public static ResourceBuffer LoadResource(
this SafeModuleHandle module, ResInfoHandle resource)
{
if (resource.IsInvalid)
{
throw new ArgumentException("Invalid resource info handle.");
}
ResDataHandle data = ResourceUnsafeNativeMethods.LoadResource(module, resource);
if (data.IsInvalid)
{
throw new Win32Exception();
}
uint size = ResourceUnsafeNativeMethods.SizeofResource(module, resource);
if (size == 0)
{
throw new Win32Exception();
}
ResourceBuffer ptr = ResourceUnsafeNativeMethods.LockResource(data);
ptr.Initialize(size);
return(ptr);
}
public static UnmanagedMemoryAccessor LoadResourceAccessor(
this SafeModuleHandle module, ResInfoHandle resource)
{
var ptr = module.LoadResource(resource);
var size = (long)ptr.ByteLength;
return(new UnmanagedMemoryAccessor(ptr, 0, size, FileAccess.Read));
}
public static unsafe UnmanagedMemoryStream LoadResourceStream(
this SafeModuleHandle module, ResInfoHandle resInfo)
{
var ptr = module.LoadResource(resInfo);
var size = (long)ptr.ByteLength;
return(new UnmanagedMemoryStream(
ptr.DangerousGetPointer(), size, size, FileAccess.Read));
}
public static byte[] LoadResourceData(
this SafeModuleHandle module, ResInfoHandle resource)
{
var ptr = module.LoadResource(resource);
var size = (long)ptr.ByteLength;
var data = new byte[size];
Marshal.Copy(ptr.DangerousGetHandle(), data, 0, data.Length);
return(data);
}
public static T LoadResourceData <T>(
this SafeModuleHandle module, ResInfoHandle resource)
{
var ptr = module.LoadResource(resource);
var size = (long)ptr.ByteLength;
var type = typeof(T);
if (size != Marshal.SizeOf(type))
{
return(default(T));
}
if (type.IsValueType && !type.IsPrimitive)
{
return(Marshal.PtrToStructure <T>(ptr.DangerousGetHandle()));
}
if (type == typeof(sbyte) || type == typeof(byte))
{
return((T)(object)Marshal.ReadByte(ptr.DangerousGetHandle()));
}
if (type == typeof(short) || type == typeof(ushort))
{
return((T)(object)Marshal.ReadInt16(ptr.DangerousGetHandle()));
}
if (type == typeof(int) || type == typeof(uint))
{
return((T)(object)Marshal.ReadInt32(ptr.DangerousGetHandle()));
}
if (type == typeof(long) || type == typeof(ulong))
{
return((T)(object)Marshal.ReadInt64(ptr.DangerousGetHandle()));
}
throw new ArgumentException("Unable to marshal to type T.");
}
public static uint ResourceSize(this SafeModuleHandle module, ResInfoHandle resource)
{
return(ResourceUnsafeNativeMethods.SizeofResource(module, resource));
}
public static extern uint SizeofResource(
SafeModuleHandle hModule, ResInfoHandle hResInfo);
public static extern ResDataHandle LoadResource(
SafeModuleHandle hModule, ResInfoHandle hResInfo);
