Add writeValueAtRange for index-range array writes

1 files changed, 13 insertions, 0 deletions

diff --git a/src/OpcUaMonitoredNode.h b/src/OpcUaMonitoredNode.h
index 2e86b2c..2ecffb7 100644
--- a/src/OpcUaMonitoredNode.h
+++ b/src/OpcUaMonitoredNode.h
@@ -88,6 +88,18 @@ public:
    */
   Q_INVOKABLE void writeValue (const QVariant &value);
 
+  /**
+   * @brief Write a value to a specific index range of an array node.
+   *
+   * @a indexRange uses OPC UA syntax: "0" for first element,
+   * "0:3" for elements 0–3, "0,1" for 2D indexing.
+   * For multi-element writes, @a value can be a comma-separated
+   * string or a QVariantList.
+   * Result is reported asynchronously via writeCompleted().
+   */
+  Q_INVOKABLE void writeValueAtRange (const QVariant &value,
+                                      const QString &indexRange);
+
   void classBegin () override;
   void componentComplete () override;
 
@@ -129,6 +141,7 @@ private:
   bool m_writable = false;
   QVariant m_value;
   OpcUaNodeInfo m_info;
+  bool m_pendingRangeWrite = false;
 };
 
 #endif // OPCUAMONITOREDNODE_H