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    Re: Some thoughts on VB6 forum

    No, perhaps you have misunderstood what I mean. I have never opposed others hijacking my thread, but when some people are not discussing issues, but speaking with a quarreling attitude and purpose, I...
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    Some thoughts on VB6 forum

    For the thread "VB6: Question-Databases, where do I start?", I have some thoughts.

    If A puts forward a wrong point of view, if others do not correct his wrong point of view, then the wrong point...
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    Re: Collection, array and database

    Yes, I sometimes deliberately write some kiddie-code, this is for the needs of extreme testing. But the problem now is: Chrome browser will also appear "Out of memory" when executing similar code....
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    Re: Collection, array and database

    Yes, SQL Server does not have to worry about memory issues, but this also means that SQL Server will put most of the data on disk instead of process memory, so the performance of database operations...
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    Re: Collection, array and database

    I remember that Sqlite.MemDB will automatically use some disk space to store data when the process memory is insufficient. I don't know if my memory is accurate.
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    Re: Collection, array and database

    Yes, using a database to replace collections seems to be the only feasible way at the moment, but the entire program seems to need to be rewritten. Before rewriting, I also need to test the...
  7. Re: [RESOLVED] VB6: Question - Databases, where do I start?

    Hi yereverluvinuncleber,

    I don't know if your program really needs a database. But since you have developed your own database, you only need to provide your database interface, and the enthusiasts...
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    Collection, array and database

    When my program is using collections and arrays to analyze some huge data, the memory consumed often exceeds several thousand M-Bytes, which often results in "Out of memory".

    I'm thinking about...
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    Re: About array

    VB6 has too many restrictions on UDT. It would be great if we could break through the restrictions on UDT by VB6.
  10. Re: About VB6 AST (Abstract Syntax Tree)

    @IndicSoftware,@wqweto,

    Thank you very much for the information you provided, they are very useful to me. GoldParser and ANTLR will be my focus of study. In addition, I also found some information...
  11. [RESOLVED] About VB6 AST (Abstract Syntax Tree)

    I'm currently analyzing/parsing the VB6 grammar structure. I'd like to know what tools (open source or closed source) can generate abstract syntax trees of VB6 code? (Preferably something like...
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    Re: VB6 HTMLGrid-UserControl

    You are an expert in user control, and perhaps you could use OP's example as a seed to cultivate a beautiful garden. Web-based controls will greatly extend the scope of VB6 applications.
  13. A Chinese vbRichClient interfaces introduction (2013)

    I just saw a Chinese vbRichClient interfaces introduction (2013), hope it will be helpful to some people.

    https://www.cnblogs.com/Spacecup/p/3488595.html

    ArrayList...
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    Re: About RC6.cDataSource

    Very smart code, thank you, Olaf.



    I think your judgment is very close to the truth, that is, it may be related to "out of memory-problem". Because when I use cWebView2 to execute JS code to...
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    Re: About RC6.cDataSource

    My code is like this:


    Private Sub InitDataSource(sJSON As String)
    RemoveTreeCtrl

    Set mDS = New_c.DataSource

    If Len(sJSON) > 0 Then
    mDS.Init...
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    Re: About RC6.cDataSource

    Dim oDS As cDataSource
    Dim oList As cCollection

    Set oDS = New_c.DataSource

    Set oList = New_c.Collection
    oList.Add "ABC"

    oDS.Init oList, vbNullString
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    Re: About RC6.cDataSource

    Yes, I guess the reason for the error of oDS.RecordCount is that oDS.RecordCount is equivalent to oDS.RS.RecordCount, that is, when cDataSource is not initialized, oDS.RS is nothing, or...
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    Re: About RC6.cDataSource

    When you execute "Set oDS = New_c.DataSource", oDS is not nothing.

    I guess the reason for the error of oDS.RecordCount is that oDS.RecordCount is equivalent to oDS.RS.RecordCount, that is, when...
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    [RESOLVED] About RC6.cDataSource

    If cDataSource is not initialized, an error message will appear when accessing the properties of cDataSource:
    Run-time error '91':
    Object variable or With block variable not set.



    Dim oDS...
  20. [RESOLVED] About RC6.cInterfaces

    I need to use cDynFactory frequently in my work. But now there are always some strange phenomena:

    For example, MyTestForm uses cDynFactory to perform a series of operations:

    (1) In VB6-IDE,...
  21. Re: Can VB simulate the struct of C language?

