From 4e88d1d589ec31ba5e2e7bc9e65c6e363eb829fc Mon Sep 17 00:00:00 2001
From: LunarInvasion <236479497+LunarInvasion@users.noreply.github.com>
Date: Thu, 20 Nov 2025 15:48:10 +0000
Subject: [PATCH] Do not use the manifest setting as it prevents setting
 DPI_AWARENESS_CONTEXT_PER_MONITOR_AWARE_V2

The manifest has dpiAware set to True/PM (PerMonitor) and won't allow a change to PerMonitorV2 afterwards.

https://learn.microsoft.com/en-us/windows/win32/hidpi/setting-the-default-dpi-awareness-for-a-process
---
 .../example_win32_opengl3.vcxproj                    | 12 ++++++++----
 examples/example_win32_opengl3/main.cpp              |  2 +-
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/examples/example_win32_opengl3/example_win32_opengl3.vcxproj b/examples/example_win32_opengl3/example_win32_opengl3.vcxproj
index 711ad9bff..319b5e3e9 100644
--- a/examples/example_win32_opengl3/example_win32_opengl3.vcxproj
+++ b/examples/example_win32_opengl3/example_win32_opengl3.vcxproj
@@ -100,7 +100,8 @@
       <SubSystem>Console</SubSystem>
     </Link>
     <Manifest>
-      <EnableDpiAwareness>PerMonitorHighDPIAware</EnableDpiAwareness>
+      <EnableDpiAwareness>
+      </EnableDpiAwareness>
     </Manifest>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@@ -117,7 +118,8 @@
       <SubSystem>Console</SubSystem>
     </Link>
     <Manifest>
-      <EnableDpiAwareness>PerMonitorHighDPIAware</EnableDpiAwareness>
+      <EnableDpiAwareness>
+      </EnableDpiAwareness>
     </Manifest>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -139,7 +141,8 @@
       <SubSystem>Console</SubSystem>
     </Link>
     <Manifest>
-      <EnableDpiAwareness>PerMonitorHighDPIAware</EnableDpiAwareness>
+      <EnableDpiAwareness>
+      </EnableDpiAwareness>
       <OutputManifestFile>
       </OutputManifestFile>
     </Manifest>
@@ -167,7 +170,8 @@
       <SubSystem>Console</SubSystem>
     </Link>
     <Manifest>
-      <EnableDpiAwareness>PerMonitorHighDPIAware</EnableDpiAwareness>
+      <EnableDpiAwareness>
+      </EnableDpiAwareness>
       <OutputManifestFile>
       </OutputManifestFile>
     </Manifest>
diff --git a/examples/example_win32_opengl3/main.cpp b/examples/example_win32_opengl3/main.cpp
index 169e56437..4223c8f21 100644
--- a/examples/example_win32_opengl3/main.cpp
+++ b/examples/example_win32_opengl3/main.cpp
@@ -37,7 +37,7 @@ int main(int, char**)
 {
     // Make process DPI aware and obtain main monitor scale
     // https://learn.microsoft.com/en-us/windows/win32/hidpi/setting-the-default-dpi-awareness-for-a-process
-    // ImGui_ImplWin32_EnableDpiAwareness(); // This is already set in the manifest so the call will fail, but leaving it for completeness.
+    ImGui_ImplWin32_EnableDpiAwareness();
     float main_scale = ImGui_ImplWin32_GetDpiScaleForMonitor(::MonitorFromPoint(POINT{ 0, 0 }, MONITOR_DEFAULTTOPRIMARY));
 
     // Create application window