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));
}