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EditorSnapshotChangingEventArgs Class

Event arguments for the SyntaxEditor.DocumentTextChanging event.

public class EditorSnapshotChangingEventArgs : CancelRoutedEventArgs
Inheritance:
Object EventArgs RoutedEventArgs CancelRoutedEventArgs Object

Constructors

EditorSnapshotChangingEventArgs(ITextSnapshot, ITextSnapshot, ITextChange)

Initializes a new instance of the EditorSnapshotChangingEventArgs class.

public EditorSnapshotChangingEventArgs(ITextSnapshot oldSnapshot, ITextSnapshot newSnapshot, ITextChange textChange)
Parameter Type Description
oldSnapshot ITextSnapshot

The ITextSnapshot that is in effect before the text change is applied.

newSnapshot ITextSnapshot

The ITextSnapshot that is in effect after the text change is applied.

textChange ITextChange

The ITextChange that is made.

Properties

IsTypedWordStart

Gets whether the text change is a Typing type that starts a word.

public bool IsTypedWordStart { get; }

Property Value

Boolean:

true if the text change is a Typing type that starts a word; otherwise, false.

NewSnapshot

Gets the ITextSnapshot that is in effect after the text change is applied.

public ITextSnapshot NewSnapshot { get; }

Property Value

ITextSnapshot:

The ITextSnapshot that is in effect after the text change is applied.

Remarks

This property value may be null before the text change actually occurs.

OldSnapshot

Gets the ITextSnapshot that is in effect before the text change is applied.

public ITextSnapshot OldSnapshot { get; }

Property Value

ITextSnapshot:

The ITextSnapshot that is in effect before the text change is applied.

TextChange

Gets the ITextChange that is made to the document, causing a transition from OldSnapshot to NewSnapshot.

public ITextChange TextChange { get; }

Property Value

ITextChange:

The ITextChange that is made to the document.

TypedText

Gets the text that was typed, if the text change is a Typing type, and didn't originate from an undo/redo.

public string TypedText { get; }

Property Value

String:

The text that was typed if the above criteria is met; otherwise, null.

Remarks

This a helper property that is very useful for searching for things such as when a "." is typed so you know when to activate an IntelliPrompt completion list.

Inherited Members