detect selected text

I m developing winform application with C#.Net.

alt text http://img688.imageshack.us/img688/566/97354114.jpg

How can re开发者_运维百科ach selected text with mouse? Text area is Label Control.

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Your question is not very clear, but assuming that the text area is a RichTextBox control, just use the SelectedText property. You can use the SelectionStart and SelectionLength properties as well if needed.