Last change
on this file since 2768 was
2768,
checked in by mkommend, 14 years ago
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added solution folders and sources for the netron library (ticket #867)
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File size:
2.0 KB
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1 | using System;
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2 | using System.Collections.Generic;
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3 | using System.Text;
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4 | using System.ComponentModel;
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5 | namespace Netron.Diagramming.Core
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6 | {
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7 | /// <summary>
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8 | /// Type descriptor provider for all descendants of the <see cref="ConnectionBase"/> classes.
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9 | /// </summary>
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10 | class ConnectionProvider : TypeDescriptionProvider
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11 | {
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12 | #region Fields
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13 |
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14 | /// <summary>
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15 | /// connection descriptor
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16 | /// </summary>
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17 | private static ConnectionDescriptor connectionDescriptor;
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18 |
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19 |
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20 | #endregion
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21 |
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22 | #region Properties
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23 |
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24 |
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25 | #endregion
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26 |
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27 | #region Constructor
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28 | /// <summary>
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29 | /// Initializes a new instance of the <see cref="T:ConnectionProvider"/> class.
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30 | /// </summary>
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31 | public ConnectionProvider()
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32 | {
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33 | connectionDescriptor = new ConnectionDescriptor(this, typeof(ConnectionBase));
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34 | }
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35 | #endregion
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36 |
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37 | #region Methods
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38 | /// <summary>
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39 | /// Gets a custom type descriptor for the given type and object.
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40 | /// </summary>
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41 | /// <param name="objectType">The type of object for which to retrieve the type descriptor.</param>
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42 | /// <param name="instance">An instance of the type. Can be null if no instance was passed to the <see cref="T:System.ComponentModel.TypeDescriptor"></see>.</param>
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43 | /// <returns>
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44 | /// An <see cref="T:System.ComponentModel.ICustomTypeDescriptor"></see> that can provide metadata for the type.
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45 | /// </returns>
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46 | public override ICustomTypeDescriptor GetTypeDescriptor(Type objectType, object instance)
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47 | {
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48 | if (typeof(ConnectionBase).IsInstanceOfType(instance))
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49 | {
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50 | return connectionDescriptor;
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51 | }
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52 | else //if nothing found use the base descriptor
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53 | return base.GetTypeDescriptor(objectType, instance);
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54 |
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55 | }
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56 | #endregion
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57 |
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58 | }
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59 |
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60 | }
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