Type Definition windows_sys::Win32::Security::Cryptography::PFN_CMSG_GEN_CONTENT_ENCRYPT_KEY

pub type PFN_CMSG_GEN_CONTENT_ENCRYPT_KEY = Option<unsafe extern "system" fn(pcontentencryptinfo: *mut CMSG_CONTENT_ENCRYPT_INFO, dwflags: u32, pvreserved: *mut c_void) -> BOOL>;

Required features: "Win32_Security_Cryptography", "Win32_Foundation"