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Type: Posts; User: Schmidt

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  1. Replies
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    Re: Static Functions of VB6

    If you implement lightweight COM-Classes in VB6, you'll do that in *.bas Modules as well -
    and then the "Static" functions are just "Public" functions in such a Module.

    Olaf
  2. Re: How to create a multires icon DLL with sizes up to 256x256 like shell32.dll?

    Why do you want to use a *.dll as the "container-file"?

    There's much better (non MS-specific) "Single-File-Containers" for storing resources -
    (as e.g. a Zip-archive - or an SQLite-DB or a...
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    Re: Need help - about RC5 drawing

    Yep, "figuring it out oneself" (based on the Cairo-Tutorial) is how one should approach the Cairo-Wrapper.



    That problem is a bit "special" (not covered by the tutorial) -
    but the following...
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    Re: Microsoft.ACE.OLEDB problem

    Do you have a (PSC-Github)-Link or a Zip-File for that original database-project?

    Olaf
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    Re: Microsoft.ACE.OLEDB problem

    Certainly (much) slower than SQLite, but decent enough for normal purposes.

    Olaf
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    Re: Microsoft.ACE.OLEDB problem

    Nope, MS never produced a Jet-DBEngine in version 40: https://en.wikipedia.org/wiki/Microsoft_Jet_Database_Engine

    The OleDB-Connectionstring for the one I mean, is:...
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    Re: Microsoft.ACE.OLEDB problem

    So, if your goal is to use a SingleFile-Desktop-DB "without deployment-hassle" with your App, you have two choices:
    1) use the JET4-OleDB-Driver (which comes preinstalled and requires no deployment...
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    Re: Some thoughts on VB6 forum

    No, to explain again...

    I was not arguing with Niya just for the sake of arguing.

    Instead I was correcting his wrong statement, which basically was:
    - VB6 is not the right tool, to write...
  9. Re: [RESOLVED] VB6: Question - Databases, where do I start?

    Yep, that's (IMO) what Niya does not keep strictly separated currently (what exactly runs client- or serverside in a modern SinglePage-WebApp).

    To write a modern WebApp, "starting a local...
  10. Thread: About array

    by Schmidt
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    Re: About array

    ... on Public interfaces of your own, self-compiled COM-Binaries, that is ...

    On the inside of your Binaries, UDTs offer significant performance-advantages over Classes
    (when you have to handle a...
  11. Re: VB6: Question - Databases, where do I start?

    Which contained about 90% uninformed nonsense (especially with regards to "the role of VB in modern WebApps").

    It's possible since about 20 years, to develop (and rollout) modern and fast...
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    Re: Curiosity! (about Controls at Runtime)

    You've overwritten your (single) WithEvents-Variable (cmdButton) with the second CommandButton-instance.
    To do it properly, you'd have to define one WithEvents-Variable per added Control.

    As for...
  13. Re: Connectivity to Oracle broken after lates Win10 update

    32Bit OleDB-Client-Drivers (in version 12.2) are available here:
    https://www.oracle.com/database/technologies/odac-nuget-downloads.html

    Olaf
  14. Re: How to access SQLite database file's Application ID in vb6 using VBRC6?

    This sounds, like a simple DB-Encryption(Key) would solve it...
    (more reliably than using an SQLite-FileHeader-Field which could be read or overridden by anybody).

    Olaf
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    Re: About RC6.cDataSource

    Well, you could write it this way, to avoid an "uninitialized mDS-State":


    Private Sub InitDataSource(sJSON As String)
    RemoveTreeCtrl

    Dim jsObj As cCollection
    Set jsObj =...
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    Re: About RC6.cDataSource

    Sure, if you don't give a unique Key for the DataSource in the Init-call, then you should use:
    If oDS.DataSource Is Nothing Then ...
    instead of the Key-based check...

    But as said, such a check...
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    Re: About RC6.cDataSource

    No, a simple check like:
    If oDS.DataSource Is Nothing Then ...
    or (alternatively)
    If oDS.Key = "" Then ...
    would be sufficient.



    The cDataSource-Class was written, to host 3 different...
  18. Re: RC6 SQLite - how to store/read a LONG-Array?

    Yep, that's the reason I made the comment in #6:

    "All 3 methods should work (as long as your Arrays have an Lbound of Zero)."

    Olaf
  19. Re: RC6 SQLite - how to store/read a LONG-Array?

    Your CopyMemory-call needs to be adjusted to either:
    Redim LArray(0 To UBound(bArr) \ 4 ) As Long
    CopyMemory ByVal VarPtr(LArray(0)), ByVal VarPtr(bArr(0)), UBound(bArr) + 1

    or...:
    CopyMemory...
  20. Re: RC6 SQLite - how to store/read a LONG-Array?

    It could (when you pass it the Pointer to the first member - and the right ByteLen)...

