//go:build windows package w32 import "syscall" var ( moddwmapi = syscall.NewLazyDLL("dwmapi.dll") procDwmSetWindowAttribute = moddwmapi.NewProc("DwmSetWindowAttribute") ) func DwmSetWindowAttribute(hwnd HWND, dwAttribute DWMWINDOWATTRIBUTE, pvAttribute LPCVOID, cbAttribute uint32) HRESULT { ret, _, _ := procDwmSetWindowAttribute.Call( hwnd, uintptr(dwAttribute), uintptr(pvAttribute), uintptr(cbAttribute)) return HRESULT(ret) }