From 21e96c692595f204b91431a90123419e4a1780c4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?John=20Ankarstr=C3=B6m?= <john@ankarstrom.se>
Date: Fri, 22 Jul 2022 23:52:22 +0200
Subject: Cache GetSystemMetrics values with variable template.

The variable template could be generalized like this:

  template <auto F, auto... A> const auto cache = F(A...);

and instantiated like:

  cache<GetSystemMetrics, SM_CXVSCROLL>

It would still be limited to constant function arguments, which
usually isn't a problem for GetSystemMetrics, but might be for
other functions.
---
 c/main.cpp | 3 ---
 1 file changed, 3 deletions(-)

(limited to 'c/main.cpp')

diff --git a/c/main.cpp b/c/main.cpp
index 5a33405..c04890d 100644
--- a/c/main.cpp
+++ b/c/main.cpp
@@ -18,7 +18,6 @@ int g_bThread;
 
 /* Looked-up constants. */
 int g_bThemes;
-int g_cxVScroll;
 int g_iDPI = 96;
 
 /* Fonts. */
@@ -166,8 +165,6 @@ static LRESULT CALLBACK CBTProc(const int nCode, const WPARAM wParam, const LPAR
 	g_hWnd = (HWND)wParam;
 
 	/* Look up constants. */
-	g_cxVScroll = GetSystemMetrics(SM_CXVSCROLL);
-
 	if (auto opLib = maybe_make<Library>(TEXT("User32.dll")))
 		if (auto GetDpiForWindow = opLib->GetProcAddress<UINT(HWND)>("GetDpiForWindow"))
 			g_iDPI = GetDpiForWindow(g_hWnd);
-- 
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