[C#] FormBorderStyle None 사용시 아이콘, Resize, Move, taskbar click to minimize

FormBorderStyle None

 

1. FormBorderStyle None.

2. 버튼 아이콘 설정.

3. 위에 패널 or label 더블 클릭시 폼 최대화.

4. 위에 패널 or label 마우스 클릭후 폼 이동.

5. form padding으로 폼 Resize.

6. 작업표시줄에서 아이콘 클릭시 폼 최소화, 원상태 복귀.

 

2. 아이콘

 - 환경설정 버튼 : font Wingdings, 16.2pt, style=Bold, text = R

 - 최소화, 최대화, 닫기 : font Webdings, 13.8pt, style=Bold, text = 0, 1(최대화시 원상 복귀 2), r

최대화 이전

최대화 후

C#: 아이콘 폰트를 사용해보자. (webdings, wingdings) (tistory.com)

C#: 아이콘 폰트를 사용해보자. (webdings, wingdings)

 

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {
        const int WS_MINIMIZEBOX = 0x20000;
        const int CS_DBLCLKS = 0x8;

        const int WM_NCHITTEST = 0x0084;
        const int HTCLIENT = 1;
        private Point point;
        private bool isMove;

        private readonly Color _BackGroundColor = Color.FromArgb(42, 44, 52);
        private readonly Color _ForeGroundColor = Color.FromArgb(250, 250, 250);
        private bool maximized;

        public Form1()
        {
            InitializeComponent();
            SetControls();
            SetControlsEvent(); 
        }

        // 작업표시줄 아이콘 클릭시 최소화, 복귀
        protected override CreateParams CreateParams
        {
            get
            {
                CreateParams cp = base.CreateParams;
                cp.Style |= WS_MINIMIZEBOX;
                cp.ClassStyle |= CS_DBLCLKS;
                return cp;
            }
        }

        protected override void OnShown(EventArgs e)
        {
            base.OnShown(e);
            BackColor = _BackGroundColor;
            // 폼 리사이즈시 필요한 패딩
            Padding = new Padding(3);
            label1.Text = "test";
        }

        // 폼 이동, 리사이즈
        protected override void WndProc(ref Message m)
        {
            base.WndProc(ref m);
            switch (m.Msg)
            {
                case WM_NCHITTEST:
                    if (m.Result == (IntPtr)HTCLIENT)
                    {
                        var p = this.PointToClient(new Point(m.LParam.ToInt32()));

                        m.Result =
                            (IntPtr)
                            (p.X <= 6
                                 ? p.Y <= 6 ? 13 : p.Y >= this.Height - 7 ? 16 : 10
                                 : p.X >= this.Width - 7
                                       ? p.Y <= 6 ? 14 : p.Y >= this.Height - 7 ? 17 : 11
                                       : p.Y <= 6 ? 12 : p.Y >= this.Height - 7 ? 15 : p.Y <= 24 ? 2 : 1);
                    }
                    break;
            }
        }

        private void SetControls()
        {
            label1.ForeColor = _ForeGroundColor;

            btn_Setting.ForeColor = _ForeGroundColor;
            btn_Setting.BackColor = _BackGroundColor;
            btn_Setting.Cursor = Cursors.Hand;
            // 버튼 border 사이즈 0으로 변경
            btn_Setting.FlatStyle = FlatStyle.Flat;
            btn_Setting.FlatAppearance.BorderSize = 0;

            btn_Min.ForeColor = _ForeGroundColor;
            btn_Min.BackColor = _BackGroundColor;
            btn_Min.Cursor = Cursors.Hand;
            btn_Min.FlatStyle = FlatStyle.Flat;
            btn_Min.FlatAppearance.BorderSize = 0;

            btn_Max.ForeColor = _ForeGroundColor;
            btn_Max.BackColor = _BackGroundColor;
            btn_Max.Cursor = Cursors.Hand;
            btn_Max.FlatStyle = FlatStyle.Flat;
            btn_Max.FlatAppearance.BorderSize = 0;

            btn_Exit.ForeColor = _ForeGroundColor;
            btn_Exit.BackColor = _BackGroundColor;
            btn_Exit.Cursor = Cursors.Hand;
            btn_Exit.FlatStyle = FlatStyle.Flat;
            btn_Exit.FlatAppearance.BorderSize = 0;
        }

        private void SetControlsEvent()
        {
            this.FormClosed += Form1_FormClosed;
            // 최대화
            flowLayoutPanel1.MouseDoubleClick += Form_MouseDoubleClick;
            label1.MouseDoubleClick += Form_MouseDoubleClick;

            // 폼 이동
            label1.MouseDown += Label1_MouseDown;
            label1.MouseUp += Label1_MouseUp;
            label1.MouseMove += Label1_MouseMove;

            // 최소화
            btn_Min.Click += (s, e) => { WindowState = FormWindowState.Minimized; };
            // 최대화
            btn_Max.Click += (s, e) => { SetWindowState(); };
            // 닫기
            btn_Exit.Click += (s, e) => { Close(); };
        }

        private void Form1_FormClosed(object sender, FormClosedEventArgs e)
        {
            
        }

        private void Form_MouseDoubleClick(object sender, MouseEventArgs e)
        {
            if (e.Button == MouseButtons.Left)
                SetWindowState();
        }

        private void Label1_MouseDown(object sender, MouseEventArgs e)
        {
            isMove = true;
            point = new Point(e.X, e.Y);
        }
        
        private void Label1_MouseUp(object sender, MouseEventArgs e)
        {
            isMove = false;
        }

        private void Label1_MouseMove(object sender, MouseEventArgs e)
        {
            if (isMove && (e.Button & MouseButtons.Left) == MouseButtons.Left)
            {
                Location = new Point(this.Left - (point.X - e.X), this.Top - (point.Y - e.Y));
            }
        }

        private void SetWindowState()
        {
            if (maximized)
            {
                this.WindowState = FormWindowState.Normal;
                maximized = false;
                // 이모티콘 변경
                btn_Max.Text = "1";
            }
            else
            {
                this.WindowState = FormWindowState.Maximized;
                maximized = true;
                // 이모티콘 변경
                btn_Max.Text = "2";
            }
        }
    }
}