CameraCaptureUI.CaptureFileAsync | captureFileAsync method

cameraCaptureUI.captureFileAsync(mode).done( /* Your success and error handlers */ );

// Take a photo using the default JPEG format.
function takepicture() {
    var captureUI = new Windows.Media.Capture.CameraCaptureUI();
    captureUI.captureFileAsync(Windows.Media.Capture.CameraCaptureUIMode.photo).then(function (capturedItem) {
        if (capturedItem) {
            document.getElementById("message").innerHTML = "User captured a photo."
        }
        else {
            document.getElementById("message").innerHTML = "User didn't capture a photo."
        }
    });
}

// Captures a video using the specified settings.
function captureVideo() {
    var captureUI = new Windows.Media.Capture.CameraCaptureUI();
    captureUI.videoSettings.allowTrimming = true;
    captureUI.videoSettings.format = Windows.Media.Capture.CameraCaptureUIVideoFormat.wmv;
    captureUI.videoSettings.maxResolution = Windows.Media.Capture.CameraCaptureUIMaxVideoResolution.standardDefinition;
    captureUI.videoSettings.maxDurationInSeconds = 3;
    captureUI.captureFileAsync(Windows.Media.Capture.CameraCaptureUIMode.video).then(function (file) {
        if (file) {
            document.getElementById("message").innerHTML = "User captured a video."
        }
        else {
            document.getElementById("message").innerHTML = "User didn't capture a video."
        }
    });
}