/// <summary>
/// A structured resource embedded in an executable module.
/// </summary>
/// <param name = "hModule">Module handle.</param>
/// <param name = "hResource">Resource handle.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "language">Language ID.</param>
/// <param name = "size">Resource size.</param>
internal Resource(IntPtr hModule, IntPtr hResource, ResourceId type, ResourceId name, UInt16 language, int size) {
_hModule = hModule;
_type = type;
_name = name;
_language = language;
_hResource = hResource;
_size = size;
LockAndReadResource(hModule, hResource);
}
/// <summary>
/// An existing string resource.
/// </summary>
/// <param name = "hModule">Module handle.</param>
/// <param name = "hResource">Resource ID.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "language">Language ID.</param>
/// <param name = "size">Resource size.</param>
public StringResource(IntPtr hModule, IntPtr hResource, ResourceId type, ResourceId name, UInt16 language, int size)
: base(hModule, hResource, type, name, language, size)
{
}
/// <summary>
/// A new string resource of a given block id.
/// </summary>
/// <param name = "blockId">Block id.</param>
public StringResource(ResourceId blockId)
: base(IntPtr.Zero, IntPtr.Zero, new ResourceId(ResourceTypes.RT_STRING), blockId, ResourceUtil.NEUTRALLANGID, 0)
{
}
/// <summary>
/// Save a resource to an executable (.exe or .dll) file.
/// </summary>
/// <param name = "filename">Path to an executable file.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "langid">Language id.</param>
internal void SaveTo(string filename, ResourceId type, ResourceId name, UInt16 langid)
{
var data = WriteAndGetBytes();
SaveTo(filename, type, name, langid, data);
}
/// <summary>
/// Load a resource from an executable (.exe or .dll) module.
/// </summary>
/// <param name = "hModule">An executable (.exe or .dll) module.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "lang">Resource language.</param>
internal void LoadFrom(IntPtr hModule, ResourceId type, ResourceId name, UInt16 lang)
{
if (IntPtr.Zero == hModule) {
throw new Win32Exception(Marshal.GetLastWin32Error());
}
var hRes = Kernel32.FindResourceEx(hModule, type.Id, name.Id, lang);
if (IntPtr.Zero == hRes) {
throw new Win32Exception(Marshal.GetLastWin32Error());
}
var hGlobal = Kernel32.LoadResource(hModule, hRes);
if (IntPtr.Zero == hGlobal) {
throw new Win32Exception(Marshal.GetLastWin32Error());
}
var 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());
}
_type = type;
_name = name;
_language = lang;
Read(hModule, lpRes);
}
/// <summary>
/// Load a resource from an executable (.exe or .dll) file.
/// </summary>
/// <param name = "filename">An executable (.exe or .dll) file.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "lang">Resource language.</param>
internal void LoadFrom(string filename, ResourceId type, ResourceId name, UInt16 lang)
{
var hModule = IntPtr.Zero;
try {
hModule = Kernel32.LoadLibraryEx(filename, IntPtr.Zero, Kernel32Contants.DONT_RESOLVE_DLL_REFERENCES | Kernel32Contants.LOAD_LIBRARY_AS_DATAFILE);
LoadFrom(hModule, type, name, lang);
}
finally {
if (hModule != IntPtr.Zero) {
Kernel32.FreeLibrary(hModule);
}
}
}
/// <summary>
/// Save a resource to an executable (.exe or .dll) file.
/// </summary>
/// <param name = "filename">Path to an executable file.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "lang">Resource language.</param>
/// <param name = "data">Resource data.</param>
internal static void SaveTo(string filename, ResourceId type, ResourceId name, UInt16 lang, byte[] data)
{
var h = Kernel32.BeginUpdateResource(filename, false);
if (h == IntPtr.Zero) {
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (!Kernel32.UpdateResource(h, type.Id, name.Id, lang, data, (data == null ? 0 : (uint) data.Length))) {
throw new Win32Exception(Marshal.GetLastWin32Error());
}
if (!Kernel32.EndUpdateResource(h, false)) {
throw new Win32Exception(Marshal.GetLastWin32Error());
}
}
/// <summary>
/// Delete a resource from an executable (.exe or .dll) file.
/// </summary>
/// <param name = "filename">Path to an executable file.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "lang">Resource language.</param>
public static void Delete(string filename, ResourceId type, ResourceId name, UInt16 lang)
{
SaveTo(filename, type, name, lang, null);
}
/// <summary>
/// An existing icon resource.
/// </summary>
/// <param name = "hModule">Module handle.</param>
/// <param name = "hResource">Resource ID.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "language">Language ID.</param>
/// <param name = "size">Resource size.</param>
internal IconResource(IntPtr hModule, IntPtr hResource, ResourceId type, ResourceId name, UInt16 language, int size)
: base(hModule, hResource, type, name, language, size)
{
}
/// <summary>
/// Convert into an icon resource that can be written into an executable.
/// </summary>
/// <param name = "icon">Icon image.</param>
/// <param name = "id">Icon Id.</param>
/// <param name = "language">Resource language.</param>
/// <returns>An icon resource.</returns>
public IconResource(IconFileIcon icon, ResourceId id, UInt16 language)
: base(icon, new ResourceId(ResourceTypes.RT_ICON), id, language)
{
}
/// <summary>
/// An existing font resource.
/// </summary>
/// <param name = "hModule">Module handle.</param>
/// <param name = "hResource">Resource ID.</param>
/// <param name = "type">Resource type.</param>
/// <param name = "name">Resource name.</param>
/// <param name = "language">Language ID.</param>
/// <param name = "size">Resource size.</param>
public FontDirectoryResource(IntPtr hModule, IntPtr hResource, ResourceId type, ResourceId name, UInt16 language, int size)
: base(hModule, hResource, type, name, language, size)
{
}
