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        <title>GAMBAS-BOOK 3.19.5 - k16:k16.6:k16.6.3</title>
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            <title>start</title>
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            <description>16.6.3 Examples for using a TextBox - Validation of input

Securing the use of valid data in a program is part of the concept for avoiding runtime errors. In -&gt; chapter 16.6.2 Valid Data you will find information on the topic and approaches how to validate data from TextBoxes and their different specializations (MaskBox, ValueBox, HistoryBox, InputBox and ButtonBox). For the input of complex numbers, matrices, polynomials or vectors you will find examples in the chapters 29.1 Complex Numbers, 29…</description>
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            <pubDate>Thu, 02 Apr 2026 13:28:46 +0000</pubDate>
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