Demo: Tweaks format.

imgui_demo.cpp

@@ -1061,7 +1061,9 @@ void ImGui::ShowDemoWindow(bool* p_open)
             goto_line |= ImGui::InputInt("##Line", &line, 0, 0, ImGuiInputTextFlags_EnterReturnsTrue);
             ImGui::PopItemWidth();
 
-            ImGui::BeginChild("Sub1", ImVec2(ImGui::GetWindowContentRegionWidth() * 0.5f,300), false, ImGuiWindowFlags_HorizontalScrollbar | (disable_mouse_wheel ? ImGuiWindowFlags_NoScrollWithMouse : 0));
+            // Child 1: no border, enable horizontal scrollbar
+            {
+                ImGui::BeginChild("Child1", ImVec2(ImGui::GetWindowContentRegionWidth() * 0.5f, 300), false, ImGuiWindowFlags_HorizontalScrollbar | (disable_mouse_wheel ? ImGuiWindowFlags_NoScrollWithMouse : 0));
                 for (int i = 0; i < 100; i++)
                 {
                     ImGui::Text("%04d: scrollable region", i);
@@ -1071,11 +1073,14 @@ void ImGui::ShowDemoWindow(bool* p_open)
                 if (goto_line && line >= 100)
                     ImGui::SetScrollHere();
                 ImGui::EndChild();
+            }
 
             ImGui::SameLine();
 
+            // Child 2: rounded border
+            {
                 ImGui::PushStyleVar(ImGuiStyleVar_ChildRounding, 5.0f);
-            ImGui::BeginChild("Sub2", ImVec2(0,300), true, (disable_mouse_wheel ? ImGuiWindowFlags_NoScrollWithMouse : 0));
+                ImGui::BeginChild("Child2", ImVec2(0,300), true, (disable_mouse_wheel ? ImGuiWindowFlags_NoScrollWithMouse : 0));
                 ImGui::Text("With border");
                 ImGui::Columns(2);
                 for (int i = 0; i < 100; i++)
@@ -1088,6 +1093,7 @@ void ImGui::ShowDemoWindow(bool* p_open)
                 }
                 ImGui::EndChild();
                 ImGui::PopStyleVar();
+            }
 
             ImGui::TreePop();
         }