message: Demo: Added "No close" option.
diff: @@ -170,6 +170,7 @@ void ImGui::ShowTestWindow(bool* p_open)
  static bool no_move = false;
  static bool no_resize = false;
  static bool no_collapse = false;
  + static bool no_close = false;
  // Demonstrate the various window flags. Typically you would just use the default.
  ImGuiWindowFlags window_flags = 0;
  @@ -179,6 +180,8 @@ void ImGui::ShowTestWindow(bool* p_open)
  if (no_move) window_flags |= ImGuiWindowFlags_NoMove;
  if (no_resize) window_flags |= ImGuiWindowFlags_NoResize;
  if (no_collapse) window_flags |= ImGuiWindowFlags_NoCollapse;
  + if (no_close) p_open = NULL; // Don't pass our bool* to Begin
  +
  ImGui::SetNextWindowSize(ImVec2(550,680), ImGuiCond_FirstUseEver);
  if (!ImGui::Begin("ImGui Demo", p_open, window_flags))
  {
  @@ -241,6 +244,7 @@ void ImGui::ShowTestWindow(bool* p_open)
  ImGui::Checkbox("No move", &no_move); ImGui::SameLine(150);
  ImGui::Checkbox("No resize", &no_resize); ImGui::SameLine(300);
  ImGui::Checkbox("No collapse", &no_collapse);
  + ImGui::Checkbox("No close", &no_close);
  if (ImGui::TreeNode("Style"))
  {
  @@ -248,7 +252,7 @@ void ImGui::ShowTestWindow(bool* p_open)
  ImGui::TreePop();
  }
  - if (ImGui::TreeNode("Logging"))
  + if (ImGui::TreeNode("Capture/Logging"))
  {
  ImGui::TextWrapped("The logging API redirects all text output so you can easily capture the content of a window or a block. Tree nodes can be automatically expanded. You can also call ImGui::LogText() to output directly to the log without a visual output.");
  ImGui::LogButtons();
  