Method
GLibKeyFileget_double
Declaration
gdouble
g_key_file_get_double (
GKeyFile* key_file,
const gchar* group_name,
const gchar* key,
GError** error
)
Description
Returns the value associated with key
under group_name
as a
double. If group_name
is NULL
, the start_group is used.
If key
cannot be found then 0.0 is returned and error
is set to
G_KEY_FILE_ERROR_KEY_NOT_FOUND
. Likewise, if the value associated
with key
cannot be interpreted as a double then 0.0 is returned
and error
is set to G_KEY_FILE_ERROR_INVALID_VALUE
.
Available since: | 2.12 |
Parameters
group_name |
const gchar* |
A group name. |
|
The data is owned by the caller of the function. | |
The value is a NUL terminated UTF-8 string. | |
key |
const gchar* |
A key. |
|
The data is owned by the caller of the function. | |
The value is a NUL terminated UTF-8 string. | |
error |
GError ** |
The return location for a GError* , or NULL . |