C / C++ / MFC

static UINT m_myStatic;

void MyFunc(){ m_myStatic = NULL; }  

class myClass
{  
    // This doesn't work...WHY..???  
    void MyFunc(){ m_myStatic = NULL; }  
    static UINT m_myStatic;
};

// Somewhere in the implementation file
UINT myClass::m_myStatic = NULL;

// Interface
class myClass{
  public:
    static WNDPROC m_wndProc;
  protected:
    void SubclassMyWindow();
};

// Implementation
void myClass::SubclassMyWindow()
{
  m_wndProc = NULL; // Unresolved linker error
}

class myClass
{
  static UINT  m_myStatic;
  void MyFunc(void)  {  m_myStatic = NULL;  }
};

<br />
// Somewhere in the implementation file<br />
UINT myClass::m_myStatic = NULL;<br />

SetWindowText(_T("The Dialog Caption"));

//  m_pMyDialog is a pointer to the modeless dialog
m_pMyDialog->SetWindowText(_T("New Caption"));

class CEditorDlg : public CDialog
{
// Construction
public:
	CEditorDlg(CWnd* pParent = NULL);
	CFont myFont;

//  stdafx.h (somewhere after all the ATL stuff)
#include <string>

using namespace std;

typedef basic_string<TCHAR>  tstring;  //  allows us to have a _UNICODE / _MCBS safe string

//  process.h
class CProcess
{
  //  ...

private:
  tstring  m_strEXEPath;

public:
  //  this is so you can get to it from outside COM within your project
  LPCTSTR  path(void)  {  return m_strEXEPath.c_str();  }

  //  ...

};  //  class CProcess

//  process.cpp
STDMETHODIMP CProcess::put_EXEPath(BSTR newVal)
{
  USES_CONVERSION;
<br>
  m_strEXEPath = BSTR2T(newVal);
<br>
  return S_OK;
}

STDMETHODIMP CProcess::get_EXEPath(BSTR* pVal)
{
  if (NULL == pVal)  return E_POINTER;

  *pVal = CComBSTR(m_strEXEPath.c_str()).Detach();

  return S_OK;
}