Condividi tramite


IEditorOperations.AddBeforeTextBufferChangePrimitive Method

Adds an ITextUndoPrimitive to the ITextUndoHistory for the buffer that will revert the selection to the current state when it is undone.

Namespace:  Microsoft.VisualStudio.Text.Operations
Assembly:  Microsoft.VisualStudio.Text.UI (in Microsoft.VisualStudio.Text.UI.dll)

Syntax

'Dichiarazione
Sub AddBeforeTextBufferChangePrimitive
void AddBeforeTextBufferChangePrimitive()
void AddBeforeTextBufferChangePrimitive()
abstract AddBeforeTextBufferChangePrimitive : unit -> unit 
function AddBeforeTextBufferChangePrimitive()

Remarks

When performing edits that will change the selection, you can surround the edits with calls to AddBeforeTextBufferChangePrimitive and AddAfterTextBufferChangePrimitive to ensure that the selection behaves correctly when the edits are undone and redone.

.NET Framework Security

See Also

Reference

IEditorOperations Interface

Microsoft.VisualStudio.Text.Operations Namespace