/// <summary>
/// Writes the new PiPL resource to the specified unmanaged memory buffer.
/// </summary>
/// <param name="properties">The collection of PiPL resources to write.</param>
/// <param name="buffer">The unmanaged memory buffer to write to.</param>
/// <param name="bufferLength">The length of the unmanaged memory buffer.</param>
/// <exception cref="ArgumentNullException"><paramref name="properties"/> is null.</exception>
private static void WriteNewPIPLResource(ReadOnlyCollection <PIProperty> properties, IntPtr buffer, long bufferLength)
{
if (properties == null)
{
throw new ArgumentNullException(nameof(properties));
}
using (UnmanagedMemoryStreamEx stream = new UnmanagedMemoryStreamEx(buffer, bufferLength, FileAccess.Write))
{
// Write the PIPL resource header.
stream.WriteInt16(PIPLConstants.ResourceSignature);
stream.WriteInt32(PIPLConstants.ResourceVersion);
stream.WriteInt32(properties.Count);
// Write the PIPL resources.
for (int i = 0; i < properties.Count; i++)
{
properties[i].Write(stream);
}
}
}
/// <summary>
/// Writes the <see cref="PIProperty"/> to the specified stream.
/// </summary>
/// <param name="stream">The stream.</param>
/// <exception cref="ArgumentNullException"><paramref name="stream"/> is null.</exception>
public void Write(UnmanagedMemoryStreamEx stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
stream.WriteUInt32(vendorID);
stream.WriteUInt32(propertyKey);
stream.WriteInt32(propertyID);
stream.WriteInt32(propertyDataLength);
if (propertyData != null)
{
stream.Write(propertyData, 0, propertyData.Length);
if (propertyDataPaddingLength > 0)
{
byte[] padding = new byte[propertyDataPaddingLength];
stream.Write(padding, 0, propertyDataPaddingLength);
}
}
}
