Feature/async

ComplexProperties/Attachment.cs

@@ -311,6 +311,19 @@ internal void InternalLoad(BodyType? bodyType, IEnumerable<PropertyDefinitionBas
                 additionalProperties);
         }
 
+        /// <summary>
+        /// Load the attachment.
+        /// </summary>
+        /// <param name="bodyType">Type of the body.</param>
+        /// <param name="additionalProperties">The additional properties.</param>
+        internal async System.Threading.Tasks.Task InternalLoadAsync(BodyType? bodyType, IEnumerable<PropertyDefinitionBase> additionalProperties)
+        {
+            await this.service.GetAttachmentAsync(
+                this,
+                bodyType,
+                additionalProperties);
+        }
+
         /// <summary>
         /// Validates this instance.
         /// </summary>
@@ -326,5 +339,13 @@ public void Load()
         {
             this.InternalLoad(null, null);
         }
+
+        /// <summary>
+        /// Loads the attachment. Calling this method results in a call to EWS.
+        /// </summary>
+        public async System.Threading.Tasks.Task LoadAsync()
+        {
+            await this.InternalLoadAsync(null, null);
+        }
     }
 }

ComplexProperties/FileAttachment.cs

@@ -201,6 +201,24 @@ public void Load(Stream stream)
             }
         }
 
+        /// <summary>
+        /// Loads the content of the file attachment into the specified stream. Calling this method results in a call to EWS.
+        /// </summary>
+        /// <param name="stream">The stream to load the content of the attachment into.</param>
+        public async System.Threading.Tasks.Task LoadAsync(Stream stream)
+        {
+            this.loadToStream = stream;
+
+            try
+            {
+                await this.LoadAsync();
+            }
+            finally
+            {
+                this.loadToStream = null;
+            }
+        }
+
         /// <summary>
         /// Loads the content of the file attachment into the specified file. Calling this method results in a call to EWS.
         /// </summary>
@@ -224,6 +242,29 @@ public void Load(string fileName)
             this.contentStream = null;
         }
 
+        /// <summary>
+        /// Loads the content of the file attachment into the specified file. Calling this method results in a call to EWS.
+        /// </summary>
+        /// <param name="fileName">The name of the file to load the content of the attachment into. If the file already exists, it is overwritten.</param>
+        public async System.Threading.Tasks.Task LoadAsync(string fileName)
+        {
+            this.loadToStream = new FileStream(fileName, FileMode.Create);
+
+            try
+            {
+                await this.LoadAsync();
+            }
+            finally
+            {
+                this.loadToStream.Dispose();
+                this.loadToStream = null;
+            }
+
+            this.fileName = fileName;
+            this.content = null;
+            this.contentStream = null;
+        }
+
         /// <summary>
         /// Gets the name of the file the attachment is linked to.
         /// </summary>
@@ -258,7 +299,7 @@ internal Stream ContentStream
             set
             {
                 this.ThrowIfThisIsNotNew();
-                
+
                 this.contentStream = value;
                 this.content = null;
                 this.fileName = null;
@@ -278,7 +319,7 @@ public byte[] Content
             internal set
             {
                 this.ThrowIfThisIsNotNew();
-                
+
                 this.content = value;
                 this.fileName = null;
                 this.contentStream = null;
@@ -290,7 +331,7 @@ internal set
         /// </summary>
         public bool IsContactPhoto
         {
-            get 
+            get
             {
                 EwsUtilities.ValidatePropertyVersion(this.Service, ExchangeVersion.Exchange2010, "IsContactPhoto");