gr application get data

#include <gre/gre.h>                
int gr_application_get_data(
  gr_application_t  *app, 
  const char        *key,
  gr_data_format_t  *fmt,
  gr_wrapped_data_t *data

The gr_application_get_data function provides an interface to get Storyboard data variables associated with a key, and their formats.

The returned gr_wrapped_data_t must be freed with gr_application_free_data.

Parameters: app A pointer to an application handle created using gr_application_create_args. key The data key variable to get fmt The format describing the format you want the data in: GR_DATA_FORMAT_(1s0|1u1|1s1|2u1|...) 1s0 (string) | 4u1 (uint32_t) | 4s1 (int32_t) ... Can be GR_DATA_FORMAT_UNKNOWN and the original format will be used. data Location to store the returned data, this is a copy of the requested data and its format Returns: Zero on success, -1 on failure.

The gr_application_get_data function is a method of retrieving the data values and formats for any keys associated Storyboard engine variables.

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