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Type: Posts; User: Schmidt

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  1. Replies
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    Re: LoadLibrary Issues

    Yes, there could still be a problem - e.g. consider the scenario:
    - you find nothing on the system and "dynamically install" your OCX
    - the next program (App2) which comes along, doing a proper...
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    Re: LoadLibrary Issues

    Maybe contacting (bumping) the Author wqweto directly (per Forum-Message) will help?
    (I'm not sure, if he is aware of this thread).

    Before doing so, it would help tremendously when you could...
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    Re: LoadLibrary Issues

    That's not really the issue here Anatoli, since what the OP has in mind,
    is shipping his application regfree (e.g. in a Zip) - aka "XCopy-Deployment"
    (where placing a few Satellite-Dll-Binaries in...
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    Re: LoadLibrary Issues

    I guess not - what dilettante had in mind, is the systems SxS (SideBySide-assembly) support,
    which is an alternative way (to using DirectCOM.dll) for regfree support.

    It works by defining a...
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    Re: Fill GDI+ Path with an image?

    Since you mentioned "Handles" (aka "ControlPoints") - how many of them do you plan to use
    in your "Image-Warping"?

    If its really only four of them - and the Path which meets the Control-Points is...
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    Re: Call VB Built-In Functions by Name

    All of the 3 things you mentioned above (building, sorting and searching) are available
    in the cSortedDictionary-Class of the RC5 (which so far is the fastest Container in the
    COM-world for...
  7. Re: [VB Rich Client 5] - Getting out of memory error when opening RS

    Ah - good it's solved already...

    Maybe a note with regards to the cRecordsets, how they are retrieved,
    based on the underlying Select-String...

    Other than with ADO-Rs, the RC5-implementation...
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    Re: Fill GDI+ Path with an image?

    What kind of Path do you have in mind, can you show the outline of the Path-Shape,
    the Image will finally have to fit in?

    A concrete approach will depend on the complexity of that path...

    Olaf
  9. Re: Use COM Dll created in .NET with DirectCOM from VB6

    Well, the message states exactly what the problem is...

    A (semi-compiled to MSIL) .NET-assembly is not working with the Systems
    Std-Dll Loading-Mechanism...

    There's ways to instantiate...
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    Re: Call VB Built-In Functions by Name

    Was only kidding of course - since in VB6 I can do basically the same thing as shown in the C#-Map-Example,
    with basically the same amount of code (in case I want - or need such functionality...
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    Re: Call VB Built-In Functions by Name

    I guess you're right, with VB6 we would perhaps have a hard time, to achieve the elegance as
    e.g. in this C# example (a Mapping-Delegation, for flexible Formatting of List-Members):



    static...
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    Re: Windows 10 and vbNewLine

    Against myths there's a cure, called "own observation" (and as developers, we prefer code for that)...

    Here's some simple test-code I knocked together (took me about 1 minute, and I guess that...
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    Re: Windows 10 and vbNewLine

    To add to that...
    The platform-specific differences (of the Char-contents of the vbNewLine-Constant) -
    are then ensured over platform-secific *compiles* of an appropriate Runtime-Lib, so that...
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    Re: Call VB Built-In Functions by Name

    Sure, if you take a look with the ObjectExplorer, you'll see Modules.Add...

    And with that, you can decide what modules you "beam" into the Scripting-Context
    hidden from the User (e.g....
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    Re: Windows 10 and vbNewLine

    Wine can run P-Code as well.

    P-Code is "native-x86-code-in-PE-format" too, just that nearly each atomic Operation
    is calling into the vbRuntime (and the runtime needs to be installed on Wine in...
  16. Re: Which is a faster method for appending byte arrays?

    PNG-support (based on libPNG) came with the cairo-sourcecode-package from:
    http://cairographics.org/

    SQLite-support came from the sourcce-code-package on:
    https://sqlite.org/
    ...
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    Re: String Out Of Space ???

    If (as you wrote) your typical Sound-Sample-Files are about 2-3MB on average,
    and you then (pre)load 2048 (2K) of them into memory (perhaps as normal VB-WStrings),
    then you would make a...
  18. Re: Which is a faster method for appending byte arrays?

    Ah - well WIA is not the best choice when it comes to fast JPG-decoding -
    and also your stream-parsing-code was not really up to the task - e.g. I couldn't
    get it to work with the VLC-Player in...
  19. VB6 fast MJPG-Stream-Decoding from (http-streamed) WebCams - vbRichClient5

    Ok, the title is mentioning it already - this Demo is related to the decoding
    of "true WebCam-streams" (not to the Cams, which hang on your USB-port),
    and those Internet-Cams are usually directly...
  20. Replies
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    Re: String Out Of Space ???

