[Msdn WPF Forum translation] Alignment Method in text in textbox

Link: http://social.msdn.microsoft.com/Forums/en-US/wpf/thread/49864e35-1dbf-4292-a361-93f1a8400558
Problem:
Alignment in textbox Chinese text. Using textbox. horizontalcontentalignment = "center" won't work (textbox. verticalcontentalignment = "center" will play the expected role .)
Number8 Answer:

 <  Setter  Property  =  "Textalignment"   Value =  "Center"  /> 

Note: See msdn's explanation of textbox. textalignment:

Value, which specifies the horizontal alignment of the text box content. The default value is .

If this attribute is obtained, the current alignment is returned. Setting this attribute will adjust the content of the text box to reflect the specified alignment.
This attribute has a higher priorityHorizontalcontentalignmentAttribute.