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danrega
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- [Selection Screens and Classic Lists](#selection-screens-and-classic-lists)
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- [Introduction](#introduction)
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- [Terms](#terms)
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- [Selection Screens](#selection-screens)
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- [Classic Lists](#classic-lists)
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- [ABAP Statements for Selection Screens](#abap-statements-for-selection-screens)
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- [Creating Selection Screens](#creating-selection-screens)
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- [PARAMETERS](#parameters)
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- [SELECT-OPTIONS](#select-options)
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- [SELECTION-SCREEN](#selection-screen)
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@@ -48,8 +46,6 @@ For more detailed information and syntax options, see the topics [Selection Scre
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<p align="right"><a href="#top">⬆️ back to top</a></p>
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## Terms
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### Selection Screens
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- Are special [dynpros](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abendynpro_glosry.htm) in [executable programs](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abenexecutable_program_glosry.htm) (*"reports"*; they're also possible in [function groups](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abenfunction_group_glosry.htm) and [module pools](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abenmodul_pool_glosry.htm), but the focus here is on executable programs).
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- Used for data entry in an executable program, i.e. they allow users to ...
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@@ -71,6 +67,7 @@ For more detailed information and syntax options, see the topics [Selection Scre
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- Each executable program (and only there) contains a standard selection screen with the dynpro number 1000. Note: If you create a standalone selection screen, you cannot use dynpro number 1000.
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- The screen elements on the standard selection screen are defined by all `PARAMETERS`, `SELECT-OPTIONS`, and `SELECTION-SCREEN` statements that are defined outside of the statements mentioned above for creating standalone selection screens.
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<p align="right"><a href="#top">⬆️ back to top</a></p>
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### Classic Lists
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- Used to output data in a structured and formatted way.
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@@ -91,8 +88,6 @@ For more detailed information and syntax options, see the topics [Selection Scre
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## ABAP Statements for Selection Screens
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### Creating Selection Screens
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Selection screens can be created by using special ABAP statements in the global declaration part of executable programs:
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- [`PARAMETERS`](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abapparameters.htm)
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- [`SELECT-OPTIONS`](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abapselect-options.htm)
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@@ -121,7 +116,7 @@ The following table includes code snippets with a selection of available syntax
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<tr>
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<td>
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Type specification options<br>
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Type specification options<br><br>
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Additions `TYPE` and `LIKE`
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</td>
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@@ -254,7 +249,7 @@ START-OF-SELECTION.
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<tr>
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<td>
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Dynamically specifying the type<br>
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Dynamically specifying the type<br><br>
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Addition `LIKE (...)`
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</td>
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<tr>
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<td>
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Specifying value options<br>
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Additions `DEFAULT`, `LOWER CASE`, `MATCHOCODE OBJECT`, `MEMORY ID`, `VALUE CHECK`
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Specifying value options<br><br>
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Additions `DEFAULT`, `LOWER CASE`, `MATCHCODE OBJECT`, `MEMORY ID`, `VALUE CHECK`
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</td>
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@@ -322,7 +317,7 @@ Additions `DEFAULT`, `LOWER CASE`, `MATCHOCODE OBJECT`, `MEMORY ID`, `VALUE CHEC
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- `DEFAULT`: Defines a start value (can also be a data object instead of a literal)
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- `LOWER CASE`: Prevents the effect of capitalizing the entry made when the content is transported to the data object
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- `MATCHOCODE OBJECT`: Links an input field with a DDIC search help
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- `MATCHCODE OBJECT`: Links an input field with a DDIC search help
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- `MEMORY ID`: Links an input field with an SPA/GPA parameter in the user memory, i.e. data objects in the user memory accessible by ABAP programs. When calling the selection screen, the input field receives the SPA/GPA parameter value if the `PARAMETERS`'s data object is initial after processing of the `AT SELECTION-SCREEN OUTPUT` event block. The SPA/GPA parameters are set using [`SET PARAMETER`](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abapset_parameter.htm) and read using [`GET PARAMETER`](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abapget_parameter.htm) statements. See the names of the parameters in the `TPARA` database table.
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- `VALUE CHECK`: Checks input against fixed values defined for the domain of a data type. It can only be used for DDIC data types. Checks are also available for data types being components of foreign key tables. It is recommended to specify the `VALUE CHECK` addition with the `OBLIGATORY` addition as the check is also applied in case of empty input fields.
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@@ -408,7 +403,7 @@ START-OF-SELECTION.
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<tr>
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<td>
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Specifying screen options<br>
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Specifying screen options<br><br>
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Additions `OBLIGATORY`, `NO-DISPLAY`, `VISIBLE LENGTH`, `AS CHECKBOX`, `RADIOBUTTON GROUP`, `AS LISTBOX VISIBLE LENGTH`
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</td>
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@@ -543,7 +538,7 @@ START-OF-SELECTION.
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<tr>
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<td>
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Assigning function codes to selection parameters<br>
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Assigning function codes to selection parameters<br><br>
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Addition `USER-COMMAND`
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</td>
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@@ -625,14 +620,14 @@ START-OF-SELECTION.
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<tr>
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<td>
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Assigning a screen element of a selection screen to a modification group<br>
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Assigning a screen element of a selection screen to a modification group<br><br>
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Addition `MODIF ID`
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</td>
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<td>
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- The `PARAMETERS` statement can be specified with the `MODIF ID` addition to assign a screen element of a selection screen to a modification group, which represents a group of multiple screen elements of a dynpro having a three-character ID. This ID is used to modify the display properties of all those elements specifying the ID before they are actually displayed. For that purpose, you can use the `MODIFY SCREEN` statement. The ID is assigned to the `screen-grouop1` component that can be evaluated.
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- The `PARAMETERS` statement can be specified with the `MODIF ID` addition to assign a screen element of a selection screen to a modification group, which represents a group of multiple screen elements of a dynpro having a three-character ID. This ID is used to modify the display properties of all those elements specifying the ID before they are actually displayed. For that purpose, you can use the `MODIFY SCREEN` statement. The ID is assigned to the `screen-group1` component that can be evaluated.
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- Find more information [here](https://help.sap.com/doc/abapdocu_latest_index_htm/latest/en-US/index.htm?file=abenmodification_group_glosry.htm).
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</td>
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