[C#/WINFORM] Form 클래스 : MouseDown/MouseMove/MouseUp 이벤트를 사용해 테두리 없는 폼 만들기

TestProject.zip

0.01MB

▶ MainForm.cs

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

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

        #region Field

        /// <summary>
        /// 마지막 포인트
        /// </summary>
        private Point lastPoint;

        /// <summary>
        /// 드래그 여부
        /// </summary>
        private bool isDragging;

        #endregion

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

        #region 생성자 - MainForm()

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

            MouseDown              += Form_MouseDown;
            MouseMove              += Form_MouseMove;
            MouseUp                += Form_MouseUp;
            this.closeButton.Click += closeButton_Click;
        }

        #endregion

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

        #region 폼 마우스 DOWN 처리하기 - Form_MouseDown(sender, e)

        /// <summary>
        /// 폼 마우스 DOWN 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_MouseDown(object sender, MouseEventArgs e)
        {
            this.lastPoint.X = e.X;
            this.lastPoint.Y = e.Y;

            this.isDragging = true;
        }

        #endregion
        #region 폼 마우스 이동시 처리하기 - Form_MouseMove(sender, e)

        /// <summary>
        /// 폼 마우스 이동시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_MouseMove(object sender, MouseEventArgs e)
        {
            if(this.isDragging)
            {
                Point currentPoint = PointToScreen(e.Location);

                Location = new Point
                (
                    currentPoint.X - this.lastPoint.X,
                    currentPoint.Y - this.lastPoint.Y
                );
            }
        }

        #endregion
        #region 폼 마우스 UP 처리하기 - Form_MouseUp(sender, e)

        /// <summary>
        /// 폼 마우스 UP 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void Form_MouseUp(object sender, MouseEventArgs e)
        {
            this.isDragging = false;
        }

        #endregion
        #region 닫기 버튼 클릭시 처리하기 - closeButton_Click(sender, e)

        /// <summary>
        /// 닫기 버튼 클릭시 처리하기
        /// </summary>
        /// <param name="sender">이벤트 발생자</param>
        /// <param name="e">이벤트 인자</param>
        private void closeButton_Click(object sender, EventArgs e)
        {
            Close();
        }

        #endregion
    }
}