PDFListField¶

Namespace: O2S.Components.PDF4NET.Forms

Defines the base class for interactive choice fields, comboboxes and listboxes.

public abstract class PDFListField : PDFField

Inheritance Object → PDFField → PDFListField

Properties¶

AlternateName¶

Gets or sets the field alternate name.

public string AlternateName { get; set; }

Property Value

String
An alternate field name that shall be used in place of the actual field name wherever the field shall be identified in the user interface.

CalculateAction¶

Gets or sets the calculate action.

public PDFJavaScriptAction CalculateAction { get; set; }

Property Value

PDFJavaScriptAction
A PDFJavaScriptAction that shall be performed to recalculate the value of this field when that of another field changes.

CommitOnSelectionChange¶

Gets or sets a value indicating whether the new value shall be committed as soon as a selection is made.

public bool CommitOnSelectionChange { get; set; }

Property Value

Boolean
If true, the new value shall be committed as soon as a selection is made (commonly with the pointing device).

Remarks

This option enables applications to perform an action once a selection is made, without requiring the user to exit the field. If clear, the new value is not committed until the user exits the field.

CosDictionary¶

Gets the underlying COS object.

public PDFCosDictionary CosDictionary { get; }

Property Value

PDFCosDictionary
A PDFCosDictionary object that backs this field object.

DefaultValue¶

Gets or sets the field default value.

public object DefaultValue { get; set; }

Property Value

Object
The field's default value.

Export¶

Gets or sets a value indicating whether the field can be exported or not.

public bool Export { get; set; }

Property Value

Boolean
If true, the field shall be exported by a submit-form action.

Form¶

Gets the Acrobat form this field belongs to.

public PDFForm Form { get; internal set; }

Property Value

PDFForm
The parent form of the field.

FormatAction¶

Gets or sets the format action.

public PDFJavaScriptAction FormatAction { get; set; }

Property Value

PDFJavaScriptAction
A PDFJavaScriptAction that shall be performed before the field is formatted to display its value.

Items¶

Gets the items in the list.

public PDFListItemCollection Items { get; }

Property Value

PDFListItemCollection
A list of items that define the possible values for the field.

KeyPressAction¶

Gets or sets the keypress action.

public PDFJavaScriptAction KeyPressAction { get; set; }

Property Value

PDFJavaScriptAction
A PDFJavaScriptAction that shall be performed when the user modifies a character in a text field or combo box or modifies the selection in a scrollable list box.

MappingName¶

Gets or sets the field mapping name.

public string MappingName { get; set; }

Property Value

String
The mapping name that shall be used when exporting interactive form field data from the document.

Name¶

Gets or sets the field name.

public string Name { get; set; }

Property Value

String
The name of the field.

Exceptions

ArgumentException
Thrown when the name is not valid (null, empty, unsupported characters).

ReadOnly¶

Gets or sets a value indicating whether the field is read-only.

public bool ReadOnly { get; set; }

Property Value

Boolean
If true, the user may not change the value of the field. Any associated widget annotations will not interact with the user; that is, they will not respond to mouse clicks or change their appearance in response to mouse motions.

Required¶

Gets or sets a value indicating whether the field is required.

public bool Required { get; set; }

Property Value

Boolean
If true, the field shall have a value at the time it is exported by a submit-form action

SelectedIndex¶

Gets or sets the lowest ordinal index of the selected items in the list.

public int SelectedIndex { get; set; }

Property Value

Int32
The lowest ordinal index of the selected items in the list. The default is -1, which indicates that nothing is selected.

Remarks

Use this property to determine the index of the currently selected item in the list if the list control allows only one selection.

SelectedIndexes¶

Gets or sets the index of the selected items in the list.

public Int32[] SelectedIndexes { get; set; }

Property Value

Int32[]
An array of indexes of the selected items in the list. The default is null, which indicates that nothing is selected.

Remarks

Use this property to determine the indexes of the currently selected items in the list if the list control allows multiple selection.

SelectedItem¶

Gets or sets the first selected item in the list.

public PDFListItem SelectedItem { get; set; }

Property Value

PDFListItem
A PDFListItem that represents the selected item.

Sort¶

Gets or sets a value indicating whether the field's option items shall be sorted alphabetically.

public bool Sort { get; set; }

Property Value

Boolean
If true, the field's option items shall be sorted alphabetically.

TextDirection¶

Gets or sets the text direction.

public PDFTextDirection TextDirection { get; set; }

Property Value

PDFTextDirection
A PDFTextDirection enum member specifying the direction of the text displayed in the field.

Type¶

Gets the field type.

public PDFFieldType Type { get; internal set; }

Property Value

PDFFieldType
The field type.

ValidateAction¶

Gets or sets the validate action.

public PDFJavaScriptAction ValidateAction { get; set; }

Property Value

PDFJavaScriptAction
A PDFJavaScriptAction that shall be performed when the field's value is changed. This action may check the new value for validity.

Value¶

Gets or sets the field value.

public object Value { get; set; }

Property Value

Object
The field value.

Widgets¶

Gets the list of field widgets.

public PDFFieldWidgetCollection Widgets { get; }

Property Value

PDFFieldWidgetCollection
The list of widgets that represent the field on PDF pages.