the window is transparent

hi everyone, im trying to figure out something with trying to make a transparent green screen window in obs within the source name and i wanna try and get it where i have a smaller window inside obs within the main preview window and when i apply the chromakey filter i can c it in the smaller...

gdip技术绘制的透明窗口明明在桌面上看起来是透明的异形的但用OBS窗口捕获后，原本没有被填充的部分会被填充为黑色，或使用SetLayeredWindowAttributes()技术制作的窗口透明会显示出他原本的颜色，本人能力非常有限，无法理解更加高级的技术但，真心希望OBS可以支持直接获取带有透明的异形的窗体，这可以增加很多，播客的可用性和，为OBS增加更加有趣的活力和更高的无尽的可能性，例如桌面宠物或带有互动的挂件程序，如果开发者们能够看到我个人诚至的感谢你们(*╹▽╹*) The transparent window drawn by gdip technology...