Extending a Framework Property in .NET 2.0

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C#2.0

C#

hi,

1) I am looking a way i can extend detecturl property of richtextboxeditor ,
Basically , I want to add few custom url startings to it so that it is also detected in same manner. like it detects urls

2) also Is there a way i can see code of detecturl property of 2.0 framework


Thanks,
srastogi85