CONSTRUCTOR SAP Method Constructor
Below is documentation, parameters and attributes of ABAP Method CONSTRUCTOR within SAP class CL_GUI_COLUMN_TREE. There is also a number of example ABAP code snipts to help you use the functionality of this method.
This method is a Class Constructor so it is called automatically when the class is accessed for the first time.This method is available within SAP systems depending on your version and release level, you can view further information by entering the class name CL_GUI_COLUMN_TREE into the relevant SAP transactions such as SE24 or SE80, and then selecting the method you are interested in.
Method Type - Instance
This is an Instance Method so needs to be instantiated first before you can access any of the methods. I.e. you need to create a local variable of TYPE ref to the class.The following technical details of method CONSTRUCTOR can also be found below:
- Importing parameters
- Exporting parameters
- Changing parameters
- Returning parameters
- Exceptions
- Coding Examples
Parameters of Method CONSTRUCTOR
.| Name | Type | Data Type | Description | Default Value |
| HIDE_SELECTION | Importing | TYPE AS4FLAG | Visibility of Selection | |
| HIERARCHY_COLUMN_NAME | Importing | TYPE TV_ITMNAME | Name of the Column in Hierarchy Area | |
| HIERARCHY_HEADER | Importing | TYPE TREEV_HHDR | Hierarchy Header | |
| ITEM_SELECTION | Importing | TYPE AS4FLAG | Can Individual Items be Selected? | |
| LIFETIME | Importing | TYPE I | Lifetime | |
| NAME | Importing | TYPE STRING | Name | |
| NODE_SELECTION_MODE | Importing | TYPE I | Nodes: Single or Multiple Selection | |
| NO_HIERARCHY_COLUMN | Importing | TYPE AS4FLAG | Internal Field | |
| PARENT | Importing | TYPE REF TO CL_GUI_CONTAINER | Parent Container | |
| SHELLSTYLE | Importing | TYPE I | Shell Style | |
| NO_HIERARCHY_COLUMN | Importing | TYPE AS4FLAG | Internal |
Exceptions of Method CONSTRUCTOR
LIFETIME_ERROR - 'Example ABAP coding
As the method is a Class Constructor the below code doesnt really make sense as it cant be executed as a stand alone method but this is how it would look if it was a normal static method.DATA: lo_class TYPE REF TO CL_GUI_COLUMN_TREE.
DATA: lv_HIDE_SELECTION TYPE AS4FLAG,
lv_HIERARCHY_COLUMN_NAME TYPE TV_ITMNAME,
lv_HIERARCHY_HEADER TYPE TREEV_HHDR,
lv_ITEM_SELECTION TYPE AS4FLAG,
lv_LIFETIME TYPE I,
lv_NAME TYPE STRING,
lv_NODE_SELECTION_MODE TYPE I,
lv_NO_HIERARCHY_COLUMN TYPE AS4FLAG,
lv_PARENT TYPE CL_GUI_CONTAINER,
lv_SHELLSTYLE TYPE I,
lv_NO_HIERARCHY_COLUMN TYPE AS4FLAG,
lv_other TYPE c.
CALL METHOD lo_class=>CONSTRUCTOR(
EXPORTING
HIDE_SELECTION = lv_HIDE_SELECTION
HIERARCHY_COLUMN_NAME = lv_HIERARCHY_COLUMN_NAME
HIERARCHY_HEADER = lv_HIERARCHY_HEADER
ITEM_SELECTION = lv_ITEM_SELECTION
LIFETIME = lv_LIFETIME
NAME = lv_NAME
NODE_SELECTION_MODE = lv_NODE_SELECTION_MODE
NO_HIERARCHY_COLUMN = lv_NO_HIERARCHY_COLUMN
PARENT = lv_PARENT
SHELLSTYLE = lv_SHELLSTYLE
NO_HIERARCHY_COLUMN = lv_NO_HIERARCHY_COLUMN ).
Links to Related Class(s)
CL_GUI_C...Full list of available SAP object classes
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