Trait winsafe::prelude::dshow_IEnumMediaTypes

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pub trait dshow_IEnumMediaTypes: ole_IUnknown {
    // Provided methods
    fn iter(&self) -> impl Iterator<Item = HrResult<&AM_MEDIA_TYPE<'_>>> + '_ { ... }
    fn Next(&self, mt: &mut AM_MEDIA_TYPE<'_>) -> HrResult<bool> { ... }
    fn Reset(&self) -> HrResult<()> { ... }
    fn Skip(&self, count: u32) -> HrResult<bool> { ... }
}

Available on crate features kernel and dshow only.

Expand description

This trait is enabled with the dshow feature, and provides methods for IEnumMediaTypes.

Prefer importing this trait through the prelude:

use winsafe::prelude::*;

Provided Methods§

source

fn iter(&self) -> impl Iterator<Item = HrResult<&AM_MEDIA_TYPE<'_>>> + '_

Returns an iterator over the AM_MEDIA_TYPE elements which calls IEnumMediaTypes::next internally.

§Examples

use winsafe::{self as w, prelude::*};

let types: w::IEnumMediaTypes; // initialized somewhere

for amt in types.iter() {
    let amt = amt?;
    println!("{} {}",
        amt.majortype.to_string(), amt.lSampleSize);
}