[AlwaysOnTop] Proof of concept (#14360)

Co-authored-by: Niels Laute <niels.laute@live.nl>

src/modules/alwaysontop/AlwaysOnTop/trace.cpp

@@ -0,0 +1,35 @@
+#include "pch.h"
+#include "trace.h"
+
+// Telemetry strings should not be localized.
+#define LoggingProviderKey "Microsoft.PowerToys"
+
+#define EventEnableAlwaysOnTopKey "AlwaysOnTop_EnableAlwaysOnTop"
+#define EventEnabledKey "Enabled"
+
+TRACELOGGING_DEFINE_PROVIDER(
+    g_hProvider,
+    LoggingProviderKey,
+    // {38e8889b-9731-53f5-e901-e8a7c1753074}
+    (0x38e8889b, 0x9731, 0x53f5, 0xe9, 0x01, 0xe8, 0xa7, 0xc1, 0x75, 0x30, 0x74),
+    TraceLoggingOptionProjectTelemetry());
+
+void Trace::RegisterProvider() noexcept
+{
+    TraceLoggingRegister(g_hProvider);
+}
+
+void Trace::UnregisterProvider() noexcept
+{
+    TraceLoggingUnregister(g_hProvider);
+}
+
+void Trace::AlwaysOnTop::Enable(bool enabled) noexcept
+{
+    TraceLoggingWrite(
+        g_hProvider,
+        EventEnableAlwaysOnTopKey,
+        ProjectTelemetryPrivacyDataTag(ProjectTelemetryTag_ProductAndServicePerformance),
+        TraceLoggingKeyword(PROJECT_KEYWORD_MEASURE),
+        TraceLoggingBoolean(enabled, EventEnabledKey));
+}