/// <summary>
/// Delete a resource from the WinPE image.
/// Important note: If the target resource was added via ADD or UPDATE
/// in this class (and via BeginUpdateResource in general), this process
/// fails with an error 87 (bad parameter).
/// I have no idea why at this point.
/// If the resource in question already existed within the file (defined at
/// compile time, for instance), then there usually is no problem deleting it.
/// </summary>
/// <param name="ResType"></param>
/// <param name="ResName"></param>
/// <param name="wLanguage"></param>
/// <remarks></remarks>
public void Delete(object ResType, object ResName, short wLanguage = 0)
{
int Result;
// Warning!!! Optional parameters not supported
IntPtr hUpdate = ResourceAPIs.BeginUpdateResource(this.FileName, 0);
if (hUpdate.ToInt32() == 0)
{
throw new ResWriteCantOpenException(this.FileName, Marshal.GetLastWin32Error());
}
if (ResType is string)
{
// Restype is a resource name
if (ResName is string)
{
Result = ResourceAPIs.UpdateResource(hUpdate, ResType.ToString().ToUpper(), ResName.ToString().ToUpper(), wLanguage, IntPtr.Zero, 0);
}
else
{
Result = ResourceAPIs.UpdateResource(hUpdate, ResType.ToString().ToUpper(), int.Parse(ResName.ToString()), wLanguage, IntPtr.Zero, 0);
}
}
else
{
// Restype is a numeric resource ID
if (ResName is string)
{
Result = ResourceAPIs.UpdateResource(hUpdate, int.Parse(ResType.ToString()), ResName.ToString().ToUpper(), wLanguage, IntPtr.Zero, 0);
}
else
{
Result = ResourceAPIs.UpdateResource(hUpdate, int.Parse(ResType.ToString()), int.Parse(ResName.ToString()), wLanguage, IntPtr.Zero, 0);
}
}
if (Result == 0)
{
throw new ResWriteCantDeleteException(Marshal.GetLastWin32Error());
}
Result = ResourceAPIs.EndUpdateResource(hUpdate, 0);
if (Result == 0)
{
throw new ResWriteCantEndException(Marshal.GetLastWin32Error());
}
}
// '' <summary>
// '' Update a resource using a raw byte buffer
// '' </summary>
// '' <param name="ResType"></param>
// '' <param name="ResName"></param>
// '' <param name="wLanguage"></param>
// '' <param name="NewValue"></param>
// '' <remarks></remarks>
public void Update(object ResType, object ResName, short wLanguage, ref List <byte> NewValue)
{
int Result;
IntPtr hUpdate = ResourceAPIs.BeginUpdateResource(this.FileName, 0);
if (hUpdate == IntPtr.Zero)
{
throw new ResWriteCantOpenException(this.FileName, Marshal.GetLastWin32Error());
}
// guarantee data is aligned to 4 byte boundary
// not sure if this is strictly necessary, but it's documented
int l = NewValue.Count;
int Mod = (l % 4);
if ((Mod > 0))
{
l += 4 - Mod;
}
byte[] buf = new byte[l];
NewValue.ToArray().CopyTo(buf, 0);
// important note, The Typename and Resourcename are
// written as UPPER CASE. I'm not sure why but this appears to
// be required for the FindResource and FindResourceEx API calls to
// be able to work properly. Otherwise, they'll never find the resource
// entries...
if (ResType is string)
{
// Restype is a resource type name
if (ResName is string)
{
Result = ResourceAPIs.UpdateResource(hUpdate, ResType.ToString().ToUpper(), ResName.ToString().ToUpper(), wLanguage, buf, l);
}
else
{
Result = ResourceAPIs.UpdateResource(hUpdate, ResType.ToString().ToUpper(), int.Parse(ResName.ToString()), wLanguage, buf, l);
}
}
else
{
// Restype is a numeric resource ID
if (ResName is string)
{
Result = ResourceAPIs.UpdateResource(hUpdate, int.Parse(ResType.ToString()), ResName.ToString().ToUpper(), wLanguage, buf, l);
}
else
{
Result = ResourceAPIs.UpdateResource(hUpdate, int.Parse(ResType.ToString()), int.Parse(ResName.ToString()), wLanguage, buf, l);
}
}
if ((Result == 0))
{
throw new ResWriteCantUpdateException(Marshal.GetLastWin32Error());
}
Result = ResourceAPIs.EndUpdateResource(hUpdate, 0);
if ((Result == 0))
{
throw new ResWriteCantEndException(Marshal.GetLastWin32Error());
}
}