/// <summary>
/// Convrts the structure to the native representation.
/// </summary>
/// <returns>The native representation of the signature.</returns>
internal NATIVE_SIGNATURE GetNativeSignature()
{
var native = new NATIVE_SIGNATURE
{
ulRandom = this.ulRandom,
szComputerName = this.szComputerName,
logtimeCreate = this.logtimeCreate,
};
return(native);
}
/// <summary>
/// Generate the serialized representation of the structure.
/// </summary>
/// <returns>The structure as a byte array.</returns>
public byte[] ToBytes()
{
NATIVE_SIGNATURE nativeSignature = this.GetNativeSignature();
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(nativeSignature));
Marshal.StructureToPtr(nativeSignature, ptr, false);
byte[] bytes = new byte[Marshal.SizeOf(nativeSignature)];
Marshal.Copy(ptr, bytes, 0, Marshal.SizeOf(nativeSignature));
Marshal.FreeHGlobal(ptr);
return(bytes);
}
/// <summary>
/// Initializes a new instance of the <see cref="JET_SIGNATURE"/> struct.
/// </summary>
/// <param name="bytes">The serialized representation of a JET_SIGNATURE from ToBytes().</param>
public JET_SIGNATURE(byte[] bytes)
{
var nativeSignature = new NATIVE_SIGNATURE();
IntPtr ptr = Marshal.AllocHGlobal(Marshal.SizeOf(nativeSignature));
Marshal.Copy(bytes, 0, ptr, Marshal.SizeOf(nativeSignature));
for (int i = bytes.Length; i < Marshal.SizeOf(nativeSignature); i++)
{
Marshal.WriteByte(ptr, i, 0);
}
nativeSignature = (NATIVE_SIGNATURE)Marshal.PtrToStructure(ptr, nativeSignature.GetType());
Marshal.FreeHGlobal(ptr);
this.ulRandom = nativeSignature.ulRandom;
this.logtimeCreate = nativeSignature.logtimeCreate;
this.szComputerName = nativeSignature.szComputerName;
}
/// <summary>
/// Initializes a new instance of the <see cref="JET_SIGNATURE"/> struct.
/// </summary>
/// <param name="native">A native signature to initialize the members with.</param>
internal JET_SIGNATURE(NATIVE_SIGNATURE native)
{
this.ulRandom = native.ulRandom;
this.logtimeCreate = native.logtimeCreate;
this.szComputerName = native.szComputerName;
}