fixed shell execute for .NET core in demo apps

Author: markheath

Docs/RawSourceWaveStream.md

@@ -63,7 +63,7 @@ Note that WAV files can contain compressed audio, so as long as you know the cor
 
 ## Converting G.729 audio into a PCM WAV
 
-Suppose we have a .g729 file containing raw audio compressed with G.729. G.729 isn't actually a built-in `WaveFormat` in NAudio (some other common ones like mu and a-law are). But we can use `WaveFormat.CreateCustomFormat` or even derive from `WaveFormat` to define the correct format.
+Suppose we have a `.g729` file containing raw audio compressed with G.729. G.729 isn't actually a built-in `WaveFormat` in NAudio (some other common ones like mu and a-law are). But we can use `WaveFormat.CreateCustomFormat` or even derive from `WaveFormat` to define the correct format.
 
 Now in the previous example we saw how we could create a WAV file that contains the G.729 audio still encoded. But if we wanted it to be PCM, we'd need to use `WaveFormatConversionStream.CreatePcmStream` to look for an  ACM codec that understands the incoming `WaveFormat` and can turn it into PCM. 
 
@@ -89,7 +89,7 @@ using(var converter = WaveFormatConversionStream.CreatePcmStream(reader))
 }
 ```
 
-If it was a format that NAUdio has built-in support for like G.711 a-law, then we'd do it like this:
+If it was a format that NAudio has built-in support for like G.711 a-law, then we'd do it like this:
 
 ```c#
 var inFile = @"c:\users\mheath\desktop\alaw.bin";

NAudioDemo/AcmDemo/AcmPanel.cs

@@ -3,6 +3,7 @@
 using System.Windows.Forms;
 using NAudio.Wave;
 using NAudio.Wave.Compression;
+using NAudioDemo.Utils;
 
 namespace NAudioDemo.AcmDemo
 {
@@ -95,7 +96,7 @@ private void EncodeFile()
                 }
                 if (checkBoxAutoLaunchConvertedFile.Checked)
                 {
-                    System.Diagnostics.Process.Start(outputFileName);
+                    ProcessHelper.ShellExecute(outputFileName);
                 }
             }
         }
@@ -122,7 +123,7 @@ private void DecodeFile()
                 }
                 if (checkBoxAutoLaunchConvertedFile.Checked)
                 {
-                    System.Diagnostics.Process.Start(outputFileName);
+                    ProcessHelper.ShellExecute(outputFileName);
                 }
             }
         }

NAudioDemo/AsioRecordingDemo/AsioRecordingPanel.cs

@@ -4,6 +4,7 @@
 using System.Linq;
 using System.Windows.Forms;
 using NAudio.Wave;
+using NAudioDemo.Utils;
 
 namespace NAudioDemo.AsioRecordingDemo
 {
@@ -146,7 +147,7 @@ private void OnButtonPlayClick(object sender, EventArgs e)
         {
             if (listBoxRecordings.SelectedItem != null)
             {
-                Process.Start((string)listBoxRecordings.SelectedItem);
+                ProcessHelper.ShellExecute((string)listBoxRecordings.SelectedItem);
             }
         }
 

NAudioDemo/RecordingDemo/RecordingPanel.cs

@@ -5,6 +5,7 @@
 using System.Windows.Forms;
 using NAudio.CoreAudioApi;
 using NAudio.Wave;
+using NAudioDemo.Utils;
 
 namespace NAudioDemo.RecordingDemo
 {
@@ -213,7 +214,7 @@ private void OnButtonPlayClick(object sender, EventArgs e)
         {
             if (listBoxRecordings.SelectedItem != null)
             {
-                Process.Start(Path.Combine(outputFolder, (string)listBoxRecordings.SelectedItem));
+                ProcessHelper.ShellExecute(Path.Combine(outputFolder, (string)listBoxRecordings.SelectedItem));
             }
         }
 
@@ -246,7 +247,7 @@ private void OnButtonDeleteClick(object sender, EventArgs e)
 
         private void OnOpenFolderClick(object sender, EventArgs e)
         {
-            Process.Start(outputFolder);
+            ProcessHelper.ShellExecute(outputFolder);
         }
     }
 

NAudioDemo/Utils/ProcessHelper.cs

@@ -0,0 +1,17 @@
+using System.Diagnostics;
+
+namespace NAudioDemo.Utils
+{
+    static class ProcessHelper
+    {
+        public static void ShellExecute(string file)
+        {
+            var process = new Process();
+            process.StartInfo = new ProcessStartInfo(file)
+            {
+                UseShellExecute = true
+            };
+            process.Start();
+        }
+    }
+}

NAudioDemo/VolumeMixerDemo/VolumePanel.cs

@@ -167,9 +167,9 @@ private void cmbDevice_SelectedIndexChanged(object sender, EventArgs e)
         private void btnSoundProperties_Click(object sender, EventArgs e)
         {
             if (!devicePanel)
-                System.Diagnostics.Process.Start("control", "mmsys.cpl,,2");
+                Process.Start("control", "mmsys.cpl,,2");
             else
-                System.Diagnostics.Process.Start("control", "mmsys.cpl,,0");
+                Process.Start("control", "mmsys.cpl,,0");
         }
 
         private void tbVolume_MouseCaptureChanged(object sender, EventArgs e)

NAudioWpfDemo/WasapiCaptureDemo/RecordingsViewModel.cs

@@ -35,7 +35,17 @@ public RecordingsViewModel()
 
         private void OpenFolder()
         {
-            Process.Start(OutputFolder);
+            ShellExecute(OutputFolder);
+        }
+
+        private static void ShellExecute(string file)
+        {
+            var process = new Process();
+            process.StartInfo = new ProcessStartInfo(file)
+            {
+                UseShellExecute = true
+            };
+            process.Start();
         }
 
         private void Delete()
@@ -59,7 +69,7 @@ private void Play()
         {
             if (SelectedRecording != null)
             {
-                Process.Start(Path.Combine(OutputFolder, SelectedRecording));
+                ShellExecute(Path.Combine(OutputFolder, SelectedRecording));
             }
         }