Month: March 2009
DeHL 2.2 Released
In this release I have changed the name of the library from DelphiHelperLib to DeHL to be shorter. The most important changes in this release are: Renamed the library to DeHL in hopes to remove the length of…
Read More »How To: Invokable Variants
In this post I will try to explain how to create a “late-bound” dictionary based on invokable variants. Most of the techniques related to the creation of a custom Variant data type are already described in How To:…
Read More »Little warning
If you’re ever going to write a custom invokable variant read the following, otherwise just skip this post. I will not detail on how to create a custom invokable variant type (that is a matter for another post),…
Read More »How to write a good email feedback (for Help)
This post is here to explain how to properly write an email feedback for the Delphi Help system. So often people assume that nobody reads these emails. This leads to emails with little value to us (the Documentation…
Read More »Array constructor
Speaking of features which are sparse in documentation. There is an intersting and a bit useless feature in dynamic arrays laying around: array constructors. Let’s check out this example: This code will actually compile and run. (May probably…
Read More »“in” is dead, long live “CharInSet” (or maybe not)
I’ve this question come up a few times, so … Since Delphi 2009 you have probably noticed this warning: “[DCC Warning] Unit1.pas(27): W1050 WideChar reduced to byte char in set expressions. Consider using ‘CharInSet’ function in ‘SysUtils’ unit.”…
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