EditorSnapshotChangedEventArgs Class

public class EditorSnapshotChangedEventArgs : RoutedEventArgs

public EditorSnapshotChangedEventArgs(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.

public TextSnapshotRange ChangedSnapshotRange { get; }

Property Value

TextSnapshotRange:

A TextSnapshotRange that contains the unioned changed range relative to the NewSnapshot.

public bool IsTypedWordStart { get; }

Property Value

bool:

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

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.

public ITextSnapshot OldSnapshot { get; }

Property Value

ITextSnapshot:

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

public ITextChange TextChange { get; }

Property Value

ITextChange:

The ITextChange that is made to the document.

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.

public static bool GetIsTypedWordStart(ITextSnapshot snapshot, ITextChange textChange, CharClass wordStartChars)

Parameter	Type	Description
snapshot	ITextSnapshot	The new ITextSnapshot after the change.
textChange	ITextChange	The ITextChange that caused the new snapshot.
wordStartChars	CharClass	The characters that can start a word.

Returns

bool:

true if the specified text change is typing that starts a word; otherwise, false.