Backends: Win32: Cache the result of a windows version check. (#3283)

This is not expected to change while the application is running :)
ago%!(EXTRA string=5 years) · 6eb66fbef3
parent 79fbab543d
commit 6eb66fbef3
1 changed files with 2 additions and 1 deletions
--- a/examples/imgui_impl_win32.cpp
+++ b/examples/imgui_impl_win32.cpp
@ -417,7 +417,8 @@ void ImGui_ImplWin32_EnableDpiAwareness()
 float ImGui_ImplWin32_GetDpiScaleForMonitor(void* monitor)
 {
    UINT xdpi = 96, ydpi = 96;
-    if (IsWindows8Point1OrGreater())
+    static BOOL bIsWindows8Point1OrGreater = IsWindows8Point1OrGreater();
+    if (bIsWindows8Point1OrGreater)
    {
        static HINSTANCE shcore_dll = ::LoadLibraryA("shcore.dll"); // Reference counted per-process
        if (PFN_GetDpiForMonitor GetDpiForMonitorFn = (PFN_GetDpiForMonitor)::GetProcAddress(shcore_dll, "GetDpiForMonitor"))