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Declaring columns
Rpv Reports accepts to declare some values in the configuration section to use them as columns.

This is useful for changing all the values modifying only one value in configuration section.

To declare a column, will be required that the column has a name that begins with "$" char. After that, you can type the name you want for the column containing even spaces.


Example:

$COL_0=400


The value will be expressed in twips and after this declaration "{400}" will be the equal {$col_0} (lower or upper case doesn't affect the final result).

Additionally, in HEADER and DATA sections, is possible to specify the columns using the following syntax: {$COL_0 + 100} This text will be printed in the position $COL_0 plus 100 twips It is possible also to use columns in all those commands that require X coordinates. If you have declared columns, simply click on the "columns" button of the toolbar to see them. Additionally, they can be moved with the mouse.

See also

Twip, explanation

It is desirable (but not required) not to declare columns with long names because it can affect the performance of the viewer and server; specially the viewer (let's remember that even when the system is slow, it will be faster than most of printers).


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