Graphics.CopyFromScreen 메서드

화면에서 Graphics의 그리기 화면으로 픽셀의 사각형에 해당하는 색 데이터 비트 블록 전송을 수행합니다.Performs a bit-block transfer of the color data, corresponding to a rectangle of pixels, from the screen to the drawing surface of the Graphics.

public:
 void CopyFromScreen(int sourceX, int sourceY, int destinationX, int destinationY, System::Drawing::Size blockRegionSize);

public void CopyFromScreen (int sourceX, int sourceY, int destinationX, int destinationY, System.Drawing.Size blockRegionSize);

member this.CopyFromScreen : int * int * int * int * System.Drawing.Size -> unit

Public Sub CopyFromScreen (sourceX As Integer, sourceY As Integer, destinationX As Integer, destinationY As Integer, blockRegionSize As Size)

매개 변수

예외

예제

다음 코드 예제를 사용 하는 방법에 설명 합니다 CopyFromScreen 현재 폼의 복사본을 인쇄 합니다.The following code example demonstrates how to use the CopyFromScreen for printing a copy of the current form.

using System;
using System.Windows.Forms;
using System.Drawing;
using System.Drawing.Printing;

public class Form1 :
    Form
{
    private Button printButton = new Button();
    private PrintDocument printDocument1 = new PrintDocument();

    public Form1()
    {
        printButton.Text = "Print Form";
        printButton.Click += new EventHandler(printButton_Click);
        printDocument1.PrintPage += new PrintPageEventHandler(printDocument1_PrintPage);
        this.Controls.Add(printButton);
    }

    void printButton_Click(object sender, EventArgs e)
    {
        CaptureScreen();
        printDocument1.Print();
    }


    Bitmap memoryImage;

    private void CaptureScreen()
    {
        Graphics myGraphics = this.CreateGraphics();
        Size s = this.Size;
        memoryImage = new Bitmap(s.Width, s.Height, myGraphics);
        Graphics memoryGraphics = Graphics.FromImage(memoryImage);
        memoryGraphics.CopyFromScreen(this.Location.X, this.Location.Y, 0, 0, s);
    }

    private void printDocument1_PrintPage(System.Object sender,  
           System.Drawing.Printing.PrintPageEventArgs e)
    {
        e.Graphics.DrawImage(memoryImage, 0, 0);
    }

  

    public static void Main()
    {
        Application.Run(new Form1());
    }
}

Imports System.Windows.Forms
Imports System.Drawing
Imports System.Drawing.Printing

Public Class Form1
    Inherits Form
    Private WithEvents printButton As New Button
    Private WithEvents printDocument1 As New PrintDocument

    Public Sub New()
        printButton.Text = "Print Form"
        Me.Controls.Add(printButton)
    End Sub

    Dim memoryImage As Bitmap

    Private Sub CaptureScreen()
        Dim myGraphics As Graphics = Me.CreateGraphics()
        Dim s As Size = Me.Size
        memoryImage = New Bitmap(s.Width, s.Height, myGraphics)
        Dim memoryGraphics As Graphics = Graphics.FromImage(memoryImage)
        memoryGraphics.CopyFromScreen(Me.Location.X, Me.Location.Y, 0, 0, s)
    End Sub

    Private Sub printDocument1_PrintPage(ByVal sender As System.Object, _
       ByVal e As System.Drawing.Printing.PrintPageEventArgs) Handles _
       printDocument1.PrintPage
        e.Graphics.DrawImage(memoryImage, 0, 0)
    End Sub

    Private Sub printButton_Click(ByVal sender As System.Object, ByVal e As _
       System.EventArgs) Handles printButton.Click
        CaptureScreen()
        printDocument1.Print()
    End Sub

    Public Shared Sub Main()
        Application.Run(New Form1())
    End Sub
End Class

설명

CopyFromScreen 메서드 위에 다른 하나의 이미지 계층에 유용 합니다.The CopyFromScreen methods are useful for layering one image on top of another. 소스 및 대상 색 혼합 되는 방법을 지정 하려면 중 하나를 사용 합니다 CopyFromScreen 사용 하는 메서드를 CopyPixelOperation 매개 변수입니다.To specify how the source and destination colors are blended, use one of the CopyFromScreen methods that takes a CopyPixelOperation parameter.

