<< Click to display table of contents >> TRVSpellChecker Properties   Methods   Events

This component checks spelling in TRichView, TRichViewEdit, TDBRichView, TDBRichViewEdit controls, as well as in ScaleRichView (TSRichViewEdit, TDBSRichViewEdit controls).

In FireMonkey, this component can also be used as a platform service to check spelling in other controls (like TEdit and TMemo).

Unit [VCL/FMX] RVSpellChecker / fmxRVSpellChecker.

Syntax

TRVSpellChecker = class(TComponent)

Hierarchy

TObject

TPersistent

TComponent

Availability and Languages

If a spelling checking service is available, IsAvailable returns True.

AvailableLanguages returns a list of codes of supported languages (dictionaries). To display them to the user, use FillLanguageNames method.

To select a language (dictionary), assign a language code to Language property, or a language index to LanguageIndex property.

The active language (dictionary) is returned by CurrentLanguage or LangugeIndex.

Recommended Use

You can check the editor by registering it using RegisterEditor method.

If you do not use RichViewActions, call Execute method.

If you use RichViewActions:

▪place TRVSpellChecker, TRVSpellInterface, TRVAControlPanel components on a form;

▪assign RVSpellInterface1.SpellChecker = RVSpellChecker1

▪assign RVAControlPanel1.SpellInterface = RVSpellInterface1

▪add TrvActionSpellingCheck in TActionList and assign it to a button or to a menu item.

The actions add spelling checking command to a popup menu (TRVAPopupMenu), initiates checking on clicking a button or a menu item, localizes spelling checking dialogs.

Alternative Use

You can use “sow-level” methods:

▪IsWordValid – checks a word for spelling errors (can be used in OnSpellingCheck event of editors)

▪Suggest returns suggestions to correct a misspelled word

▪AddToAutoReplaceList – “Replace All” command

▪AddToIgnoreList – “Ignore All” command

▪AddToDictionary – “Add to Dictionary” command

Using as FireMonkey Service

This component can be used as a platform service to check spelling on other FireMonkey editors, see RegisterAsService.

Auto-correction

You can use GetAutoCorrection method to get an auto-correction for the specified word.

If you use RichViewActions:

Use TRVSpellInterface component (see “recommended use” above). Call RVSpellInterface1.AutoCorrectInKeyDown in the editor's OnKeyDown event, and RVSpellInterface1.AutoCorrectInKeyPress in the editor's OnKeyPress event.

Word Completion

You can use GuessCompletions method to get possible completions for a word.

This feature is not used by TRichView editors.

Dialog Localization

Unless you use this component via RichViewAction's TRVSpellInterface component, all UI text in spelling checking dialogs are in English.

If you want to localize forms yourself, you can use OnSpellForm event.

Platform Support

Not all features available for all platforms, see SupportsFeatures.

See Also

Live spelling checking in TRichView