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    [Expand]RichEditControl Methods
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 End-User Documentation

RichEditControl.AutoCorrect Event

Fires when text is typed in the control.

Namespace:DevExpress.XtraRichEdit
Assembly:DevExpress.XtraRichEdit.v17.2.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type AutoCorrectEventArgs containing data related to this event.

The following AutoCorrectEventArgs properties provide information specific to this event.
Property Description
AutoCorrectInfo Gets or sets the AutoCorrectInfo object that provides methods to analyze input text and contains a replacement object.

Expanded Remarks

Handle the AutoCorrect event to implement complex replacements as you type.

If you handle the AutoCorrect event, and do not intend to make any replacements, set e.AutoCorrrectInfo to null. Do not set the DevExpress.XtraRichEdit.AutoCorrectInfo.ReplaceWith to an empty string.

Note

Do not call properties and methods such as the DevExpress.XtraRichEdit.API.Native.Document.CaretPosition or the GetBoundsFromPosition within this event's handler. This may result in an unhandled exception. The reason is that a document layout within the event handler is being modified and the modification is not yet complete, so not all changes are committed. Methods used to access a document layout get its previous state, which appears invalid. An attempt to address an invalid document layout causes an exception.

Expanded Example

Show Me

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=E3041.

The following code sample shows how to handle the AutoCorrect event to replace the typed $ symbol with a picture of a dollar, and substitute the text enclosed in percent symbols with custom content.

Use the DevExpress.XtraRichEdit.AutoCorrectEventArgs.AutoCorrectInfo property to obtain the document text, then call the DevExpress.XtraRichEdit.AutoCorrectInfo.DecrementStartPosition method to expand its left boundary until a special symbol or a word separator symbol is found. Use the DevExpress.XtraRichEdit.AutoCorrectInfo.ReplaceWith property to pass a replacement object (a string or an image) to the document if a resulting string meets certain conditions, such as whether it is a dollar sign or a %date% string.

Expanded See Also

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