c# - Specify assembly for namespace -

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is there anyway specify assembly along namespace in c#?

for instance, if reference both presentationframework.aero , presentationframework.luna in project might notice both of them share same controls in same namespace different implementation.

take buttonchrome example. exists in both assemblies under namespace microsoft.windows.themes.

in xaml include assembly along namespace here it's no problem

xmlns:aerotheme="clr-namespace:microsoft.windows.themes;assembly=presentationframework.aero" xmlns:lunatheme="clr-namespace:microsoft.windows.themes;assembly=presentationframework.luna"  <aerotheme:buttonchrome ../> <lunatheme:buttonchrome ../>

but in c# code behind can't find anyway create instance of buttonchrome in presentationframework.aero.

the following code gives me error cs0433 when compiling

using microsoft.windows.themes; // ... buttonchrome buttonchrome = new buttonchrome();

error cs0433: type 'microsoft.windows.themes.buttonchrome' exists in both
'c:\program files (x86)\reference assemblies\microsoft\framework.netframework\v4.0\profile\client\presentationframework.aero.dll'
and
'c:\program files (x86)\reference assemblies\microsoft\framework.netframework\v4.0\profile\client\presentationframework.luna.dll'

which understandable, compiler has no way of knowing buttonchrome choose because haven't told it. can somehow?

you need specify alias assembly reference , import via alias:

extern alias thealias;

see properties window references.

suppose alias aero assembly "aero" , luna assembly "luna". work both types within same file follows:

extern alias aero; extern alias luna;  using lunatheme=luna::microsoft.windows.themes; using aerotheme=aero::microsoft.windows.themes;  ...  var lunabuttonchrome = new lunatheme.buttonchrome(); var aerobuttonchrome = new aerotheme.buttonchrome();

see extern alias more info.


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