    But generally, when you deal with Blobs, you deal with ByteArrays.
    So, what you'll get back (in a Recordset)...
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    Re: run time error

    Judging from the amount of TextBoxes on your Form, you're probably organizing them in a kind of "Grid".

    And that's usually not the way to go...
    Instead (for that amount of Text-inputs), you...
  22. Re: Help me i'm drowning in my source code, hey dudes

    I've uploaded this PRNG-based "crypto-routine" about 20 (25?) years ago in the ms-vb6 NewsGroup.

    Olaf
  23. Re: Help me i'm drowning in my source code, hey dudes

    I'd suggest to make these 2 Bytes of yours -> Zero-Bytes...

    Then combine these with a Zero-Point-Device - and you can prodcue basically evrything from that...
    (Free-Energy, Black-Matter, Black...
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    Re: Template for RichTextBox

    I hope you do... (not sure, whether you've properly tested the "Write-Direction" I've covered in the example above yet).



    As said, get rid of any RTF-TextBoxes... (they are not needed with this...
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    Re: Template for RichTextBox

    Not sure, what you mean, because the goal should be, to get rid of any RTF-Texts (or -Controls).

    If I understood you correctly, then the scenario is a bit like a questionnaire, and you need:
    - a...
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    Re: Template for RichTextBox

    If you really want to do that, then don't go down the "RTF-route", I'd say...

    Everybody is using HTML these days to show, edit and render "RichText"...

    And if your "RichText" has (on top of...
  27. Re: About RC6.Collection.Prop (JSONObject.Prop)

    The example does not look very realistic to me.

    Why does an ID-Property has to be an Object (it usually is a Value-Type, like a String or an Integer).

    Furthermore, when the ID-Prop (for some...
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    Re: Change Event of Textbox

    I'd handle that in a dedicated ChangeIDto(NewID) routine:



    Sub ChangeIDto(NewID)
    tbID.Text = NewID 'just reflect the ID in a disabled TextBox
    ShowData NewID 'do some additional action,...
  29. Re: Convert SVG shape to cairo path for clipping operation with RC5/RC6 in vb6

    Sorry for the delay...

    I could probably provide the cSVG-Class with a few more methods, to "ease access of the DOM-Nodes" from the outside -
    but then - there's already cSimpleDOM, which allows...
  30. Re: [RC6]Install,Is RC6 unable to register under XP system?

    There already is such a thing (without the exclusive features of the RC6) -> RC5 works on XP.

    In most Projects it is really just a switch of the reference - then recompile - and you are back in...
  31. Re: Explanation of bi-dimensional Arrays ... Please!

    Not sure, but perhaps the OP wants to use Z as a kind of "LookupTable"?
    (to speedup string-concats or something)....



    Option Explicit

    Private Z() As String 'make Z reachable at...
  32. Re: [RC6]Install,Is RC6 unable to register under XP system?

    The problem goes deeper than that, because there's several exports (from common Win32-Dlls),
    which are simply not yet included in the system-libs on XP.


    Good you brought up *this* example -...
  33. Re: [RC6]Install,Is RC6 unable to register under XP system?

    RC6 is for Win7 and higher Win-OSes (due to dependencies on more modern VC++ runtimes in its satellite-Dlls).

    RC5 on the other hand should work well on XP.

    Olaf
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    Re: Problem parsing a pdf

    You might want to do that via pdfium: https://www.vbforums.com/showthread.php?878003-VB6-PDFium-Binding-(Viewing-Text-and-ImageExports)

    HTH

    Olaf
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    Re: SQLite & RC 5 query for month and year

    I wouldn't use any extra-calls to SQL-functions (like strftime) in the Select...
    instead the "Where MyDate Between ..." should perform nicely, directly on the Field-Value.

    So, what remains is:...
  36. Re: How to open file, search text and formatting in vbrichclient?

    For (forced) LineBreaks you can use the <br> tag...
    For alignment-definitions of whole "paragraphs" you can use the <p> tag...
    For example:

    <p style="text-align:right">This is some text in...
  37. Re: What is the future of VB.Next's UI?

    I'd make this at least 20 years or more...

    There's a whole lot of professions/branches, where you *need* to use a large Screen
    (many workplaces with even dual-screen-setups)...

    So the...
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    Re: VBRichClient Image sizing

    Yes, all RC6-Img-Loading-Methods accept either a passed FileName or a ByteArray (in the same Variant-ByRef-Parameter).
    There's an auto-detection of the ImageType (directly on the ImageByte-Content),...
  39. Re: Convert SVG shape to cairo path for clipping operation with RC5/RC6 in vb6

    Could you upload an example for an svg-file (which defines such a Clip-Path)?

    Olaf
  40. Re: How to open file, search text and formatting in vbrichclient?

    Since you apparently have normal "plain-text" as input-data (with a few "self-invented" format-tags)...

    Why not change the formatting of such text to html, which (for simple formats as "bold" and...
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