    Thank you all for your replies.

    (1) I've ported a lot of Delphi code to VB6, and I succeeded.
    (2) I've also ported a lot of C# code to VB6, and I was also successful.
    (3) Now I'm going to port...
  22. Re: Can VB simulate all pointer operations in C language?

    In theory, it should be possible.

    It's just that those who can do it are already very proficient in the C language. For them, it is not necessary to simulate the pointer operations of the C...
  23. Re: Can VB simulate the struct of C language?

    Thank you, dz32.

    Yes, I need to simulate the bitfields and unions of C-struct, and I also need to simulate the function pointers of C-struct.

    C language is not a very complicated language,...
  24. Re: Can VB simulate all pointer operations in C language?

    C language is not a very complicated language, it's much simpler than C++. It's not only suitable for junior programmers to learn, but also leaves infinite vast development space for advanced...
  25. [RESOLVED] Can VB simulate the struct of C language?

    C language has no class, only struct. I know that VB6 can implement "LightWeight COM" or "C-style Class-implementation" through vbIUnknown, vbIDispatch and VTable.

    I'd like to know whether VB6 can...
  26. [RESOLVED] Can VB simulate all pointer operations in C language?

    We know that C language is a highly efficient language. The main reason for this is that C language uses pointers to directly manipulate memory in most cases. I'd like to know whether VB can...
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    Re: What song are you listening to right now?

    Removed Chinese link
  28. Re: Running VB6 desktop app in windows 2016/2019 Terminal server or in Cloud

    IMO, if you use VB6 (new components and new architecture) to rewrite your old VB6 monolithic app, you can completely (almost 100%) realize all the features/effects of VB.Net/C# app, and it will only...
  29. Re: [RESOLVED] How does VB6 indicate that a number is infinite or infinitesimal?

    It doesn't matter,thank you, WaynePhillipsEA, and thank dilettante too.

    In addition, I wish your twinBasic success. Although I haven't tested twinBasic carefully, I've been paying attention to the...
  30. Re: [RESOLVED] How does VB6 indicate that a number is infinite or infinitesimal?

    Hi WaynePhillipsEA, thank you for your reply.

    On my computer(32-bit, win10), when executing FV(1, 1234, 1, 1), the system will display "Overflow", even if the option "Remove Floating Point Error...
  31. Re: [RESOLVED] How does VB6 indicate that a number is infinite or infinitesimal?

    Very useful article, thank you, dilettante.

    After checked the option "Remove Floating Point Error Checks.", compile the statement "Msgbox 0#/0#", it can display NaN(-1.#IND) in the exe mode. But...
  32. Re: [RESOLVED] How does VB6 indicate that a number is infinite or infinitesimal?

    Yes, I'm a bit too ambitious. I have been doing something beyond my abilities. However, my project has been making continuous progress, but the progress is lower than my expectations.

    Maybe one or...
  33. Re: [RESOLVED] How does VB6 indicate that a number is infinite or infinitesimal?

    Yes, what you said is very reasonable.

    From a language point of view, VB6 is not a modern language, nor can it be called an excellent language. But VB6-IDE is really great. I don't want to expand...
  34. Re: How does VB6 indicate that a number is infinite or infinitesimal?

    I found the following thread:
    https://www.vbforums.com/showthread.php?860189-IEEE-Doubles-NaN-Infinity-etc

    Elroy proposed a NaN algorithm, but since it cannot perform any comparison operations...
  35. [RESOLVED] How does VB6 indicate that a number is infinite or infinitesimal?

    Many languages (such as C#, JS) have numerical infinity, for example:


    5.0 /0.0 = Infinity
    0.0 / 0.0 = NaN (Not a Number)


    I'd like to know how VB6 indicates that a value(number) is infinity...
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    Re: https://www.radbasic.dev/

    twinBasic is progressing well now, how is the progress of RadBasic?
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    Re: Interesting code

    No, there is a huge difference.



    Obviously, the code above is not as cool as Elixir's
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    Re: Interesting code

    My point is: Maybe we can add a similar syntactic sugar to VBScript.Next.



    I haven't thought about implementing a similar grammar in VB6, but some new languages related to VB6 may consider...
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    Re: Interesting code

    Hi peterst, thank you for your example. Your example shows "Object Chaining" (Object Method Chaining), which is a builder design pattern.

    But have you noticed that your example is very different...
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    Re: Interesting code

    Please write a VB6 example. Thanks.
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