Import Library Error two functions with same name on different namespaces

Im trying impor a library developed by me. In this library have two functions ShowMenu. First function be inside into a class and its declared as
void __fastcall TTrayicon:howMenu(). The second function has declared as extern "C" __declspec(dllexport) ShowMenu(int x, int y).
When i use de assistant to import this library i select the library and its header file. But in the next step the assistant show to me the first function.
Anyone explain what's happen?

I'm not sure what kind of answer you're looking for. LabVIEW's Import Library wizard does not always properly handle accessing functions in standard C++ DLLs. See this for more info.

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Two methods with same name but different return type?

Can I have two methods with same name but different return type in Java? I used to do this in C++ (method overloading or function overloading)
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import java.io.*;
public class Test{
public static void main(String ar[]){
try{
//I give an invalid file name to throw IO error.
File file = new File("c:/invalid file name becasue of spaces");
FileWriter writer = new FileWriter(file ,true);
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writer.close();
} catch (IOException IOe){
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//call first method - displays stack trace on screen
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//call second method - returns stack trace as string
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        System.out.println(msg);
} // end of main
public static void showerr(Exception e){
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     e.printStackTrace(pw);
     try{
     pw.close();
     sw.close();
     catch (IOException IOe){
     IOe.printStackTrace();
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}//end of first showerr
public static String showerr(Exception e){
     StringWriter sw = new StringWriter();
     PrintWriter pw = new PrintWriter(sw);
     e.printStackTrace(pw);
     try{
     pw.close();
     sw.close();
     catch (IOException IOe){
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}//end of second showerr
} // end of class
[\code]

Overloading is when you have multiple methods that have the same name and the same return type but take different parameters. See example
public class Overloader {
     public String buildError(Exception e){
          java.util.Date now = new java.util.Date() ;
          java.text.DateFormat format = java.text.DateFormat.getInstance() ;
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hello,
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Thanks,
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Hi,
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twitter.com/techguyat | facebook.com/techguyat

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Import Library Error two functions with same name on different namespaces

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