/// <summary>
/// Initializes a new instance of the <see cref="ExtendedProperty"/> class.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="value">The value.</param>
public ExtendedProperty(ExtendedPropertyTag tag, DateTime value)
{
this.tag = tag;
DateTime year1601 = new DateTime(1601, 1, 1);
TimeSpan timeSpan = value.ToUniversalTime().Subtract(year1601);
long ticks = timeSpan.Ticks;
byte[] ticksBytes = BitConverter.GetBytes(ticks);
this.value = ticksBytes;
}
/// <summary>
/// Initializes a new instance of the <see cref="ExtendedProperty"/> class.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="value">The value.</param>
/// <exception cref="System.ArgumentNullException">
/// tag
/// or
/// value
/// </exception>
public ExtendedProperty(ExtendedPropertyTag tag, string[] value)
{
if (tag == null)
{
throw new ArgumentNullException("tag");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
this.tag = tag;
if (value != null && value.Length > 0)
{
System.IO.MemoryStream memoryStream = new System.IO.MemoryStream();
using (memoryStream)
{
uint count = (uint)value.Length;
byte[] countBuffer = BitConverter.GetBytes(count);
memoryStream.Write(countBuffer, 0, countBuffer.Length);
for (int i = 0; i < count; i++)
{
if (tag.Type == PropertyType.String)
{
byte[] buffer = System.Text.Encoding.Unicode.GetBytes(value[i]);
byte[] lengthBuffer = BitConverter.GetBytes(buffer.Length);
memoryStream.Write(lengthBuffer, 0, lengthBuffer.Length);
memoryStream.Write(buffer, 0, buffer.Length);
}
else
{
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(value[i]);
byte[] lengthBuffer = BitConverter.GetBytes(buffer.Length);
memoryStream.Write(lengthBuffer, 0, lengthBuffer.Length);
memoryStream.Write(buffer, 0, buffer.Length);
}
}
this.value = memoryStream.ToArray();
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ExtendedProperty"/> class.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="value">The value.</param>
/// <exception cref="System.ArgumentNullException">
/// tag
/// or
/// value
/// </exception>
public ExtendedProperty(ExtendedPropertyTag tag, string value)
{
if (tag == null)
{
throw new ArgumentNullException("tag");
}
if (value == null)
{
throw new ArgumentNullException("value");
}
this.tag = tag;
if (tag.Type == PropertyType.String)
{
this.value = System.Text.Encoding.Unicode.GetBytes(value);
}
else
{
this.value = System.Text.Encoding.UTF8.GetBytes(value);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ExtendedProperty"/> class.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="value">The value.</param>
public ExtendedProperty(ExtendedPropertyTag tag, long value)
{
this.tag = tag;
this.value = BitConverter.GetBytes(value);
}
/// <summary>
/// Initializes a new instance of the <see cref="ExtendedProperty"/> class.
/// </summary>
/// <param name="tag">The tag.</param>
public ExtendedProperty(ExtendedPropertyTag tag)
{
this.tag = tag;
}
/// <summary>
/// Initializes a new instance of the <see cref="ExtendedProperty"/> class.
/// </summary>
/// <param name="tag">The tag.</param>
/// <param name="value">The value.</param>
public ExtendedProperty(ExtendedPropertyTag tag, byte[] value)
{
this.tag = tag;
this.value = value;
}
/// <summary>
/// Gets the <see cref="ExtendedProperty"/> with the specified tag.
/// </summary>
/// <param name="tag">The tag.</param>
/// <returns>ExtendedProperty.</returns>
public ExtendedProperty this[ExtendedPropertyTag tag]
{
get
{
if (tag != null)
{
if (tag is ExtendedPropertyId)
{
ExtendedPropertyId extendedPropertyId = (ExtendedPropertyId)tag;
for (int i = 0; i < this.Count; i++)
{
ExtendedProperty current = this[i];
if (current.Tag is ExtendedPropertyId)
{
ExtendedPropertyId currentPropertyId = (ExtendedPropertyId)current.Tag;
if (currentPropertyId.Id == extendedPropertyId.Id)
{
bool isGuidEqual = true;
if (currentPropertyId.Guid != null && extendedPropertyId.Guid != null && currentPropertyId.Guid.Length == extendedPropertyId.Guid.Length)
{
for (int j = 0; j < currentPropertyId.Guid.Length; j++)
{
if (currentPropertyId.Guid[j] != extendedPropertyId.Guid[j])
{
isGuidEqual = false;
break;
}
}
}
if (isGuidEqual)
{
return(current);
}
}
}
}
}
else
{
ExtendedPropertyName extendedPropertyName = (ExtendedPropertyName)tag;
for (int i = 0; i < this.Count; i++)
{
ExtendedProperty current = this[i];
if (current.Tag is ExtendedPropertyName)
{
ExtendedPropertyName currentPropertyName = (ExtendedPropertyName)current.Tag;
if (currentPropertyName.Name == extendedPropertyName.Name)
{
bool isGuidEqual = true;
if (currentPropertyName.Guid != null && extendedPropertyName.Guid != null && currentPropertyName.Guid.Length == extendedPropertyName.Guid.Length)
{
for (int j = 0; j < currentPropertyName.Guid.Length; j++)
{
if (currentPropertyName.Guid[j] != extendedPropertyName.Guid[j])
{
isGuidEqual = false;
break;
}
}
}
if (isGuidEqual)
{
return(current);
}
}
}
}
}
}
return(null);
}
}
