FileToArray or readline to read a file and displays the information in a textbox control

CVI, I am a beginner and I have a few basic questions.
I am currently using CVI 2009th

I want to open a file and transform it into another format. The most important information to be included on the GUI.

The text display, I use the text box.

With readline, everything has worked, but for my rows of data is rather impractical.

That's why I tried the same thing with FileToArray. But the table does not appear in the text box.

I don't know exactly how works the text box. Is - that the textbox is a page break after a certain number of characters? Or I can write a text in succession away?

Here are a few lines of my code.

FileToArray

FileToArray (road access, & fcsLine, VAL_CHAR, fcsfile_numberofelements, 1, VAL_GROUPS_TOGETHER, VAL_GROUPS_AS_ROWS, VAL_ASCII);

What is the proper way to display text with filetoarray?

SetCtrlVal (tabPanelINFO, TABINFO_FCS_VERSION, fcsLine);

InsertTextBoxLine (tabPanelFCS, TABFCS_FCSBOX,-1, fcsLine);

ReadLine

While ((fcsfile_open, fcsLine, fcsfile_numberofelements) ReadLine > = 0)
{

InsertTextBoxLine (tabPanelFCS, TABFCS_FCSBOX,-1, fcsLine);

}

OK I found documentation on the format of your data, and it seems at the first glance not so difficult to decode.

A few answers to your questions:

1. opening a file in ASCII mode allows the system to recognize and welcome the correct new line character (the one that allows to ReadLine to interrupt playback) sequence. As you treat binary data may be ASCII option is not the best, you can use

2. using a data structure or by analysing the single lines in significant variables is somewhat equivalent: in my opinion, the structure is more immediate, she may not need any extra data setting to use correct variables populated by vales (depends on data format and packaging data: little - endian or big-endian and so on)

3. as much as I've seen in the part of the file that you have posted, the hexadecimal bytes you observe are not in the file: they are only a means of your Viewer uses to represent unprintable binary data

Tags: NI Software

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