From efaa18bf1e1ab28963189547df7a85cd45f88049 Mon Sep 17 00:00:00 2001
From: Dylan Perks <11160611+Perksey@users.noreply.github.com>
Date: Mon, 9 Oct 2023 19:50:44 -0500
Subject: [PATCH] Cache GetProcessHeap

---
 src/Core/Silk.NET.Core/Native/Structs/WinString.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Core/Silk.NET.Core/Native/Structs/WinString.cs b/src/Core/Silk.NET.Core/Native/Structs/WinString.cs
index ef333167be..0ce671a23c 100644
--- a/src/Core/Silk.NET.Core/Native/Structs/WinString.cs
+++ b/src/Core/Silk.NET.Core/Native/Structs/WinString.cs
@@ -34,7 +34,7 @@ public WinString(nuint nChars)
         [DllImport("kernel32.dll")]
         static extern void* HeapAlloc(void* heap, uint dwFlags, nuint dwBytes);
 
-        HString = (Header*)HeapAlloc(GetProcessHeap(), 0, (nuint)sizeof(Header) + 2 * nChars);
+        HString = (Header*)HeapAlloc(ProcessHeap, 0, (nuint)sizeof(Header) + 2 * nChars);
         HString->Flags = 0;
         HString->Length = (uint)nChars;
         HString->Reserved0 = 0;
@@ -55,7 +55,7 @@ public void Release()
 
         if (Interlocked.Decrement(ref HString->RefCount) < 1)
         {
-            if (HeapFree(GetProcessHeap(), 0, HString) == 0)
+            if (HeapFree(ProcessHeap, 0, HString) == 0)
             {
                 SilkMarshal.ThrowHResult(Marshal.GetHRForLastWin32Error());
             }
@@ -78,6 +78,8 @@ public static WinString DangerousCreate(char* str, uint length, Header* header)
     [DllImport("kernel32.dll")]
     private static extern void* GetProcessHeap();
 
+    private static readonly void* ProcessHeap = GetProcessHeap();
+
     public void Dispose() => Release();
 
     public static implicit operator string(WinString winString) => winString.ToString();