Expand Minimize

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)

void AddBeforeTextBufferChangePrimitive()

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.

Was this page helpful?
(1500 characters remaining)
Thank you for your feedback
© 2014 Microsoft