How to make the background of a docking window transparent ?

[absss]

i want to build a docking window above the main window ,it is outside the main window, i can not let it to be transparent, i try use the flag "ImGuiWindowFlags_NoBackground" or " ImGui::PushStyleColor(ImGuiCol_WindowBg, { 0, 0, 0, 0.0 });" but all of these is not work, what should i do? i look forward to your help, thank you very much!

[ocornut]

See similar issues #2766 #6558 #4629

It requires a backend change, it's not widely supported yet.

Please note that even when this will be supported for rendering, inputs will likely always be caught by a rectangular area.

[dgm3333]

This is my solution... #6558