message: Drag and drop: Standardizing payload types as defines.
diff: @@ -169,6 +169,10 @@ inline void operator delete(void*, ImPlacementNewDummy, void*) {}
  // Types
  //-----------------------------------------------------------------------------
  +// Drag and Drop payload types. String starting with '_' are managed by Dear ImGui.
  +#define IMGUI_PAYLOAD_TYPE_COLOR_4F "_COL4F" // float[4] // Standard type for colors. User code may use this type. Build a float[4] out of a float[3] if you don't have alpha.
  +#define IMGUI_PAYLOAD_TYPE_DOCKABLE "_IMDOCK" // ImGuiWindow* // [Internal] Docking/tabs
  +
  enum ImGuiButtonFlags_
  {
  ImGuiButtonFlags_Repeat = 1 << 0, // hold to repeat
  