Function gvr_sys::gvr_properties_get

pub unsafe extern "C" fn gvr_properties_get(
    properties: *const gvr_properties, 
    property_key: i32, 
    value_out: *mut gvr_value
) -> i32

Queries the given property's value, populating the provided value if available.

@param gvr_properties The set of properties to query. @param property_key The property being queried. @return GVR_ERROR_NONE if the property was available, otherwise GVR_ERROR_NO_PROPERTY_AVAILABLE.