https://forums.autodesk.com/t5/net-forum/how-to-save-preview-image/m-p/2618552#M67478 When I using save a dwg file with database.saveas method,I found it lose the preview.<BR /> But now I want to get the preview image without opening a new document,how can I do to get it?<BR /> I try to get a preview a image with Blockthumbnailhelper.GetBlockThumbanail(ObjectId)，but it is too small.<BR /> How can I make a bigger one with this method?<BR /> thanks! Tue, 19 Jan 2010 02:01:16 GMT Anonymous 2010-01-19T02:01:16Z https://forums.autodesk.com/t5/net-forum/how-to-save-preview-image/m-p/2618552#M67478 When I using save a dwg file with database.saveas method,I found it lose the preview.<BR /> But now I want to get the preview image without opening a new document,how can I do to get it?<BR /> I try to get a preview a image with Blockthumbnailhelper.GetBlockThumbanail(ObjectId)，but it is too small.<BR /> How can I make a bigger one with this method?<BR /> thanks! Tue, 19 Jan 2010 02:01:16 GMT https://forums.autodesk.com/t5/net-forum/how-to-save-preview-image/m-p/2618552#M67478 Anonymous 2010-01-19T02:01:16Z https://forums.autodesk.com/t5/net-forum/how-to-save-preview-image/m-p/2618553#M67479 There is information here that will help you.<BR /> <BR /> http://discussion.autodesk.com/forums/thread.jspa?messageID=5313888ᕠ Tue, 19 Jan 2010 11:45:02 GMT https://forums.autodesk.com/t5/net-forum/how-to-save-preview-image/m-p/2618553#M67479 Anonymous 2010-01-19T11:45:02Z