Type Alias VFWWDMExtensionProc 

pub type VFWWDMExtensionProc = Option<unsafe extern "system" fn(pfndeviceiocontrol: *mut c_void, pfnaddpropertypage: LPFNSVADDPROPSHEETPAGE, lparam: LPARAM) -> u32>;

Aliased Type

pub enum VFWWDMExtensionProc {
    None,
    Some(unsafe extern "system" fn(*mut c_void, Option<unsafe extern "system" fn(*mut c_void, isize) -> i32>, isize) -> u32),
}

Variants

None

No value.

Some(unsafe extern "system" fn(*mut c_void, Option<unsafe extern "system" fn(*mut c_void, isize) -> i32>, isize) -> u32)

Some value of type T.