ATL / WTL / STL

1. Create an ATL DLL project.
2. Add an 'ATL Control' class. Use some throwaway name for the control interface (because you *will* be throwing it away ), but make sure the class names are ones you're happy with.
3. Copy'n'paste your IDL interface into the new projects IDL file
4. In the Class View, right click the ATL Control class and select Add->Implement Interface... The interface you want to implement should be in the dialog that appears. Select it and click Finish. This should create bare method definitions.

It's a bug in ATL that affects WTL. The readme.html file included with
WTL7.5 (the latest WTL version, available at
http://sourceforge.net/projects/wtl) describes the workaround:

... Surround atlbase.h include declaration with following statements:

#define ATL ATLFIX
#include <atlapp.h>

#undef ATL

namespace ATL = ::ATLFIX;

It also describes the nature of the bug and the reason for the error
message.

#include <iostream>

class A
{
public:
   void M() { std::cout << "A::M - this = " << (int)this << "\n"; }
   virtual void X() { std::cout << "A::X - this = " << (int)this << "\n"; }
};

class B
{
public:
   void N() { std::cout << "B::N - this = " << (int)this << "\n"; }
   virtual void Y() { std::cout << "B::X - this = " << (int)this << "\n"; }
};

class C : public A, public B
{
public:
   void M() { std::cout << "C::M - this = " << (int)this << "\n"; }
   void N() { std::cout << "C::N - this = " << (int)this << "\n"; }
   virtual void X() { std::cout << "C::X - this = " << (int)this << "\n"; }
   virtual void Y() { std::cout << "C::Y - this = " << (int)this << "\n"; }
};

int main(int, char**)
{
   C c;
   
   // Call C::X through C
   c.X();
   // Call A::X through C
   c.A::X();
   // Call C::X through A*
   static_cast<A*>(&c)->X();
   // Call A::X through A*
   static_cast<A*>(&c)->A::X();
   
   // Call C::M through C
   c.M();
   // Call A::M through C
   c.A::M();
   // Call A::M through A*
   static_cast<A*>(&c)->M();
   // Call A::M through A*
   static_cast<A*>(&c)->A::M();

   // Call C::Y through C
   c.Y();
   // Call B::Y through C
   c.B::Y();
   // Call C::Y through B*
   static_cast<B*>(&c)->Y();
   // Call B::Y through B*
   static_cast<B*>(&c)->B::Y();
}

Demian Panello wrote:

I have added the WM_DRAWITEM function but the program never reach that function.

VuNic wrote:

It disturbs the previous connection

VuNic wrote:

Today I dont wanna disturb Google today

VuNic wrote:

is it not supposed to run on its own space?

led mike wrote:

Perhaps you should have considered the "threading" model for your ATL project.

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<marquee scrollamount="1" scrolldelay="1" direction="up" height="10" step="1">--[ ]--

[My Current Status]

Link2006 wrote:Let's take it outside of CP
Jeremy : Please don't.I would love to see this.I'm making the popcorn already.

VuNic wrote:

Can you point me to some resources that actually deals with this?

VuNic wrote:

But this never happens when I use the Dll with a windows application.

VuNic wrote:

It's an appartment threaded model

VuNic wrote:

I've done everything to make sure it's thread safe.