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Apps User Guide
Automation CloudAutomation Cloud Public SectorAutomation Suite
Last updated Jun 17, 2024

Custom List

Custom List is a dynamic, template-based control, which incorporates various controls with exceptional flexibility. Far from a standard list control, the Custom List allows even more controls within the layout, making it ideal for tasks such as creating an effective email listing grid.

Properties

Custom List has two sets of properties: one for the main control, and one for the template within it.

To toggle between the properties of a Custom List and its Template, simply click on the control in the canvas or select it from the tree view on the left.

ThisRow

The ThisRow keyword to represent each row of the custom list data
To bind values from the Data source to individual controls within the Custom List, use the ThisRow keyword. For details, refer to Examples.

Limitations

  • Due to performance considerations, sevral controls cannot be included within a Custom List:

    • Edit Grid

    • Table

    • Custom List

    • Custom HTML

    • Tabs

    Note:

    For list-based controls that exceed four items, we recommend using Dropdown controls.

  • Directly referencing Custom List controls, such as MainPage.Header, is not permitted, despite the control name being found by the IntelliSense.
  • Dragging controls between the context of a Custom List and other container controls may cause invalid expressions, some visible only when you preview the app. This is because the bindings within the context of the Custom List (using the ThisRow keyword) become invalid outside the Custom List.

Optimal Custom List creation

The optimal method for working with a Custom List is as follows:

  1. Design your custom list using a design tool such as Figma.

  2. In the App Studio, once you have added the Custom List control, create a layout using containers and controls for each list element.

  3. Create a sample row that includes a text description.

  4. Replace the text description with expressions.

  5. Add rules to events.

  6. Adjust the control style according to the design file.

  7. Preview the app.

General

Custom List

  • Data Source - The data source for the list display. Valid data types are DataTable and Object Array.
  • Hidden - If set to true, hides the control during the runtime.
  • Disabled - If set to false, app users can interact with the list. If set to true, the list is in a read-only state.

Template

  • Tooltip - Tooltip to be displayed on the template. Use this to provide additional information on the template.

  • Hidden- If set to true, hides the control during the runtime.

  • Disabled - If set to false, app users can interact with the template. If set to true, the template is in a read-only state.

Events

Custom List

  • Row selected - Configure what happens when the app user selects a row (that is, a control within a template) in the Custom List. Configure what happens when the value is changed.

Template

  • Clicked on - Configure what happens when the template is clicked.

Style

Custom List

  • Control Alignment - By default, inherits the parent alignment. A different alignment other than the parent can be set. To default back to the parent alignment, deselect the overridden options.

    Note: The alignment is dependent on the layout selected for the parent (Vertical vs Horizontal).
  • Layout - Customize the templates position within the custom list:
    • Vertical - templates are arranged vertically
    • Horizontal - templates are arranged horizontally

    • Grid - templates are arranged in a grid format

    • Space between (pixels only) - the spacing between templates, when they are arranged in a Vertical or Horizontal layout.

    • Horizontal / Vertical gap - the horizontal and vertical spacing between templates, when they are arranged in a Grid layout.

    • Template Width - the width of the template.

    • Template Height - the height of the template.

    Note:
    • In a Horizontal layout, Width is set in pixels and Height in pixels, %, em, or auto.
    • In a Vertical layout, Height is in pixels and Width can be pixels, %, em, or auto.
    • In a Grid layout, both Height and Width are in pixels.

  • Margin - The margin of the layout. By default, a margin of 4 px is set. Top/Bottom and Left/Right margin properties are combined. These properties can be detached using the Link button at the right side of the Margin section.

  • Size - The Width and Height of the custom list, in pixels. Default values:
    • In a Horizontal layout: Width 800 px, Height auto
    • In a Vertical layout: Width auto, Height 400 px
    • In a Grid layout: Width 800 px, Height 400 px
    To set minimum or maximum values, click the three dot icon (...).

Template

  • Control Alignment - By default, inherits the parent alignment. A different alignment other than the parent can be set. To default back to the parent alignment, deselect the overridden options.

    Note: The alignment is dependent on the layout selected for the parent (Vertical vs Horizontal).
  • Layout - Determine how the controls within the template are positioned:

    • Horizontal/Vertical - The orientation of controls.
    • Alignment- The alignment of controls within the template.
    • Allow wrapping - If selected, wraps the controls in the template.
    • Allow scrolling - If selected, allows scrolling inside the template. To enable Allow Scrolling, the template must have a fixed height (vertical layout) or fixed width (horizontal layout).

  • Background Color - The background color of the template.

  • Border - The border for the control. Border Thickness, Color, and Radius can be configured.

  • Font - The font family for the template. All the controls within the template share the same font family. By default, the template inherits the font family of the Custom List.

  • Margin- The margin of the layout. By default, a margin of 0 px is set. Top/Bottom and Left/Right margin properties are combined. These properties can be detached using the Link button at the right side of the Margin section.

  • Padding - The padding of the template. By default, a padding of 16 px is set. Top/Bottom and Left/Right margin properties are combined. These properties can be detached using the Link button at the right side of the Padding section.

  • Advanced - Displays the flex properties of the control.

    • Flex basis - Sets the original size of a flex item before the extra space is distributed or taken away (px, %, em, auto).
    • Flex grow - When extra space is available, this values dictates how much a flex item should grow relative to the rest of the items.

    • Flex shrink - When the space is not enough, this value dictates how much a flex item should shrink compared to the other items.

VB properties

Property name

Data type

Access permissions

Example

Disabled

Boolean

Read/Write

-

Hidden

Boolean

Read/Write

-

SelectedItem

Union of the Data Source type and the list of controls inside the Custom List

Read/Write

Say your Data Source is an entity To access the entity row:

MainPage.CustomList.SelectedItem.dataMainPage.CustomList.SelectedItem.data

Say you have a Date Picker in your Custom List. To access the value of the Date Picker control:

MainPage.CustomList.SelectedItem.Datepicker.valueMainPage.CustomList.SelectedItem.Datepicker.value 

SelectedItemIndex

Integer

Read only

Returns the index of the currently selected row:

MainPage.CustomList.SelectedItemIndexMainPage.CustomList.SelectedItemIndex

ThisRow

The same as the Data Source field

Read only

Refers to the current record of the Data Source. USe it to configure fields within the Custom List.

Data binding examples for Custom List elements

Data source is an Entity

Say you reference an entity in the Data source field. This entity has a column named cvxz"FirstName".vcc

To bind this column to a Textbox control within the Custom List, you can use the following expression:

ThisRow.FirstnameThisRow.Firstname

Data source is a DataTable

Say you reference a DataTable argument of a process in the Data source field.

The type of ThisRow is DataRow, and its value can be extracted as follows:

ThisRow("FieldName")ThisRow("FieldName")

Ensure to cast it to the appropriate type.

Demo

Using Custom List

Introduction

This app demonstrates the Custom List functionality.

Demo app - try it yourself
To try the Custom List yourself, use the demo app.

Demo app - instructions to use

  1. In UiPath® Apps, create a new app and import the downloaded demo app.

  2. You may notice some errors. To fix them, replace the referenced entities "Country", "EmailInbox", "Employees", "Employees2" and "System Users" with entities in your tenant.

  3. To interact with the Custom List fields, preview your app.

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