    Yep - and since the achieved size is by orders of magnitude higher than what the OP accomplished,
    I suspect that there's something "already seriously messed up" in the Applications Mem-Handling...
    ...
  21. Thread: Graphics Lag

    by Schmidt
    Replies
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    Re: Graphics Lag

    Also have taken a shot at this, using no Picture- or Image-Controls, but two normal,
    small Classes instead:

    cSprites.cls (which aggregates the Sprites in a Collection and offers an Add-method)
    ...
  22. VB6 Handling of PNG-Sprites in a Game-like Scenario

    Well, this small Demo shows, how to properly handle a Sprite-based "Game-Scenario"
    (using a 64x64 tiled Map of "plain-Grass") - as well as a few other "static Sprites"
    (as unmoving Trees, and two...
  23. Re: Array not copying [veeeery weird] ????????

    You left out a lot of code.

    As LaVolpe was saying, the declaration of the arrays (and the array-type) would have been nice to see.

    Also the current Value of your Array-Index 'No'.

    And thus,...
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    Re: Call VB Built-In Functions by Name

    Sure, can do - but your results, where you ran my original example:


    CallByName: 533,688 calls/sec
    DispCallFunc: 387,939 calls/sec
    Direct-Calls: 7,680,000 calls/sec

    ...are not *that* far...
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    Re: Displaying Rows inDifferent Columns SQL

    Yep, for JET-SQL the IIF-function can do similar things - and then there's the
    direct result of a boolean expression, which evaluates to either 1 or -1 ...

    The following code works for JET-SQL,...
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    Re: Call VB Built-In Functions by Name

    And in addition to the above performance-comparisons, here a variant which
    approaches the problem directly from within VBScript (which is my recommendation,
    because it allows the highest amount of...
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    Re: Call VB Built-In Functions by Name

    And to add an interesting snippet to what was said above...

    One can use an alternative way of defining "ByName"-callable Functions,
    using a simple (Select Case based) Wrapper-Function...

    ...
  28. Replies
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    Re: Call VB Built-In Functions by Name

    I hope you will succeed - though have to say (now that I see, how you work with the DispCallFunc-API,
    by redefining Functions in a *.bas-module) - that you can do the same far more easy by putting...
  29. Re: How to use ADODB.Recordset.Fields to append a field that can save large string?

    But the OP came from a different direction here, creating a free-standing Rs,
    as a pure DataContainer (without any DB-connection - as seen in his first post):

    rs.fields.append StringVariable,...
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    Re: VB6 SP6 IDE array allocation limit

    Reads like an "online-game"-scenario (with that amount of "2Mio. individuals, which can possibly interact").

    So maybe we should get a bit more concrete - and look at the problem from an...
  31. Re: How to use ADODB.Recordset.Fields to append a field that can save large string?

    An Enum-Value is an Enum-Value.

    And most of the VbVarType Enum-Values have their identical counterparts in the ADO-FieldType-Enum-Values.

    Here's what my DirectWindow puts out in a short...
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    Re: VB6 SP6 IDE array allocation limit

    Cannot imagine a kind of calculation, which woud involve *all* of the "50-200 columns"
    in a formula or something.

    Often there's not even all of the rows needed (unless you perform some kind of...
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    Re: PaintPicture to backdrop

    Here's my take at it, using the cairo-wrapper-classes from vbRichClient5

    Modern graphic-libs support different kinds of "pattern-creation" (which can be
    used in Paint- and Fill-routines against...
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    Re: Call VB Built-In Functions by Name

    I highly doubt, that pure (native compiled) VB6-code comes out with roughly the
    same calling-performance, compared to DispCallFunc-triggered calling...
    (as in your 10,515,088 for Vb6-native vs. ...
  35. Re: Which is a faster method for appending byte arrays?

    I seriously doubt, that the parsing of the JPG-Bufs (out of the http-socket-stream) is the limiting
    factor in such a scenario.

    Either you're doing something *extremely* wrong, or the WinHttp...
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    Re: HUGE BIG txt file

    In case you only want to find out the amount of lines in the file (as the posted code did)
    and since in your case, you have a fixed amount of "chars per line", is it not enough to do:


    ...
  37. Thread: Sorting

    by Schmidt
    Replies
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    Re: Sorting

    In case it's:
    - JET-SQL (when you work against an *.mdb)
    and
    - your Text-DataField always starts with a single Alphabetic-Char, followed by numeric chars...

    ...then your Order By Clause could...
  38. Re: Which is a faster method for appending byte arrays?

    What I do in my own MJPG-streaming-solutions (which are able to handle
    up to 16 parallel incoming camera-streams with up to 100Hz framerate -
    each stream-socket handled in a separate thread), is...
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    Re: Call VB Built-In Functions by Name

    Still can't see, how calling a function by name comes into play here...

    Why not simply give an example for only a really small snippet of your "text-data-stream" -
    only 200 chars long ...
    And...
  40. Thread: Print QR code

    by Schmidt
    Replies
    3
    Views
    206

    Re: Print QR code

    In case the Printer allows its Output only per Character-Sequences
    (although in the ESC/P link you gave, also a "Graphics-Mode" was mentioned) -
    I guess it is down to "ASCII-Art"...

    The usual...
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