Resize and Edit Text in wpf

Question

Hi,

  I am using wpf C# to develop a project, in this i need following..

1) add formatted text on canvas

2) resize text portion between thumbs if click and drag on thumbs (no need to resize whole text)

3)  edit text by mouse double clicking (Show cursor to edit text)

any control support the above three options in wpf? How can i do this ?please help me with a solution..