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Type: Posts; User: Jose_VB

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  1. VS 2013 Re: Newbie question about RichTextBox font color change

    I describe the situation.
    I have just one single line of text that is "123456789"
    If I execute


    RTB1.Select(2, 4)
    RTB1.SelectionColor = Color.Red


    I obtain:
  2. VS 2013 Re: Newbie question about RichTextBox font color change

    Thank you very much. That it was the information I was looking for.

    I am going to tell you in detail what I was doing:
    I have the text "123456789" in the first line of the richtextbox. When I...
  3. VS 2013 Newbie question about RichTextBox font color change

    Hi there, I am programming a simple software where I want to change the color of specific words.

    I am using richtextbox control and to change the color of the font, first I have to select the text...
  4. Difference between form scalewidth and width, VB6

    Hey, I have been reading about the differences between .scalewidth and width and I have confirmed these difference in a picturebox.

    The picturebox .width is the size, and .scalewidth is the usable...
  5. Problem with public variable - Not possible to get its value

    I have created a module where I declare a Public variable.

    Public Const MyVariable = 5

    In another form I try to get its value and show it in a MsgBox

    Msgbox MyVariable

    I get an empty...
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    Removing information from a string? VB6

    Hello, I have a *.txt file and inside it contains lines with information (each block of information in a new line). This information has a similar pattern:
    2014.05.26 11:45:00,67.14975845410586
    ...
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    Re: Reading tones from *.wav files?

    I'm reading your posts and I understand a little bit better. But I've a big problem understanding things and I've to ask lot of questions to fully understand the concept.

    Well, Imagine that I've a...
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    15,443

    Re: Reading tones from *.wav files?

    I'm reading it :)
  9. Replies
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    15,443

    Re: Reading tones from *.wav files?

    I've found a module and I've an output of unsigned integers (0 to 255) that correspond to microphone audio. I would like to know how can I pass that microphone bytes to the FFT module and interpret...
  10. Replies
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    Re: Reading tones from *.wav files?

    I've found this code: http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=68324&lngWId=1

    Where I'm going to load the byte array of the 8-bit mono wav file and see what happens.
  11. Replies
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    15,443

    Re: Reading tones from *.wav files?

    I've been reading a part of that website that you've suggested to me.
    One question... when we speak about correlating the waves, what that means?
    I've seen that maybe correlation is about...
  12. Replies
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    Re: Reading tones from *.wav files?

    Hello again,
    I'm still with this question and I understand it a little bit better.

    At this moment, I can read the single bytes (8-bytes, mono) of the *.wav file. So I understand that each byte...
  13. Re: How to obtain buffer data from live audio?

    Thank you very much. You always show very interesting projects.
  14. Re: How to obtain buffer data from live audio?

    I've found a code in planet source code where I can see waveform of live audio and get the information, in byte form, of the audio....
  15. Re: How to obtain buffer data from live audio?

    Ok, tell me the result when you know it.
  16. Re: How to obtain buffer data from live audio?

    Well, I call it 'real time audio' but I'm refering to manipulate audio without saving it in a file. I mean to get the input from the michrophone and work directly with it. I don't know if that is...
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    7,125

    Re: Graphical waveform representation?

    Yes, I'm testing the code and it's very helpful. Thanks!
  18. [RESOLVED] How to obtain buffer data from live audio?

    I'm working with audio and I've a question about how can I obtain the wave audio information from the buffer.
    As you know, in the *.wav file the audio information starts (usually) from the byte #45....
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    Re: Graphical waveform representation?

    I've been reading the link that VBClassicRocks posted and I've a more clear idea.
    In the code I'm writting, I use only 8bit-mono files because I think they're the easiest one.

    After reading the...
  20. Replies
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    7,125

    Re: Graphical waveform representation?

    Thank you, I've read it.
  21. Replies
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    Re: Inverse coordinate system? How?

    Just one observation.

    It works, but instead of using .Height I used .ScaleHeight

    Thanks anyway.
  22. Replies
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    [RESOLVED] Inverse coordinate system? How?

    I'm just using

    Picture1.Line (x1, Y1) - (X2, Y2)

    for drawing some lines in the control.

    The problem appears when I got a reverse line. I mean, in the VB6 coordinate system, the 0 value of Y...
  23. Replies
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    Re: Graphical waveform representation?

    Yes, that is what I want.
  24. Replies
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    7,125

    Graphical waveform representation?

    I want to 'draw' a waveform from a file on a picturebox control.
    I don't know exactly how to approach the problem and I want to ask here some questions.

    In the first version of the program, I...
  25. Re: Getting specific information from a file?

    Thanks to all.
    Resolved.
  26. Re: Getting specific information from a file?

    Dim a string with a lenght of 4? How can I do that?
  27. [RESOLVED] Getting specific information from a file?

    I open a wave file using


    The file is a *.wav file and I want to read some specific information like channels, strings, etc...

    To read how many channels the audio file contains I use:


    I...
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    836

    Re: How to use this code?

    Thanks, I'm reading it.
  29. Replies
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    836

    Re: How to use this code?

    It doesn't works.
    Error: ByRef argument type mismatch.
  30. Replies
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    836

    [RESOLVED] How to use this code?

    I've found this code here:
    http://www.planet-source-code.com/vb/scripts/ShowCode.asp?txtCodeId=444&lngWId=1

    I create a module and I paste all the code.

    Well, the next step I want to do is to...
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    How to analyze live audio from microphone?

    I know there is possible to analyze audio if the program opens a *.wav file and reads it. I would like to know how it's possible to analyze audio directly from the sound card.

    I'm interesting in...
  32. Re: How to approach this problem? predictions and statistics

    ¿no one has an answer?
  33. How to approach this problem? predictions and statistics

    I open this thread because I don't really know how to approach this problem.

    I've a file that contains a few thousand lines of values of the same variable. The values of that variable can be...
  34. Re: [RESOLVED] How to prevent to open a new dynamical form in runtime in this case?

    Thank you very much for the information. I really appreciate it.
  35. Re: How to prevent to open a new dynamical form in runtime in this case?

    thank you very much LaVolpe. That information is high enought to solve the problem.
  36. Re: How to prevent to open a new dynamical form in runtime in this case?

    Well, I don't explained the mechanism very well sorry. I tried to explain that only the frmChildForms can modify the LastActiveChildForm. You've correct when you say that the other form would update...
  37. Re: How to prevent to open a new dynamical form in runtime in this case?

    I'm carefully reading your answer. The line has to be drawn in the last active frmChildForm and it's not user-directed. I think the program will need to select the form via ZOrder, because the...
  38. Re: How to prevent to open a new dynamical form in runtime in this case?

    I've found it. Thank you. It works ok.

    I've another question. In this case I don't have any problem because the secondary form where I press the button 'Draw a line' is not an mdichild. But...
  39. Re: How to prevent to open a new dynamical form in runtime in this case?

    I'm looking something like that but I cannot find .ActiveForm property. I'm looking for it.
  40. [RESOLVED] How to prevent to open a new dynamical form in runtime in this case?

    I've a mdiparent form where I load multiple mdichild forms. These mdichild forms are the same form with different data (the program is based on data analysis, so I can open multiple files and create...
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