1 files changed, 53 insertions, 0 deletions
diff --git a/CPP/Windows/MemoryGlobal.h b/CPP/Windows/MemoryGlobal.h
new file mode 100644
index 00000000..3f44f742
--- /dev/null
+++ b/CPP/Windows/MemoryGlobal.h
@@ -0,0 +1,53 @@
+// Windows/MemoryGlobal.h
+
+#ifndef __WINDOWS_MEMORY_GLOBAL_H
+#define __WINDOWS_MEMORY_GLOBAL_H
+
+namespace NWindows {
+namespace NMemory {
+
+class CGlobal
+{
+  HGLOBAL _global;
+public:
+  CGlobal(): _global(NULL){};
+  ~CGlobal() { Free(); }
+  operator HGLOBAL() const { return _global; };
+  void Attach(HGLOBAL hGlobal)
+  {
+    Free();
+    _global = hGlobal;
+  }
+  HGLOBAL Detach()
+  {
+    HGLOBAL h = _global;
+    _global = NULL;
+    return h;
+  }
+  bool Alloc(UINT flags, SIZE_T size) throw();
+  bool Free() throw();
+  LPVOID Lock() const { return GlobalLock(_global); }
+  void Unlock() const { GlobalUnlock(_global); }
+  bool ReAlloc(SIZE_T size) throw();
+};
+
+class CGlobalLock
+{
+  HGLOBAL _global;
+  LPVOID _ptr;
+public:
+  LPVOID GetPointer() const { return _ptr; }
+  CGlobalLock(HGLOBAL hGlobal): _global(hGlobal)
+  {
+    _ptr = GlobalLock(hGlobal);
+  };
+  ~CGlobalLock()
+  {
+    if (_ptr != NULL)
+      GlobalUnlock(_global);
+  }
+};
+
+}}
+
+#endif