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Thus, you can include a definition of S::STARTUP in the AutoLISP startup file to perform any setup operations.įor example, if you want to override the standard HATCH command by adding a message and then switching to the BHATCH command, use an acaddoc.lsp file that contains the following: (defun C:HATCH ( ) If the user-defined function S::STARTUP is included in an acad.lsp, acaddoc.lsp, or MNL file, it is called when you enter a new drawing or open an existing drawing. Typically, this does not pose a problem, unless you want to use the command function, which is not guaranteed to work until after a drawing is initialized. The startup LISP files ( acad.lsp, acaddoc.lsp, and MNL) are all loaded into memory before the drawing is completely initialized. You can define an S::STARTUP function to perform any needed setup operations after the drawing is initialized. S::STARTUP Function: Postinitialization Execution
#LOAD LISP IN AUTOCAD LT 2015 CODE#
If you save the following code as an acaddoc.lsp file, the files mydocumentapp1.lsp, build.lsp, and counter.lsp are loaded every time a new document is opened. The latter method is preferable, because modification is easier.
#LOAD LISP IN AUTOCAD LT 2015 SERIES#
The acaddoc.lsp file can contain AutoLISP code for one or more routines, or just a series of load function calls. The program searches for an acaddoc.lsp file in the order defined by the library path therefore, with this feature, you can have a different acaddoc.lsp file in each drawing directory, which would load specific AutoLISP routines for certain types of drawings or jobs. Most users will have a single acaddoc.lsp file for all document-based AutoLISP routines. The acaddoc.lsp file is always loaded with each drawing regardless of the settings of ACADLSPASDOC. If it finds one, it loads the file into memory. This file is useful if you want to load a library of AutoLISP routines to be available every time you start a new drawing (or open an existing drawing).Įach time a drawing opens, AutoCAD searches the library path for an acaddoc.lsp file.
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The acaddoc.lsp file is intended to be associated with each document (or drawing) initialization. If you save the following code as an acad.lsp file, the files mysessionapp1.lsp, databasesynch.lsp, and drawingmanager.lsp are loaded every time you start the program. The acad.lsp file can contain AutoLISP code for one or more routines, or just a series of load function calls. If set to 1, the acad.lsp file is reloaded when a new drawing is created or an existing drawing file is opened. If the ACADLSPASDOC system variable is set to 0 (the default setting), the acad.lsp file is loaded just once: upon application startup. The recommended functionality of acad.lsp and acaddoc.lsp can be overridden with the ACADLSPASDOC system variable. You will probably want to move routines that should be available in all documents from your acad.lsp file into the acaddoc.lsp file. If an acad.lsp file is found, it is loaded into memory.īecause the acad.lsp file is intended to be used for application-specific startup routines, all functions and variables defined in an acad.lsp file are only available in the first drawing. When you start AutoCAD, it searches the support file search path for an acad.lsp file. You can create an acad.lsp file if you regularly use specific AutoLISP routines. It is up to the user to create and maintain these files. The acad.lsp and acaddoc.lsp startup files are not provided with AutoCAD-based products. As an alternative, the APPLOAD command provides a Startup Suite option that loads the specified applications without the need to edit any files. If one of these files defines a function of the special type S::STARTUP, this routine runs immediately after the drawing is fully initialized. The default method for loading these startup files can be modified by changing the setting of the ACADLSPASDOC system variable. This lets you associate the loading of the acad.lsp file with application startup, and the acaddoc.lsp file with document (or drawing) startup. AutoCAD-based products load the contents of three user-definable files automatically: acad.lsp, acaddoc.lsp, and the MNL file that accompanies your current customization file.īy default, the acad.lsp file is loaded only once, when the program starts, whereas acaddoc.lsp is loaded with each individual document (or drawing).