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/*****************************************************************************
*
* An example of adding macros to a libxlsxwriter file using a VBA project
* file extracted from an existing Excel .xlsm file.
*
* The vba_extract.py utility from the libxlsxwriter examples directory can be
* used to extract the vbaProject.bin file.
*
* This example connects the macro to a button (the only Excel/VBA form object
* supported by libxlsxwriter) but that isn't a requirement for adding a macro
* file to the workbook.
*
* Copyright 2014-2026, John McNamara, jmcnamara@cpan.org
*/
#include "xlsxwriter.h"
int main() {
/* Note the xlsm extension of the filename */
lxw_workbook *workbook = workbook_new("macro.xlsm");
lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
worksheet_set_column(worksheet, COLS("A:A"), 30, NULL);
/* Add a macro file extracted from an Excel workbook. */
workbook_add_vba_project(workbook, "vbaProject.bin");
worksheet_write_string(worksheet, 2, 0, "Press the button to say hello.", NULL);
lxw_button_options options = {.caption = "Press Me", .macro = "say_hello",
.width = 80, .height = 30};
worksheet_insert_button(worksheet, 2, 1, &options);
return workbook_close(workbook);
}
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