Adding PowerLauncherTelemetry events

src/modules/launcher/PowerLauncher.Telemetry/Events/BootEvent.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics.Tracing;
+using System.Text;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    [EventData]
+    public class BootEvent : IEvent
+    {
+        public string EventName { get; } = "PowerLauncher_Boot_Event";
+
+        public double BootTimeMs { get; set; }
+    }
+}

src/modules/launcher/PowerLauncher.Telemetry/Events/FirstDeleteEvent.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics.Tracing;
+using System.Text;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    [EventData]
+    public class FirstDeleteEvent : IEvent
+    {
+        public string EventName { get; } = "PowerLauncher_FirstDelete_Event";
+    }
+}

src/modules/launcher/PowerLauncher.Telemetry/Events/HideEvent.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics.Tracing;
+using System.Text;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    [EventData]
+    public class HideEvent : IEvent
+    {
+        public string EventName { get; } = "PowerLauncher_Hide_Event";
+    }
+}

src/modules/launcher/PowerLauncher.Telemetry/Events/IEvent.cs

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+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    public interface IEvent
+    {
+        string EventName { get; }
+    }
+}

src/modules/launcher/PowerLauncher.Telemetry/Events/QueryEvent.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics.Tracing;
+using System.Text;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    /// <summary>
+    /// ETW Event for when the user initiates a query
+    /// </summary>
+    [EventData]
+    public class QueryEvent : IEvent
+    {
+        public string EventName { get; } = "PowerLauncher_Query_Event";
+        public double QueryTimeMs { get; set; }
+        public int QueryLength { get; set; }
+        public int NumResults { get; set; }
+    }
+
+}

src/modules/launcher/PowerLauncher.Telemetry/Events/ResultActionEvent.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics.Tracing;
+using System.Text;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    /// <summary>
+    /// ETW event for when a result is actioned.
+    /// </summary>
+    [EventData]
+    public class ResultActionEvent : IEvent
+    {
+        public string EventName { get; } = "PowerLauncher_Result_ActionEvent";
+
+        public enum TriggerType
+        {
+            Click,
+            KeyboardShortcut
+        }
+
+        public TriggerType Trigger { get; set; }
+        public string PluginName { get; set; }
+        public string ActionName { get; set; }
+    }
+}

src/modules/launcher/PowerLauncher.Telemetry/Events/ShowEvent.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics.Tracing;
+using System.Text;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    [EventData]
+    public class ShowEvent : IEvent
+    {
+        public string EventName { get; } = "PowerLauncher_Show_Event";
+    }
+}

src/modules/launcher/PowerLauncher.Telemetry/PowerLauncher.Telemetry.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netstandard2.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Compile Include="..\..\..\common\Telemetry\TelemetryBase.cs" Link="TelemetryBase.cs" />
+  </ItemGroup>
+
+</Project>

src/modules/launcher/PowerLauncher.Telemetry/PowerLauncherTelemetry.cs

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+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using System.Diagnostics.Tracing;
+using PreviewHandlerCommon.Telemetry;
+
+namespace Microsoft.PowerLauncher.Telemetry
+{
+    /// <summary>
+    /// Telemetry helper class for Svg renderer.
+    /// </summary>
+    public class PowerLauncherTelemetry : TelemetryBase
+    {
+
+        /// <summary>
+        /// Name for ETW event.
+        /// </summary>
+        private const string EventSourceName = "Microsoft.PowerToys";
+
+        /// <summary>
+        /// Initializes a new instance of the <see cref="PowerLauncherTelemetry"/> class.
+        /// </summary>
+        public PowerLauncherTelemetry()
+            : base(EventSourceName)
+        {
+        }
+
+        /// <summary>
+        /// Gets an instance of the <see cref="PowerLauncherTelemetry"/> class.
+        /// </summary>
+        public static PowerLauncherTelemetry Log = new PowerLauncherTelemetry();
+
+        /// <summary>
+        /// Publishes ETW event when an action is triggered on 
+        /// </summary>
+        public void WriteEvent<T>(T telemetryEvent) 
+            where T : IEvent
+        {
+            this.Write<T>(telemetryEvent.EventName, new EventSourceOptions()
+            {
+                Keywords = ProjectKeywordMeasure,
+                Tags = ProjectTelemetryTagProductAndServicePerformance,
+            },
+            telemetryEvent);
+        }
+    }
+}