update

_old/BufferUtils.mqh

@@ -0,0 +1,43 @@
+class BufferUtils {
+
+public:
+   double get_latest_buffer_value(int handle);
+   double get_buffer_value(int handle, int shift);
+};
+
+
+// ---- IMPLEMENTATION BELOW ----
+
+/**
+ * Get the most recent value from the specified indicator buffer.
+ *
+ * param handle: Indicator handle (must be valid and previously created)
+ * return: Most recent buffer value (shift 0), or 0.0 if retrieval fails
+ */
+double BufferUtils::get_latest_buffer_value(int handle) {
+   double val[];
+   ArraySetAsSeries(val, true);
+
+   if (CopyBuffer(handle, 0, 0, 1, val) == 1)
+      return val[0];
+
+   return 0.0;
+}
+
+
+/**
+ * Get a specific historical value from the specified indicator buffer.
+ *
+ * param handle: Indicator handle
+ * param shift: Bar index (0 = current, 1 = previous, etc.)
+ * return: Buffer value at shift, or 0.0 if retrieval fails
+ */
+double BufferUtils::get_buffer_value(int handle, int shift) {
+   double val[];
+   ArraySetAsSeries(val, true);
+
+   if (CopyBuffer(handle, 0, shift, 1, val) == 1)
+      return val[0];
+
+   return 0.0;
+}