보안

UIPermission
모든 windows에 액세스 합니다.for access to all windows. 열거형 관련: AllWindows합니다.Related enumeration: AllWindows.

추가 정보

• 방법: Windows Form 인쇄How to: Print a Windows Form
• 방법: Windows Forms의 깜박임을 줄이기 위해 픽셀을 복사 합니다.How to: Copy Pixels For Reducing Flicker in Windows Forms

화면에서 Graphics의 그리기 화면으로 픽셀의 사각형에 해당하는 색 데이터 비트 블록 전송을 수행합니다.Performs a bit-block transfer of the color data, corresponding to a rectangle of pixels, from the screen to the drawing surface of the Graphics.

public:
 void CopyFromScreen(int sourceX, int sourceY, int destinationX, int destinationY, System::Drawing::Size blockRegionSize, System::Drawing::CopyPixelOperation copyPixelOperation);

public void CopyFromScreen (int sourceX, int sourceY, int destinationX, int destinationY, System.Drawing.Size blockRegionSize, System.Drawing.CopyPixelOperation copyPixelOperation);

member this.CopyFromScreen : int * int * int * int * System.Drawing.Size * System.Drawing.CopyPixelOperation -> unit

매개 변수

예외

예제

다음 예제에서는 CopyFromScreen 메서드를 사용하는 방법을 보여 줍니다.The following example demonstrates how to use the CopyFromScreen method. 이 예제를 실행 하려면 Windows 폼에 붙여 넣습니다.To run this example, paste it into a Windows Form. 양식의 처리 Paint 이벤트 및 호출 합니다 CopyPixels4 메서드에서 Paint 전달 하는 이벤트 처리 메서드를 e 으로 PaintEventArgs입니다.Handle the form's Paint event and call the CopyPixels4 method from the Paint event-handling method, passing e as PaintEventArgs.

private void CopyPixels4(PaintEventArgs e)
{
    e.Graphics.CopyFromScreen(0, 0, 20, 20, new Size(160, 160), 
        CopyPixelOperation.SourceInvert);
}

Private Sub CopyPixels4(ByVal e As PaintEventArgs) 
    e.Graphics.CopyFromScreen(0, 0, 20, 20, _
        New Size(160, 160), CopyPixelOperation.SourceInvert)
End Sub

설명

CopyFromScreen 메서드 위에 다른 하나의 이미지 계층에 유용 합니다.The CopyFromScreen methods are useful for layering one image on top of another. copyPixelOperation 매개 변수를 지정 하 고 소스 색을 대상 영역의 색과 혼합 해야 하는 방법을 사용 합니다.The copyPixelOperation parameter allows you to specify if and how the source colors should be blended with the colors in the destination area.

보안

UIPermission
모든 windows에 액세스 합니다.for access to all windows. 열거형 관련: AllWindows합니다.Related enumeration: AllWindows.

추가 정보

• 방법: Windows Form 인쇄How to: Print a Windows Form
• 방법: Windows Forms의 깜박임을 줄이기 위해 픽셀을 복사 합니다.How to: Copy Pixels For Reducing Flicker in Windows Forms

픽셀의 사각형에 해당하는 색 데이터를 화면에서 Graphics의 그리기 화면으로 bitblt(bit-block transfer)합니다.Performs a bit-block transfer of color data, corresponding to a rectangle of pixels, from the screen to the drawing surface of the Graphics.

public:
 void CopyFromScreen(System::Drawing::Point upperLeftSource, System::Drawing::Point upperLeftDestination, System::Drawing::Size blockRegionSize);

public void CopyFromScreen (System.Drawing.Point upperLeftSource, System.Drawing.Point upperLeftDestination, System.Drawing.Size blockRegionSize);

member this.CopyFromScreen : System.Drawing.Point * System.Drawing.Point * System.Drawing.Size -> unit

Public Sub CopyFromScreen (upperLeftSource As Point, upperLeftDestination As Point, blockRegionSize As Size)

매개 변수

예외

예제

다음 예제에서는 CopyFromScreen 메서드를 사용하는 방법을 보여 줍니다.The following example demonstrates how to use the CopyFromScreen method. 이 예제를 실행 하려면 Windows 폼에 붙여 넣습니다.To run this example, paste it into a Windows Form. 양식의 처리 Paint 이벤트 및 호출 합니다 CopyPixels1 메서드에서 Paint 전달 하는 이벤트 처리 메서드를 e 으로 PaintEventArgs입니다.Handle the form's Paint event and call the CopyPixels1 method from the Paint event-handling method, passing e as PaintEventArgs.

