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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for January 9th, 2019

Getting the class from an TRttiProperty by using MetaclassType

Posted by jpluimers on 2019/01/09

Basically I learned that I should not only look for ClassType, but also for MetaclassType: [WayBack] Not a major problem, but given that xProp is a TRttiProperty instance is there a better way to get the ClassType of a property that is tkClass? – Chad Hower – Google+:

Chris Rolliston

The System.Rtti way is this –

x := xProp.PropertyType.AsInstance.MetaclassType;

Been in since TRttiContext was first added, IIRC.

It indeed has been documented since Delphi 2010: [Archive.is] Rtti.TRttiClassRefType.MetaclassType – RAD Studio VCL Reference

–jeroen

Posted in Delphi, Development, Software Development | Leave a Comment »

Converting html fragments to reStructuredText

Posted by jpluimers on 2019/01/09

Though normally you would write documentation in reStructuredText, then generate HTML or PDF, often you find a part of the documentation source in HTML.

Here are some sites and tools I’ve used to convert HTML fragments to reStructuredText. I favour on-line over local command-line tools as usually these kinds of conversions are “one-time only”.

–jeroen

Posted in Development, Lightweight markup language, reStructuredText, Software Development | Leave a Comment »

List of Shell GUIDs for various Windows versions for use in shortcuts and batch files

Posted by jpluimers on 2019/01/09

In my search for starting the Windows Credential Manager from the console, I found [WayBack] Credential Manager Shortcut – Create – Windows 7 Help Forums explaining:

%windir%\explorer.exe shell:::{1206F5F1-0569-412C-8FEC-3204630DFB70}

This reminded me of From batch file or shortcut: start Windows Update (via: Windows 7 Help Forums) and batch-file trick: Starting Windows Explorer and selecting a file (“explorer” commandline parameters “/n” “/e” “/select” “/root” “/start” site:microsoft.com).

The odd thing is that some of the GUID shortcuts works fine using the shell::: syntax, but fail with the /e:: syntax, for instance Windows Update until Windows 8.1:

%windir%\explorer.exe shell:::{36eef7db-88ad-4e81-ad49-0e313f0c35f8}
%windir%\explorer.exe /e,::{36eef7db-88ad-4e81-ad49-0e313f0c35f8}

One day I’ll create a table of permutations for various Windows versions and execute options.

For now these links need to suffice:

–jeroen

Posted in Batch-Files, Development, Power User, Scripting, Software Development, Windows, Windows 10, Windows 7, Windows 8, Windows 8.1, Windows 9 | 1 Comment »

 
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