Sent when the typing attributes are changed.
Original signature is '- (NSDictionary *)textView:(NSTextView *)textView shouldChangeTypingAttributes:(NSDictionary *)oldTypingAttributes toAttributes:(NSDictionary *)newTypingAttributes'
Available in Mac OS X v10.4 and later.

C# | Visual Basic | Visual C++ |
NSDictionary TextViewShouldChangeTypingAttributesToAttributes( NSTextView textView, NSDictionary oldTypingAttributes, NSDictionary newTypingAttributes )
Function TextViewShouldChangeTypingAttributesToAttributes ( _ textView As NSTextView, _ oldTypingAttributes As NSDictionary, _ newTypingAttributes As NSDictionary _ ) As NSDictionary
NSDictionary^ TextViewShouldChangeTypingAttributesToAttributes( NSTextView^ textView, NSDictionary^ oldTypingAttributes, NSDictionary^ newTypingAttributes )

- textView (NSTextView)
- The text view sending the message.
- oldTypingAttributes (NSDictionary)
- The old typing attributes.
- newTypingAttributes (NSDictionary)
- The proposed typing attributes.

The actual new typing attributes.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)