public override bool CanMerge(ITextUndoPrimitive older) { if (older == null) { throw new ArgumentNullException(nameof(older)); } AfterTextBufferChangeUndoPrimitive olderPrimitive = older as AfterTextBufferChangeUndoPrimitive; // We can only merge with IUndoPrimitives of AfterTextBufferChangeUndoPrimitive type if (olderPrimitive == null) { return(false); } return(olderPrimitive.State.Matches(this.State)); }
public override bool CanMerge(ITextUndoPrimitive older) { if (older == null) { throw new ArgumentNullException("older"); } AfterTextBufferChangeUndoPrimitive olderPrimitive = older as AfterTextBufferChangeUndoPrimitive; // We can only merge with IUndoPrimitives of AfterTextBufferChangeUndoPrimitive type if (olderPrimitive == null) { return(false); } return((olderPrimitive.CaretIndex == _oldCaretIndex) && (olderPrimitive.CaretVirtualSpace == OldCaretVirtualSpaces)); }