📄 code39.htm

📁 非常实用的条形码制作工具

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<META HTTP-EQUIV="Content-Type" Content="text/html; charset=Windows-1252">
<title>Code 39</title>
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<h1>Code 39</h1>
<img src="sample_images/code39.gif" align="center"> (GIF)
<BR>
<img src="sample_images/code39.jpg" align="center"> (JPEG)
<BR>
<img src="sample_images/code39.png" align="center"> (PNG)
<p>
Code 39 is a non-continuous barcode. Its character set is composed of '0' to '9', 'A' 
to 'Z', SPACE, '*', '$', '/', '+', '-', '.', '%'. It implements no check character; 
the corresponding version with check character is <A HREF="code39c.htm">Code 39 Check</A>.
<P>
The following default values are used:
<PRE>
    - wide/narrow bar ratio = 3
    - intercharacter gap = 2 * narrow bar
</PRE>
<P>
The character '*' being built in as both the start and stop characters of the barcode 
(they may be shown or hidden according to the ShowCode39StartStop property), 
you should not attempt to set them any more as part of the data.

<p>
<b>See Also</b></p>
<p>
<A HREF="code39c.htm">Code 39 Check</A>
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