Posted by jpluimers on 2013/11/26
Sometimes a naming convention has been in place for quite a while, then new functionality breaks it.
One of the naming conventions in the JVCL is that all Delphi design-time packages follow the naming pattern *Design##.bpl
Until a package with run-time design functionality came along named (for Delphi XE3) as JvRuntimeDesign170.bpl. The actual design-time package for that is JvRuntimeDesignDesign170.bpl (:
I guess some of the reporting tools bumped into the same thing when they added run-time design support as well.
–jeroen
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Posted in Delphi, Delphi XE3, Development, Software Development | 4 Comments »
Posted by jpluimers on 2013/11/26
For some remote monitoring, I needed to get information on UNC paths.
Though suggested, you cannot do this using the System.IO.DriveInfo class (not through the constructor, nor through the VB.NET FileSystem way) as that is about drives, not UNC paths. The System.IO.DriveInfo constructor clearly indicates it doesn’t work with UNC paths. And if you still try, this is the error you will get:
System.ArgumentException was unhandled
HResult=-2147024809
Message=Object must be a root directory ("C:\") or a drive letter ("C").
Source=mscorlib
StackTrace:
at System.IO.DriveInfo..ctor(String driveName)
Same for WMI: that only works when the UNC path has already been mapped to a drive letter.
You could do with adding a temporary drive letter but since there is nothing as permanent as a temporary…
P/Invoke
The actual solution is based on calling Windows API functions using P/Invoke. Read the rest of this entry »
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Posted by jpluimers on 2013/11/26
Another instalment in the WordPress Missed Schedule series (:
Each version, Delphi gets more features, and grows bigger.
Especially in testing environments (where you want to have a cut-down base machine you can clone from), it is wise to cut down on the installation size.
A few directories you might want to consider compressing for your Delphi installation:
C:\Users\All Users\{*}
The directories with GUID names contain the installer cache. You can ditch the whole installer cache if you keep ISO images of all installations. I prefer just to compress these directories.
Compressing usually saves 50% of the storage there, which can count for 5+ gigabyte of savings for the newest Delphi version.C:\Users\Public\Documents\RAD Studio
Contains (among others) the help files and SVN examples, and (for the most recent version) the Platforms SDKs.
Saving is usually a couple of 100 megabytes for less recent Delphi versions until about 1 gigabyte for the most recent.C:\Program Files (x86)\Embarcadero\RAD Studio\#.0\lib
This contains all the precompiled files. Since they are readonly in nature, it pays of compressing them, usually saving 50% or more.
Saves 5+ gigabytes for the most recent Delphi version.
–jeroen
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