public Resource(IntPtr hModule, IntPtr hResource, IntPtr type, IntPtr name, ushort wIDLanguage, int size)
{
_hModule = hModule;
_type = ResourceUtil.GetResourceName(type);
_name = ResourceUtil.GetResourceName(name);
_language = wIDLanguage;
_hResource = hResource;
_size = size;
}
public void LoadFrom(string filename, IntPtr name, IntPtr type)
{
_type = ResourceUtil.GetResourceName(type);
_name = ResourceUtil.GetResourceName(name);
IntPtr hModule = IntPtr.Zero;
try
{
hModule = Kernel32.LoadLibraryEx(filename, IntPtr.Zero,
Kernel32.DONT_RESOLVE_DLL_REFERENCES | Kernel32.LOAD_LIBRARY_AS_DATAFILE);
if (IntPtr.Zero == hModule)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr hRes = Kernel32.FindResource(hModule, name, type);
if (IntPtr.Zero == hRes)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr hGlobal = Kernel32.LoadResource(hModule, hRes);
if (IntPtr.Zero == hGlobal)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
IntPtr lpRes = Kernel32.LockResource(hGlobal);
if (lpRes == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
_size = Kernel32.SizeofResource(hModule, hRes);
if (_size <= 0)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
Read(hModule, lpRes);
}
finally
{
if (hModule != IntPtr.Zero)
{
Kernel32.FreeLibrary(hModule);
}
}
}
/// <summary>
/// Enumerate resource types
/// </summary>
private bool EnumResourceTypesImpl(IntPtr hModule, IntPtr lpszType, IntPtr lParam)
{
string typename = ResourceUtil.GetResourceName(lpszType);
_resourceTypes.Add(typename);
// enumerate resource names
if (!Kernel32.EnumResourceNames(hModule, lpszType, new Kernel32.EnumResourceNamesDelegate(EnumResourceNamesImpl), IntPtr.Zero))
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
return(true);
}
/// <summary>
/// Enumerate resource languages within a resource by name
/// </summary>
private bool EnumResourceLanguages(IntPtr hModule, IntPtr lpszType, IntPtr lpszName, ushort wIDLanguage, IntPtr lParam)
{
string type = ResourceUtil.GetResourceName(lpszType);
List <Resource> resources = null;
if (!_resources.TryGetValue(type, out resources))
{
resources = new List <Resource>();
_resources[type] = resources;
}
IntPtr hResource = Kernel32.FindResourceEx(hModule, lpszType, lpszName, wIDLanguage);
IntPtr hResourceGlobal = Kernel32.LoadResource(hModule, hResource);
int size = Kernel32.SizeofResource(hModule, hResource);
Resource rc = null;
switch (ResourceUtil.GetResourceName(lpszType))
{
case "16": // Kernel32.RT_VERSION:
rc = new VersionResource(hModule, hResourceGlobal, lpszType, lpszName, wIDLanguage, size);
break;
case "14": // Kernel32.RT_GROUP_ICON
rc = new GroupIconResource(hModule, hResourceGlobal, lpszType, lpszName, wIDLanguage, size);
break;
// \todo: specialize other resource types
default:
rc = new Resource(hModule, hResourceGlobal, lpszType, lpszName, wIDLanguage, size);
break;
}
resources.Add(rc);
return(true);
}