Added StandardOutput property to IProcess

Improved IProcess, ProcessWrap and unit tests.

SystemInterface/Diagnostics/IProcess.cs

@@ -1,5 +1,6 @@
 using System.ComponentModel;
 using System.Diagnostics;
+using SystemInterface.IO;
 
 namespace SystemInterface.Diagnostics
 {
@@ -62,6 +63,16 @@ namespace SystemInterface.Diagnostics
         /// <returns>true if the associated process has reached an idle state.</returns>
         bool WaitForInputIdle();
 
+        /// <summary>
+        /// Gets a stream used to read the output of the application.
+        /// </summary>
+        /// <value>
+        /// A <see cref="IStreamReader"/> implementation that can be used
+        /// to read the standard output stream of the application.
+        /// </value>
+        [MonitoringDescription("ProcessStandardOutput"), DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden), Browsable(false)]
+        IStreamReader StandardOutput { get; }
+
         /*
 
             // Events

SystemWrapper.Tests/Diagnostics/ProcessWrapTests.cs

@@ -30,5 +30,17 @@ namespace SystemWrapper.Tests.IO
             Assert.AreNotSame(origInfo, instance.ProcessInstance);
             Assert.IsNotNull(instance.ProcessInstance);
         }
+
+        [Test]
+        [ExpectedException(typeof(System.InvalidOperationException))]
+        public void StandardOutput_NotNull_ThrowsExceptionBecauseProcessNotYetStarted()
+        {
+            var instance = new ProcessWrap();
+            var origInfo = instance.ProcessInstance;
+            instance.Initialize();
+            Assert.AreNotSame(origInfo, instance.ProcessInstance);
+            Assert.IsNotNull(instance.ProcessInstance);
+            Assert.IsNotNull(instance.StandardOutput);
+        }
     }
 }

SystemWrapper/Diagnostics/ProcessWrap.cs

@@ -1,5 +1,7 @@
+using System;
 using System.Diagnostics;
 using SystemInterface.Diagnostics;
+using SystemInterface.IO;
 
 namespace SystemWrapper.Diagnostics
 {
@@ -58,6 +60,15 @@ namespace SystemWrapper.Diagnostics
             set { this._startInfo = value; }
         }
 
+        /// <inheritdoc />
+        public IStreamReader StandardOutput
+        {
+            get
+            {
+                return new IO.StreamReaderWrap(ProcessInstance.StandardOutput);
+            }
+        }
+
         /// <inheritdoc />
         public void WaitForExit()
         {