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    <title>MATLAB Central Newsreader - C# calling method question</title>
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      <pubDate>Wed, 04 Nov 2009 22:10:20 -0500</pubDate>
      <title>C# calling method question</title>
      <link>http://www.mathworks.com/matlabcentral/newsreader/view_thread/265018#692210</link>
      <author>Chang shen</author>
      <description>Hi all,&lt;br&gt;
My newbie question for r2009b.&lt;br&gt;
&lt;br&gt;
I want to build a .Net assembly so I can use it in C#&lt;br&gt;
&lt;br&gt;
I have a Matlab class m-file caled mydll.m&lt;br&gt;
&lt;br&gt;
classdef mydll&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;properties&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;dataout=[];&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;end&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;methods&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;function datao = myf1(var1, var2, var3)&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;datao = var1 * var2 * var3;&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;end&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;function obj = myf2(obj, var1, var2,var3)&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;obj.dataout = var1 * var2 ;&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;end&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;end&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;methods (Static)&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;function datas = myf3(var1, avr2, var3)&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;datas = var1*var2*var3;&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;end &lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;end&lt;br&gt;
end&lt;br&gt;
&lt;br&gt;
&lt;br&gt;
I use deploy tool .  file -&amp;gt; new  -&amp;gt; deployment project  create a project &lt;br&gt;
ClassMydll.prj&lt;br&gt;
Then I add a class called cmydll, then add the m-file mydll.m into it.&lt;br&gt;
build the project and the dll&lt;br&gt;
&lt;br&gt;
First I install MRC in the machine.  I create a C# project.  includes Mathwork dlls and ClassMydll.&lt;br&gt;
&lt;br&gt;
Now I try to use the methods myf1, myf2, myf3&lt;br&gt;
&lt;br&gt;
using ClassMydll;&lt;br&gt;
&lt;br&gt;
//I am expecting that  I can use them like this:&lt;br&gt;
void function foo()&lt;br&gt;
{&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;ClassMydll.cmydll test = new ClassMydll.cmydll();&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;MWArray v1 = 1;&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;MWArray v2 = 2;&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;MWArray v3 = 3;&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;MWArray d1 = test.myf1(v1,v2,v3);&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;ClassMydll.cmydll t2 = test.myf2(v1,v2,v3); &lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;MWArray d2 = ClassMydll.cmydll.myf3(v1,v2,v3);&lt;br&gt;
}&lt;br&gt;
&lt;br&gt;
But I can not see the methods from C#.  The only one is the class constructor mydll&lt;br&gt;
What is wrong?&lt;br&gt;
&lt;br&gt;
For early version, I was able to see the methods.&lt;br&gt;
&lt;br&gt;
Thanks&lt;br&gt;
&lt;br&gt;
&lt;br&gt;
&lt;br&gt;
&lt;br&gt;
&lt;br&gt;
&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;br&gt;
&lt;br&gt;
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