc]ZcadDocument zcaddoc;[/color] [color=#9932cc]ZcadUtility zUtility;[/color] [color=#9932cc] [/color] [color=#9932cc]zcadapp = new ZcadApplication();[/color] [color=#9932cc]zcadapp.Visible = true;[/color] [color=#9932cc]zcaddoc = zcadapp.ActiveDocument;[/color] [color=#9932cc] [/color] [color=#9932cc] [/color] [color=#9932cc] [/color] [color=#9932cc]object objPoint = (object)dblStartPoint;[/color] [color=#9932cc]string strPrompt = "Click a Point";[/color] [color=#9932cc]object objPrompt = (object)strPrompt;[/color] [color=#9932cc]object retObj;[/color] [color=#9932cc]zUtility = zcaddoc.Utility;[/color] [color=#9932cc] [/color] [color=#9932cc]try[/color] [color=#9932cc]{[/color] [color=#9932cc] retObj = zUtility.GetPoint(objPoint, objPrompt); // Error Here As zUtility is null[/color] [color=#9932cc] [/color] [color=#9932cc] [/color] [color=#9932cc] double[] dblStartPoint = new double[3];[/color] [color=#9932cc] dblStartPoint = (double[])retObj;[/color] [color=#9932cc]}[/color] [color=#9932cc]catch[/color] [color=#9932cc]{[/color] [color=#9932cc] // Error ......[/color] [color=#9932cc]}[/color] Thanks Rishikesh rishir7113 2013-01-11 12:59:15 http://www.zwsoft.com/forum/viewthread.php?tid=2568&pid=16474 [b]Reply [url=http://www.zwsoft.com/forum/redirect.php?goto=findpost&pid=16473&ptid=2568]2#[/url] [i]Zibster[/i] [/b] Hi Zibster I added Sample Code with My earlier Post. Regards Rishikesh rishir7113 2013-01-11 17:04:24 http://www.zwsoft.com/forum/viewthread.php?tid=2568&pid=16473 [i=s] Post Last Edit by Zibster at 2013-1-11 16:56 [/i] Hi, can you add (attach) you code here? Greetings, Assgarth Zibster 2013-01-11 16:47:06