[C#/MAUI/.NET6] IScreenshot 인터페이스 : CaptureAsync 메소드를 사용해 화면 캡처하기

■ IScreenshot 인터페이스의 CaptureAsync 메소드를 사용해 화면을 캡처하는 방법을 보여준다.

▶ MainPage.xaml


<?xml version="1.0" encoding="utf-8" ?>
<ContentPage x:Class="TestProject.MainPage"
    xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
    xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">
    <StackLayout
        HorizontalOptions="Center"
        VerticalOptions="Center">
        <Frame
            HorizontalOptions="Center"
            WidthRequest="300"
            HeightRequest="300"
            BorderColor="Blue"
            Background="White"
            HasShadow="True">
            <Image x:Name="image"
                Aspect="AspectFit" />
        </Frame>
        <Button x:Name="captureButton"
            HorizontalOptions="Center"
            VerticalOptions="Center"
            Margin="0,10,0,0"
            Text="화면 캡처하기" />
    </StackLayout>
</ContentPage>

<?xml version="1.0" encoding="utf-8" ?>

<ContentPage x:Class="TestProject.MainPage"

xmlns="http://schemas.microsoft.com/dotnet/2021/maui"

xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml">

<StackLayout

HorizontalOptions="Center"

VerticalOptions="Center">

<Frame

HorizontalOptions="Center"

WidthRequest="300"

HeightRequest="300"

BorderColor="Blue"

Background="White"

HasShadow="True">

<Image x:Name="image"

Aspect="AspectFit" />

</Frame>

<Button x:Name="captureButton"

HorizontalOptions="Center"

VerticalOptions="Center"

Margin="0,10,0,0"

Text="화면 캡처하기" />

</StackLayout>

</ContentPage>

▶ MainPage.xaml.cs


namespace TestProject;

/// <summary>
/// 메인 페이지
/// </summary>
public partial class MainPage : ContentPage
{
    //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
    ////////////////////////////////////////////////////////////////////////////////////////// Public

    #region 생성자 - MainPage()

    /// <summary>
    /// 생성자
    /// </summary>
    public MainPage()
    {
        InitializeComponent();

        this.captureButton.Clicked += captureButton_Clicked;
    }

    #endregion

    //////////////////////////////////////////////////////////////////////////////////////////////////// Method
    ////////////////////////////////////////////////////////////////////////////////////////// Private

    #region 화면 캡처하기 버튼 클릭시 처리하기 - captureButton_Clicked(sender, e)

    /// <summary>
    /// 화면 캡처하기 버튼 클릭시 처리하기
    /// </summary>
    /// <param name="sender">이벤트 발생자</param>
    /// <param name="e">이벤트 인자</param>
    private async void captureButton_Clicked(object sender, EventArgs e)
    {
        if(Screenshot.Default.IsCaptureSupported)
        {
            IScreenshotResult screenshotResult = await Screenshot.Default.CaptureAsync();

            Stream stream = await screenshotResult.OpenReadAsync();

            this.image.Source = ImageSource.FromStream(() => stream);
        }
        else
        {
            this.image.Source = null;
        }
    }

    #endregion
}

namespace TestProject;

/// <summary>

/// 메인 페이지

/// </summary>

public partial class MainPage : ContentPage

{

//////////////////////////////////////////////////////////////////////////////////////////////////// Constructor

////////////////////////////////////////////////////////////////////////////////////////// Public

#region 생성자 - MainPage()

/// <summary>

/// 생성자

/// </summary>

public MainPage()

{

InitializeComponent();

this.captureButton.Clicked += captureButton_Clicked;

}

#endregion

//////////////////////////////////////////////////////////////////////////////////////////////////// Method

////////////////////////////////////////////////////////////////////////////////////////// Private

#region 화면 캡처하기 버튼 클릭시 처리하기 - captureButton_Clicked(sender, e)

/// <summary>

/// 화면 캡처하기 버튼 클릭시 처리하기

/// </summary>

/// <param name="sender">이벤트 발생자</param>

/// <param name="e">이벤트 인자</param>

private async void captureButton_Clicked(object sender, EventArgs e)

{

if(Screenshot.Default.IsCaptureSupported)

{

IScreenshotResult screenshotResult = await Screenshot.Default.CaptureAsync();

Stream stream = await screenshotResult.OpenReadAsync();

this.image.Source = ImageSource.FromStream(() => stream);

}

else

{

this.image.Source = null;

}

#endregion

}

TestProject.zip