clear_data_code_2d_model
— Delete a 2D data code model and free the allocated memory.
clear_data_code_2d_model( : : DataCodeHandle : )
The operator clear_data_code_2d_model
deletes a 2D data code
model that was created by create_data_code_2d_model
or
read_data_code_2d_model
.
All memory used by the model is freed.
The handle of the model is passed in DataCodeHandle
.
After the operator call it is invalid.
For an explanation of the concept of the 2D data code reader see the introduction of chapter Identification / Data Code.
This operator modifies the state of the following input parameter:
During execution of this operator, access to the value of this parameter must be synchronized if it is used across multiple threads.
DataCodeHandle
(input_control, state is modified) datacode_2d →
(handle)
Handle of the 2D data code model.
The operator clear_data_code_2d_model
returns the value 2 (H_MSG_TRUE)
if a valid handle was passed and the referred 2D data code model can
be freed correctly.
Otherwise, an exception is raised.
create_data_code_2d_model
,
read_data_code_2d_model
Data Code