The following code displays a list of messages and entities that support plug-ins. This sample code can be found in the following file in the SDK download:
1: //# [How to Retrieve a List of Messages and Entities that Support Plug-ins ]
2: using System;
3: using System.Collections;
4: using CrmSdk;
5: using MetadataServiceSdk;
6: using Microsoft.Crm.Sdk.Utility;
7: 8: namespace Microsoft.Crm.Sdk.HowTo
9: {10: public class RetrieveSupportedMessages
11: {12: public static bool Run(string crmServerUrl, string orgName)
13: {14: bool success = true;
15: 16: // Store all Create, Retrieve, Update, and Delete sdk messages supported by the account entity for verification.
17: ArrayList crudMessagesForVerification = new ArrayList();
18: 19: try
20: {21: // Set up the CRM Services.
22: CrmService service = 23: Microsoft.Crm.Sdk.Utility.CrmServiceUtility.GetCrmService( 24: crmServerUrl, orgName);25: service.PreAuthenticate = true;
26: 27: MetadataService metadataService = 28: Microsoft.Crm.Sdk.Utility.CrmServiceUtility.GetMetadataService( 29: crmServerUrl, orgName);30: metadataService.PreAuthenticate = true;
31: 32: // Retrieve a list of all entities.
33: RetrieveAllEntitiesRequest allEntitiesRequest = 34: new RetrieveAllEntitiesRequest();
35: allEntitiesRequest.RetrieveAsIfPublished = true;
36: allEntitiesRequest.MetadataItems = MetadataItems.EntitiesOnly; 37: 38: // Execute the request.
39: RetrieveAllEntitiesResponse allEntitiesResponse = 40: (RetrieveAllEntitiesResponse)metadataService.Execute(allEntitiesRequest); 41: 42: // Create a query to get all related sdk messages.
43: // An example SQL query that will be built for every entity:
44: // SELECT sdkmessage.name
45: // FROM sdkmessage
46: // INNER JOIN sdkmessagefilter ON sdkmessagefilter.skdmessageid = sdkmessage.skdmessageid
47: // WHERE sdkmessagefilter.primaryobjecttypecode = entity.LogicalName;
48: QueryExpression supportedMessagesQuery = new QueryExpression();
49: 50: // Iterate through the retrieved entities.
51: foreach (EntityMetadata entity in allEntitiesResponse.CrmMetadata)
52: {53: // Retrieve the supported message name for this entity.
54: ColumnSet sdkMessageColumns = new ColumnSet();
55: sdkMessageColumns.Attributes = new string[] { "name" };
56: 57: // Build the WHERE clause condition.
58: ConditionExpression schemaNameCondition = new ConditionExpression();
59: schemaNameCondition.AttributeName = "primaryobjecttypecode";
60: schemaNameCondition.Operator = ConditionOperator.Equal;61: schemaNameCondition.Values = new object[1];
62: schemaNameCondition.Values[0] = entity.LogicalName; 63: 64: // Create the WHERE clause filter.
65: FilterExpression whereExpression = new FilterExpression();
66: whereExpression.Conditions = 67: new ConditionExpression[] { schemaNameCondition };
68: 69: // Create the inner join link.
70: LinkEntity innerJoinAccount = new LinkEntity();
71: innerJoinAccount.JoinOperator = JoinOperator.Inner; 72: innerJoinAccount.LinkCriteria = whereExpression;73: innerJoinAccount.LinkFromAttributeName = "sdkmessageid";
74: innerJoinAccount.LinkFromEntityName = 75: EntityName.sdkmessage.ToString();76: innerJoinAccount.LinkToAttributeName = "sdkmessageid";
77: innerJoinAccount.LinkToEntityName = 78: EntityName.sdkmessagefilter.ToString(); 79: 80: // Set the query properties.
81: supportedMessagesQuery.EntityName = EntityName.sdkmessage.ToString(); 82: supportedMessagesQuery.ColumnSet = sdkMessageColumns; 83: supportedMessagesQuery.LinkEntities = 84: new LinkEntity[] { innerJoinAccount };
85: 86: // Retrieve all sdkmessage names for this entity.
87: BusinessEntityCollection coll = 88: service.RetrieveMultiple(supportedMessagesQuery); 89: 90: // Output the supported messages for this entity
91: Console.WriteLine("============================================================================");
92: Console.WriteLine("Entity: " + entity.LogicalName);
93: if (coll.BusinessEntities.Length > 0)
94: {95: Console.WriteLine("Supported Messages:");
96: }97: else
98: {99: Console.WriteLine("No Messages Supported.");
100: }101: string sdkMessageName = string.Empty;
102: foreach(BusinessEntity anSdkMessage in coll.BusinessEntities)
103: { 104: sdkMessageName = ((sdkmessage)anSdkMessage).name;105: Console.WriteLine("\t\t" + sdkMessageName);
106: 107: // Verify that the account entity supports create, retrieve, update, delete.
108: if (entity.LogicalName == EntityName.account.ToString())
109: {110: // Store all Create, Retrieve, Update, and Delete messages.
111: if (sdkMessageName == "Create" || sdkMessageName == "Retrieve" ||
112: sdkMessageName == "Update" || sdkMessageName == "Delete")
113: { 114: crudMessagesForVerification.Add(sdkMessageName); 115: } 116: } 117: } 118: } 119: 120: #region check success
121: 122: // Validate that the 4 Create, Retrieve, Update, and Delete messages were found.
123: if (crudMessagesForVerification.Count != 4)
124: {125: success = false;
126: } 127: 128: #endregion
129: }130: catch (System.Web.Services.Protocols.SoapException)
131: {132: // Perform error handling here.
133: throw;
134: }135: catch (Exception)
136: {137: throw;
138: } 139: 140: return success;
141: } 142: } 143: }
