Type Alias windows::Win32::Media::Audio::DirectMusic::LPFNDIRECTSOUNDDEVICEENUMERATECALLBACKW

pub type LPFNDIRECTSOUNDDEVICEENUMERATECALLBACKW = Option<unsafe extern "system" fn(param0: *mut DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA, param1: *mut c_void) -> BOOL>;

Aliased Type

enum LPFNDIRECTSOUNDDEVICEENUMERATECALLBACKW {
    None,
    Some(unsafe extern "system" fn(_: *mut DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA, _: *mut c_void) -> BOOL),
}

Variants

None

No value.

Some(unsafe extern "system" fn(_: *mut DSPROPERTY_DIRECTSOUNDDEVICE_DESCRIPTION_W_DATA, _: *mut c_void) -> BOOL)

Some value of type T.