LspLoad Updated for AutoCAD 2014 and Bricscad 13 64-bit

The automatic lisp loader modules ( on my freebies page) have been updated to add support for AutoCAD 2014 and Bricscad 13 64-bit. The modules are now digitally signed so that AutoCAD 2014 loads them quietly. Share ThisTweetFacebookLinkedInTumblrStumbleDiggDelicious

C++ function declaration tips

Creating and calling functions is one of the most fundamental tasks in C++ programming. The function declaration serves as the primary description of a function’s interface – or contract – with callers, thereby making it the most important piece of code documentation. A good function declaration should convey as much information as possible. I’m sure …

Continue reading ‘C++ function declaration tips’ »

Using /delayload to specify dependent DLL path

Let’s say you have an ObjectARX module with an implicit dependency on another DLL. Your installer puts both your ARX module and the dependent DLL into a private application folder. Windows must be able to resolve the implicit DLL dependency at load time, otherwise it will fail to load your ARX module. Alas, Windows will …

Continue reading ‘Using /delayload to specify dependent DLL path’ »

QuirkyPolyline: exposing foolish programmers

In AutoCAD, the AcDbCurve class defines a general parametrized curve. On a parametrized curve, points in space are mapped to real numbers (parameters) by an arbitrary function F(p) for values of p from the curve start parameter to the curve end parameter. Defining a curve this way simplifies working with complex 3D curves because one …

Continue reading ‘QuirkyPolyline: exposing foolish programmers’ »