3.13

7zip/FileManager/PluginLoader.h

@@ -0,0 +1,34 @@
+// PluginLoader.h
+
+#pragma once
+
+#ifndef __PLUGINLOADER_H
+#define __PLUGINLOADER_H
+
+#include "Windows/DLL.h"
+
+typedef UINT32 (WINAPI * CreateObjectPointer)(
+    const GUID *clsID, 
+    const GUID *interfaceID, 
+    void **outObject);
+
+class CPluginLibrary: public NWindows::NDLL::CLibrary 
+{
+public:
+  HRESULT CreateManager(REFGUID clsID, IFolderManager **manager)
+  {
+    CreateObjectPointer createObject = (CreateObjectPointer)
+        GetProcAddress("CreateObject");
+    if (createObject == NULL)
+      return GetLastError();
+    return createObject(&clsID, &IID_IFolderManager, (void **)manager);
+  }
+  HRESULT LoadAndCreateManager(LPCTSTR filePath, REFGUID clsID, IFolderManager **manager)
+  {
+    if (!Load(filePath))
+      return GetLastError();
+    return CreateManager(clsID, manager);
+  }
+};
+
+#endif