private void CopyPixels1(PaintEventArgs e)
{
    e.Graphics.CopyFromScreen(this.Location, 
        new Point(40, 40), new Size(100, 100));
}

Private Sub CopyPixels1(ByVal e As PaintEventArgs) 
    e.Graphics.CopyFromScreen(Me.Location, _
        New Point(40, 40), New Size(100, 100))

End Sub

설명

CopyFromScreen 메서드 위에 다른 하나의 이미지 계층에 유용 합니다.The CopyFromScreen methods are useful for layering one image on top of another. 소스 및 대상 색 혼합 되는 방법을 지정 하려면 중 하나를 사용 합니다 CopyFromScreen 사용 하는 메서드를 CopyPixelOperation 매개 변수입니다.To specify how the source and destination colors are blended, use one of the CopyFromScreen methods that takes a CopyPixelOperation parameter.

보안

UIPermission
모든 windows에 액세스 합니다.for access to all windows. 열거형 관련: AllWindows합니다.Related enumeration: AllWindows.

추가 정보

• 방법: Windows Form 인쇄How to: Print a Windows Form
• 방법: Windows Forms의 깜박임을 줄이기 위해 픽셀을 복사 합니다.How to: Copy Pixels For Reducing Flicker in Windows Forms

픽셀의 사각형에 해당하는 색 데이터를 화면에서 Graphics의 그리기 화면으로 bitblt(bit-block transfer)합니다.Performs a bit-block transfer of color data, corresponding to a rectangle of pixels, from the screen to the drawing surface of the Graphics.

public:
 void CopyFromScreen(System::Drawing::Point upperLeftSource, System::Drawing::Point upperLeftDestination, System::Drawing::Size blockRegionSize, System::Drawing::CopyPixelOperation copyPixelOperation);

public void CopyFromScreen (System.Drawing.Point upperLeftSource, System.Drawing.Point upperLeftDestination, System.Drawing.Size blockRegionSize, System.Drawing.CopyPixelOperation copyPixelOperation);

member this.CopyFromScreen : System.Drawing.Point * System.Drawing.Point * System.Drawing.Size * System.Drawing.CopyPixelOperation -> unit

매개 변수

예외

예제

다음 예제에서는 CopyFromScreen 메서드를 사용하는 방법을 보여 줍니다.The following example demonstrates how to use the CopyFromScreen method. 이 예제를 실행 하려면 Windows 폼에 붙여 넣습니다.To run this example, paste it into a Windows Form. 양식의 처리 Paint 이벤트 및 호출 합니다 CopyPixels2 메서드에서 Paint 전달 하는 이벤트 처리 메서드를 e 으로 PaintEventArgs입니다.Handle the form's Paint event and call the CopyPixels2 method from the Paint event-handling method, passing e as PaintEventArgs.

private void CopyPixels2(PaintEventArgs e)
{
    e.Graphics.CopyFromScreen(this.Location, new Point(40, 40), 
        new Size(100, 100), CopyPixelOperation.MergePaint); 
}

Private Sub CopyPixels2(ByVal e As PaintEventArgs) 
    e.Graphics.CopyFromScreen(Me.Location, _
        New Point(40, 40), New Size(100, 100), _
        CopyPixelOperation.MergePaint)
End Sub

설명

CopyFromScreen 메서드 위에 다른 하나의 이미지 계층에 유용 합니다.The CopyFromScreen methods are useful for layering one image on top of another. copyPixelOperation 매개 변수를 지정 하 고 소스 색을 대상 영역의 색과 혼합 해야 하는 방법을 사용 합니다.The copyPixelOperation parameter allows you to specify if and how the source colors should be blended with the colors in the destination area.

보안

UIPermission
모든 windows에 액세스 합니다.for access to all windows. 열거형 관련: AllWindows합니다.Related enumeration: AllWindows.

추가 정보

• 방법: Windows Form 인쇄How to: Print a Windows Form
• 방법: Windows Forms의 깜박임을 줄이기 위해 픽셀을 복사 합니다.How to: Copy Pixels For Reducing Flicker in Windows Forms