AutoCAD .NET :: Listing All Xrefs Attached To A Group Of (unopened) Drawings
Aug 15, 2012
I'm using AutoCAD 2013 64 bit and MS Visual Basic 2010 Express (and Excel 2007), and I'm trying to write VB.NET code to list all xrefs attached to a group of drawings. The list of drawings is in column 1 of an Excel spreadsheet, and I want to list all xref filenames in columns 2 onwards - one row per drawing.
The Excel part works fine. I just wish it was as easy to extract information from DWG files.
I created a "Windows Form Application" project in VB 2010 and added a button to Form1. Clicking on the button runs the code.
When adding references I added "Microsoft Excel 12.0 Object Library" COM for Excel (as per Excel website tutorial), and "acdbmgd.dll" and "acmgd.dll" (both with Copy Local=False) as per AutoDesk .NET tutorial. But I got warning messages saying Acdbmgd.dll and Acmgd.dll target a different processor. Is this different to the Excel COM target processor, or do I need to change the target processor for the whole project (and if so, how)?
I tried adding "AutoCAD 2013 Type Library" COM reference instead of "acdbmgd.dll" and "acmgd.dll" which got rid of the target processor warning messages, and I could then open the dwg files successfully, but still the project crashes.
Here's the code so far...
Imports Excel = Microsoft.Office.Interop.Excel
' do I need to include Imports for AutoCAD here? Various websites list AutoDesk.AutoCAD... imports here, but AutoDesk isn't an available option when I try adding this here - maybe because I have the wrong references?
Public Class Form1
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
[Code]....
When I run the project I also get a "A first change exception of type 'System.Runtime.InteropServices.COMException' occurred in MyProject.exe" message. How can I rectify this?
Currently it crashes when it gets to the cadDwg.Database.Blocks line saying "Call was rejected by callee. (Exception from HRESULT: 0x80010001 (RPC_E_CALL_REJECTED))".
The xlsx file and the dwg files refered to in the xlsx file all exist. I've tried running it both with AutoCAD 2013 running and with AutoCAD 2013 not running. Still doesn't work
I feel so close, but what am I missing? I haven't downloaded the "ObjectARX for AutoCAD 2013 (32-bit and 64-bit)" from AutoDesk yet because (i) I have to get a licence, and (ii) it's a very large file, and (iii) I seem to be able to open drawing files without it, but just not access the data I want in the files.
I've got 1500+ drawings to look at by the end of the week. If this doesn't work it's back to AutoLisp (and maybe script files, but that's another headache).
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Mar 11, 2013
Is there a way for xrefs to stay attached to a drawing file when using Dropbox as a network? All files are saved to the dropbox which is loaded on both computers that need to access the files. If I do work and save an xref in a file that is then opened by someone else on a different computer, the xref is not loaded and has to be re-routed. Is there a way to avoid having to reroute xrefs everytime someone different opens the file?
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Nov 12, 2013
I'm running Map 2014 SP1 on my machine and the rest of the users in our organization are running Map 2013.
If I save a drawing back to a dwg 2010 version all is fine, but if I save the same drawing to a dwg 2013 version other users are not able to activate and query from it, even though they are otherwise still able to open and work with the drawing.
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Jul 28, 2012
If I have several hundred drawings, For example;
Drawing1.dwg
Drawing2.dwg
Drawing3.dwg
..etc..
and several hundred Xrefs;
XCdrg1.dwg
XCdrg2.dwg
XCdrg3.dwg
..etc...
Now, I need to do the following;
attach XCdrg1.dwg to Drawing1.dwg
attach XCdrg2.dwg to Drawing2.dwg
attach XCdrg3.dwg to Drawing3.dwg
..etc...
What is the quickest method? Script? (I have approximately 800 drawings and 800 xrefs and for CAD management reasons they need to be individual drawing files)
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Oct 21, 2013
I have recently installed Autocad 2014 and am experiencing very slow and jumpy files when using x-refs. The other machines in the office where I work are not experiencing the same problem and apparently my machine is more powerful.
Originally we thought this might be a network issue (as x-refs are being referenced through the network) but when I put the actual reference files on my computer, I experienced the same issue.
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Jan 26, 2012
I've recently run into a problem that involves xrefs. Basically, I cannot open files that are being xrefed in other drawings when those drawings are currently open. AutoCAD Architecture will only allow me to open the xrefed file as a read-only version. For example:
I have 1ST FLOOR PLAN (drawing file) xrefed into A-201.00 FIRST FLOOR PLAN (sheet file). If one of my team members has the sheet file open with the drawing file loaded, then AutoCAD will only let me open the drawing file as a read-only file. But if my team member has the sheet file open with the drawing file unloaded, then I can open the drawing file without any problems.
