Merge pull request #877 from Velro/patch-1

Demo: Outdated dragging API mentioned in demo text

imgui_demo.cpp

@@ -1542,7 +1542,7 @@ void ImGui::ShowTestWindow(bool* p_open)
 
         if (ImGui::TreeNode("Dragging"))
         {
-            ImGui::TextWrapped("You can use ImGui::GetItemActiveDragDelta() to query for the dragged amount on any widget.");
+            ImGui::TextWrapped("You can use ImGui::GetMouseDragDelta(0) to query for the dragged amount on any widget.");
             ImGui::Button("Drag Me");
             if (ImGui::IsItemActive())
             {