button-function

Arguments: static-text-and-button-column-mixin-instance

Returns the name of a function that will be run when the small button in a grid-column of class static-text-and-button-column-mixin (in a grid-widget) is pressed. A button-function may also be nil instead of a function, in which case the button will do nothing. The default is nil.

A button-function should take six arguments: (1) the grid-widget, (2) the data-object of the grid-row that the clicked cell is in, (3) the grid-row, (4) the grid-column, (5) the row number, and (6) the column number. In releases before 8.0, the function took four arguments (the first four listed) and four arguments will still work but code should be changed to use six arguments. Defining the arguments as optional will allow correct code in both 8.0 and earlier releases.

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This page was not revised from the 8.1 page.
Created 2010.1.21.