From 1bd8adacaa89a724e4f0f4d96571511ce2d64216 Mon Sep 17 00:00:00 2001
From: Adrian Kierzkowski <adrian.kierzkowski@gmail.com>
Date: Mon, 4 Nov 2024 15:50:03 +0100
Subject: [PATCH] Fixed binary file writing.

---
 File.mqh | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/File.mqh b/File.mqh
index 4fe3dcb6b..3157910ea 100644
--- a/File.mqh
+++ b/File.mqh
@@ -140,7 +140,7 @@ class File {
   static bool SaveFile(string path, string data, bool binary = false) {
     ResetLastError();
 
-    int handle = FileOpen(path, FILE_WRITE | (binary ? FILE_BIN : FILE_ANSI));
+    int handle = FileOpen(path, FILE_WRITE | (binary ? FILE_BIN : FILE_TXT), "", CP_UTF8);
 
     if (handle == INVALID_HANDLE) {
       string terminalDataPath = TerminalInfoString(TERMINAL_DATA_PATH);
@@ -154,8 +154,15 @@ class File {
                 "\\Files\\\" as absolute paths may not work.");
       return false;
     }
-
-    FileWriteString(handle, data);
+    
+    if (binary) {
+      uchar buffer[];
+      StringToCharArray(data, buffer, 0, WHOLE_ARRAY, CP_UTF8);
+      FileWriteArray(handle, buffer, 0, ArraySize(buffer));
+    }
+    else {
+      FileWriteString(handle, data);
+    }
 
     FileClose(handle);