summaryrefslogtreecommitdiffstats
path: root/CPP/Windows/DLL.h
blob: 7d02887d91b5fa81490fa1c4addf5a68c1e3bdfb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
// Windows/DLL.h

#ifndef __WINDOWS_DLL_H
#define __WINDOWS_DLL_H

#include "../Common/MyString.h"

namespace NWindows {
namespace NDLL {

#ifdef UNDER_CE
#define My_GetProcAddress(module, proceName) GetProcAddressA(module, proceName)
#else
#define My_GetProcAddress(module, proceName) ::GetProcAddress(module, proceName)
#endif
 
class CLibrary
{
  bool LoadOperations(HMODULE newModule);
protected:
  HMODULE _module;
public:
  CLibrary(): _module(NULL) {};
  ~CLibrary() { Free(); }

  operator HMODULE() const { return _module; }
  HMODULE* operator&() { return &_module; }
  bool IsLoaded() const { return (_module != NULL); };

  void Attach(HMODULE m)
  {
    Free();
    _module = m;
  }
  HMODULE Detach()
  {
    HMODULE m = _module;
    _module = NULL;
    return m;
  }

  bool Free();
  bool LoadEx(LPCTSTR fileName, DWORD flags = LOAD_LIBRARY_AS_DATAFILE);
  bool Load(LPCTSTR fileName);
  #ifndef _UNICODE
  bool LoadEx(LPCWSTR fileName, DWORD flags = LOAD_LIBRARY_AS_DATAFILE);
  bool Load(LPCWSTR fileName);
  #endif
  FARPROC GetProc(LPCSTR procName) const { return My_GetProcAddress(_module, procName); }
};

bool MyGetModuleFileName(HMODULE hModule, CSysString &result);
#ifndef _UNICODE
bool MyGetModuleFileName(HMODULE hModule, UString &result);
#endif

}}

#endif