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

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This is not expected to change while the application is running :)
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Mark Jansen 2020-06-05 01:23:18 +02:00 committed by GitHub
parent 79fbab543d
commit 6eb66fbef3
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1 changed files with 2 additions and 1 deletions
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examples/imgui_impl_win32.cpp
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@ -417,7 +417,8 @@ void ImGui_ImplWin32_EnableDpiAwareness()
float ImGui_ImplWin32_GetDpiScaleForMonitor(void* monitor) float ImGui_ImplWin32_GetDpiScaleForMonitor(void* monitor)
{ {
UINT xdpi = 96, ydpi = 96; UINT xdpi = 96, ydpi = 96;
if (IsWindows8Point1OrGreater()) static BOOL bIsWindows8Point1OrGreater = IsWindows8Point1OrGreater();
if (bIsWindows8Point1OrGreater)
{ {
static HINSTANCE shcore_dll = ::LoadLibraryA("shcore.dll"); // Reference counted per-process static HINSTANCE shcore_dll = ::LoadLibraryA("shcore.dll"); // Reference counted per-process
if (PFN_GetDpiForMonitor GetDpiForMonitorFn = (PFN_GetDpiForMonitor)::GetProcAddress(shcore_dll, "GetDpiForMonitor")) if (PFN_GetDpiForMonitor GetDpiForMonitorFn = (PFN_GetDpiForMonitor)::GetProcAddress(shcore_dll, "GetDpiForMonitor"))