[C#/WINFORM] PictureBox 클래스 : 버튼 모방하기

TestProject.zip

다운로드

▶ MainForm.cs

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

namespace TestProject
{
    /// <summary>
    /// 메인 폼
    /// </summary>
    public partial class MainForm : Form
    {
        //////////////////////////////////////////////////////////////////////////////////////////////////// Field
        ////////////////////////////////////////////////////////////////////////////////////////// Private

        #region Field

        /// <summary>
        /// 프레스 여부
        /// </summary>
        private bool isPressed = false;

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Constructor
        ////////////////////////////////////////////////////////////////////////////////////////// Public

        #region 생성자 - MainForm()

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

            #region 이벤트를 설정한다.

            this.canvasPictureBox.MouseDown  += canvasPictureBox_MouseDown;
            this.canvasPictureBox.MouseMove  += canvasPictureBox_MouseMove;
            this.canvasPictureBox.MouseClick += canvasPictureBox_MouseClick;
            this.canvasPictureBox.MouseUp    += canvasPictureBox_MouseUp;

            #endregion
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////////////////////////// Method
        ////////////////////////////////////////////////////////////////////////////////////////// Private
        //////////////////////////////////////////////////////////////////////////////// Event

        #region 캔버스 픽처 박스 마우스 DOWN 처리하기 - canvasPictureBox_MouseDown(sender, e)

        /// <summary>
        /// 캔버스 픽처 박스 마우스 DOWN 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void canvasPictureBox_MouseDown(object sender, MouseEventArgs e)
        {
            if(IsMouseOverButton(e.Location))
            {
                this.isPressed = true;

                this.canvasPictureBox.Image = Properties.Resources.ButtonDown;
            }
        }

        #endregion
        #region 캔버스 픽처 박스 마우스 이동시 처리하기 - canvasPictureBox_MouseMove(sender, e)

        /// <summary>
        /// 캔버스 픽처 박스 마우스 이동시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void canvasPictureBox_MouseMove(object sender, MouseEventArgs e)
        {
            Image targetImage = Properties.Resources.ButtonUp;

            if(IsMouseOverButton(e.Location))
            {
                if(this.isPressed)
                {
                    targetImage = Properties.Resources.ButtonDown;
                }
                else
                {
                    targetImage = Properties.Resources.ButtonMouseOver;
                }
            }
            else
            {
                targetImage = Properties.Resources.ButtonUp;
            }

            if(this.canvasPictureBox.Image != targetImage)
            {
                this.canvasPictureBox.Image = targetImage;
            }
        }

        #endregion
        #region 캔버스 픽처 박스 마우스 클릭시 처리하기 - canvasPictureBox_MouseClick(sender, e)

        /// <summary>
        /// 캔버스 픽처 박스 마우스 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void canvasPictureBox_MouseClick(object sender, MouseEventArgs e)
        {
            if(IsMouseOverButton(e.Location))
            {
                MessageBox.Show("Clicked");
            }
        }

        #endregion
        #region 캔버스 픽처 박스 마우스 UP 처리하기 - canvasPictureBox_MouseUp(sender, e)

        /// <summary>
        /// 캔버스 픽처 박스 마우스 UP 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void canvasPictureBox_MouseUp(object sender, MouseEventArgs e)
        {
            this.isPressed = false;

            this.canvasPictureBox.Image = Properties.Resources.ButtonUp;
        }

        #endregion

        //////////////////////////////////////////////////////////////////////////////// Function

        #region 마우스 버튼 상위 여부 구하기 - IsMouseOverButton(mousePoint)

        /// <summary>
        /// 마우스 버튼 상위 여부 구하기
        /// </summary>
        /// <param name="mousePoint">마우스 포인트</param>
        /// <returns>마우스 버튼 상위 여부</returns>
        private bool IsMouseOverButton(Point mousePoint)
        {
            if(mousePoint.X < 0)
            {
                return false;
            }

            if(mousePoint.Y < 0)
            {
                return false;
            }

            if(mousePoint.X >= Properties.Resources.ButtonMask.Width)
            {
                return false;
            }

            if(mousePoint.Y >= Properties.Resources.ButtonMask.Height)
            {
                return false;
            }

            Color color = Properties.Resources.ButtonMask.GetPixel(mousePoint.X, mousePoint.Y);

            return ((color.A == 255) && (color.R == 0) && (color.G == 0) && (color.B == 0));
        }

        #endregion
    }
}