Expressions (or scripts - the two terms are used interchangeably here) can be used in various places throughout the document. Mark an expression by surrounding it by square brackets, as in the following code:
To write code in Visual Basic
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Dim doc As New C1PrintDocument()
doc.Body.Children.Add(New RenderText("2 + 2 = [2+2]"))
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To write code in C#
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C1PrintDocument doc = new C1PrintDocument();
doc.Body.Children.Add(new RenderText("2 + 2 = [2+2]"));
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This code will produce the following text in the generated document:
2 + 2 = 4
In this case, the "[2+2]" is interpreted as an expression, and calculated to produce the resulting text.