I have never had this type of problem with xrefs before and so I'm wondering if it's an AutoCAD Architecture 2012 bug.
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Aug 28, 2013
I have drawings which are occasionally transmitted to vendors, building officials and other parties. These drawings contain XREFs for the floor plans, roof plans, site plans, etc. Some of these XREFs contain layers with sensitive information the client does not want distributed to third parties.
If I'm just sending a PDF or plotting locally the sensitive layers are turned off or frozen and the PDF is plotted without layers. This is sufficient to protect the sensitive data. But if the third party requests a CAD file then I have a problem.
If I use Send to create a package of dependent files including XREFs they are included whole with all of the sensitive data on frozen layers.
If I Bind the XREF to a copy of the drawing for distribution the sensitive layers are still included as frozen layers.
In either case I am confronted with the task of deleting a large number of layers and we all know what a chore deleting layers with content can be. There has to be a solution to this problem, either an easier way to delete layers or a way to filter them in the binding process. Currently I am removing the XREF and making a block of the essential layers each time I have to make a distribution but these are large and complex drawings making this a chore as well.
Arguably this would be much simpler if AutoCAD had a better method for removing layers such as offering to a. move all contents to layer 0, b. delete all layer contents or c. cancel instead of just telling me I can't delete the layer because there are contents like we're still using R12.
AutoCAD 2010
AutoCAD LT 2013
Revit Architecture LT 2013
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Apr 11, 2011
Installed AutoCAD 2012 3 days ago.
I have noticed the layerstates of the xrefs in my drawings are disappearing. I have to close and reopen the file for them to reappear. Can duplicate this error? At the moment i haven't been able to pinpoint when it happens, but its a first in my experience. I just installed it on another staff members computer so i will see if they get the same problem and report back.
OK. I discovered it occurs when you unload the xrefs, then reload them in the drawing. I was able to duplicate the same problem in a seperate drawing on another computer.
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Feb 16, 2012
I have been given a set of drawings (300+) and I need to find where and/or if certain blocks (and other objects) are used in these drawings. Is there a utility program or does AutoCAD have the ability to search a group of drawings for a block (by name) and return a list of all the drawings where the block is found.
On that same topic, is there a utility program that will export all the CAD data from a list of drawings to a .csv file or even excel so I can filter and search several drawings for layers, blocks, xrefs etc.
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Apr 22, 2013
i have a large number of drawings that need xrefs detached and re-attached with the latest model xrefs, any way to do them in bulk rather than opening each individual drawing? the problem started a while back, when opening drawings, ACAD is not loading the latest 'saved' model when opening drawings...
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Jun 3, 2011
Is there a way to access the block libary without opening a drawing?
Or what object would you use to speed up drawing data extraction?
For example in other Cad programs you can open the drawing in a read-only mode or invisible and it speeds up the data extraction.
What would be a similiar method for Autocad 2011.
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The following code will explain how it works:
[CommandMethod("RenderFromFile")]public static void RenderFromFile(){string dwgPath = @"C:TempRender.dwg";string imagePath = @"C:TempRender.png";Document doc = Application.DocumentManager.Open(dwgPath);RenderToFile(doc, imagePath);}
[Code]....
The command RenderFromFile will render the 3D drawing file at C:TempRender.dwg (see this file from attachment), and then write the output image to Render.png at the same folder. The rendered image is on the top view and has visual materials.
The command RenderCurrentView will render the current open 3D drawing, then write the output image to C:TempRender.png. The rendered image is on 3D view and does not have visual materials.
Both two commands call the same shared method RenderToFile(), but their output images are different. I don't know why they are different?
Method RenderToFile is a simplified version from Kean's code. I try to make the code short and simple to easily solve the problem.
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I have tried to modify..
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Group
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PickDrag
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Is it possible to get a listing of all of the X-Refs contained in a particular document. I am attempting to do this with the following
db.ReadDwgFile(testFileName, FileOpenMode.OpenForReadAndWriteNoShare, true, null); using (var tx = db.TransactionManager.StartTransaction()) { var xrefGraph = db.GetHostDwgXrefGraph(true); for(int i = 0; i < xrefGraph.NumNodes; i++) { XrefGraphNode xgn = xrefGraph.GetXrefNode(i); Console.WriteLine(xgn.Name); } }
I know that this drawing has 3 attached X-Refs, but none are coming up in the node graph.
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What i want is to create a treeview that lists all the blocks. I can achieve that trough iterating the blocktable record.
No i can populate all the blocks in the control.
But how can i get a list of all block references in model and paperspace.
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Command: ????
Number of blocks: 22
Number of 3d faces: 2
.
.
Number of hatches:1
"Qselect" does it but it can be very slow if there are a large number of objects in the file.
I guess this information is savea as "meta data" and can be accessed even without opening the file???
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