using System;
using System.Collections;
using YourDICOM;

class SamplePrivateDictionary:YourDICOM.IDictionary
{
    /// <summary>
    /// Private hashtable of tag-VR pairs
    /// </summary>
    private static Hashtable table = new Hashtable();

    /// <summary>
    /// Private tag enumerations
    /// </summary>
    public enum TAGS:uint
    {
        COMPRESSION_RATIO		= 0X00030003,
	KEY_IMAGE_FLAG			= 0X00030005,
	ANNOTATING_DOCTOR		= 0X0003000F,
	ANNOTATION_DATE			= 0X00030011,
	LINE_ANNOTATION			= 0X00030013,
	TEXT_ANNOTATION			= 0X00030015,
	MEASURE_ANNOTATION		= 0X00030017,
	ANGLE_ANNOTATION		= 0X00030019,
	AUDIO_ANNOTATION		= 0X0003001B,
	CURSOR_ANNOTATION		= 0X0003001D,
	COMPATABILITY51			= 0X00050001,
	COMPRESSION_LIBRARY_NAME	= 0X00050003,
	VERSION				= 0X00050005,
	OFFSET_ADDED_TO_EVERY_PIXEL	= 0X00050007,
	COMPRESSED_DICOM_ANNOTATIONS	= 0X00050009,
	SITE_CODE			= 0X0005000B,
	TECH_SETTINGS			= 0X0005000D,
	PREV_ANNOTATING_DOCTOR		= 0X0005000F,
	PREV_ANNOTATION_DATE		= 0X00050011,
	PREV_LINE_ANNOTATION		= 0X00050013,
	PREV_TEXT_ANNOTATION		= 0X00050015,
	PREV_MEASURE_ANNOTATION		= 0X00050017,
	PREV_ANGLE_ANNOTATION		= 0X00050019,
	PREV_AUDIO_ANNOTATION		= 0X0005001B,
	PREV_CURSOR_ANNOTATION		= 0X0005001D,
	ZOOM_X_SOURCE			= 0X0005001F,
	ZOOM_Y_SOURCE			= 0X00050021,
	ZOOM_X_FACTOR			= 0X00050023,
	ZOOM_Y_FACTOR			= 0X00050025,
	INFO				= 0X00050027
	}

    /// <summary>
    /// Standard static constructor because their should be only one
    /// </summary>
    static SamplePrivateDictionary()
    {
	table.Add(TAGS.COMPRESSION_RATIO, Element.VR.OB);
	table.Add(TAGS.KEY_IMAGE_FLAG, Element.VR.SS);
	table.Add(TAGS.ANNOTATING_DOCTOR, Element.VR.CS);
	table.Add(TAGS.ANNOTATION_DATE, Element.VR.CS);
	table.Add(TAGS.LINE_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.TEXT_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.MEASURE_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.ANGLE_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.AUDIO_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.CURSOR_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.COMPATABILITY51, Element.VR.SL);
	table.Add(TAGS.COMPRESSION_LIBRARY_NAME, Element.VR.CS);
	table.Add(TAGS.VERSION, Element.VR.CS);
	table.Add(TAGS.OFFSET_ADDED_TO_EVERY_PIXEL, Element.VR.SS);
	table.Add(TAGS.COMPRESSED_DICOM_ANNOTATIONS, Element.VR.OB);
	table.Add(TAGS.SITE_CODE, Element.VR.CS);
	table.Add(TAGS.TECH_SETTINGS, Element.VR.IS);
	table.Add(TAGS.PREV_ANNOTATING_DOCTOR, Element.VR.OB);
	table.Add(TAGS.PREV_ANNOTATION_DATE, Element.VR.OB);
	table.Add(TAGS.PREV_LINE_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.PREV_TEXT_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.PREV_MEASURE_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.PREV_ANGLE_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.PREV_AUDIO_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.PREV_CURSOR_ANNOTATION, Element.VR.OB);
	table.Add(TAGS.ZOOM_X_SOURCE, Element.VR.OB);
	table.Add(TAGS.ZOOM_Y_SOURCE, Element.VR.OB);
	table.Add(TAGS.ZOOM_X_FACTOR, Element.VR.OB);
	table.Add(TAGS.ZOOM_Y_FACTOR, Element.VR.OB);
	table.Add(TAGS.INFO, Element.VR.OB);
    }

    /// <summary>
    /// Get VR or tag
    /// </summary>
    /// <returns>Known VR or exception thrown</returns>
    public Element.VR Vr(uint tag)
    {
	return (Element.VR)table[(TAGS)tag];
    }

    /// <summary>
    /// Ask if this tag exists in this dictionary
    /// </summary>
    /// <param name="tag">Tag</param>
    /// <returns>true if tag exists false otherwise</returns>
    public bool Exists(uint tag)
    {
	return table.Contains((TAGS)tag);
    }
}