Winforms - How to create a custom window border and close / minimize buttons?

Question

I would like to be able to create a black custom window (with a border and controls) similar to the one sent as part of a blend, Twirl or Adobe Lightroom expression.

Is there a way to create an owner in the form of best practices?

Platform: C # and WindowsForms (any version)

Answer 1

Custom Headers / Chrome in WinForms Application

Answer 2

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Answer 3

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    #region   - ,   ..
    private bool isCurrentlyActive = false;
    private bool childControlsAreHandled = false;
    private Pen activeWindowFramePen, inactiveWindowFramePen;
    private Point[] framePoints;

    private void AddControlPaintHandler(Control ctrl)
    {
        ctrl.Paint += DrawWindowFrame;
        if (ctrl.Controls != null)
        {
            foreach (Control childControl in ctrl.Controls)
            {
                AddControlPaintHandler(childControl);
            }
        }
    }

    protected override void OnActivated(EventArgs e)
    {
        base.OnActivated(e);
        if ((this.childControlsAreHandled == false)
            && (WindowFrameType != Forms.WindowFrameType.NoFrame)
            && (this.MdiParent == null))
        {
            RecalculateWindowFramePoints();
            AddControlPaintHandler(this);
            this.childControlsAreHandled = true;
        }

        this.isCurrentlyActive = true;
        if (InactiveWindowOpacity < 1)
        {
            base.Opacity = 1;
        }
        base.Invalidate(true);
    }

    protected override void OnDeactivate(EventArgs e)
    {
        base.OnDeactivate(e);
        this.isCurrentlyActive = false;
        if (InactiveWindowOpacity < 1)
        {
            base.Opacity = InactiveWindowOpacity;
        }
        base.Invalidate(true);
    }

    protected override void OnResizeEnd(EventArgs e)
    {
        base.OnResizeEnd(e);
        this.framePoints = null;
        RecalculateWindowFramePoints();
        this.Invalidate(true);
    }

    private Pen ActivePen
    {
        get
        {
            if (this.isCurrentlyActive)
            {
                if (this.activeWindowFramePen == null)
                {
                    this.activeWindowFramePen = new Pen(Color.FromArgb((int)(WindowFrameOpacity*255), WindowFrameActiveColor), WindowFrameSize * 2);
                }
                return this.activeWindowFramePen;
            }
            else
            {
                if (this.inactiveWindowFramePen == null)
                {
                    this.inactiveWindowFramePen = new Pen(Color.FromArgb((int)(WindowFrameOpacity*255), WindowFrameInactiveColor), WindowFrameSize * 2);
                }
                return this.inactiveWindowFramePen;
            }
        }
    }

    private Point[] RecalculateWindowFramePoints()
    {
        if ((WindowFrameType == Forms.WindowFrameType.AllSides)
            && (this.framePoints != null)
            && (this.framePoints.Length != 5))
        {
            this.framePoints = null;
        }
        if ((WindowFrameType == Forms.WindowFrameType.LeftLine)
            && (this.framePoints != null)
            && (this.framePoints.Length != 2))
        {
            this.framePoints = null;
        }
        if (this.framePoints == null)
        {
            switch (WindowFrameType)
            {
                case Forms.WindowFrameType.AllSides:
                    this.framePoints = new Point[5]
                    {
                        new Point(this.ClientRectangle.X, this.ClientRectangle.Y),
                        new Point(this.ClientRectangle.X + this.ClientRectangle.Width, this.ClientRectangle.Y),
                        new Point(this.ClientRectangle.X + this.ClientRectangle.Width, this.ClientRectangle.Y + this.ClientRectangle.Height),
                        new Point(this.ClientRectangle.X, this.ClientRectangle.Y + this.ClientRectangle.Height),
                        new Point(this.ClientRectangle.X, this.ClientRectangle.Y)
                    };
                    break;
                case Forms.WindowFrameType.LeftLine:
                    this.framePoints = new Point[2]
                    {
                        new Point(this.ClientRectangle.X, this.ClientRectangle.Y),
                        new Point(this.ClientRectangle.X, this.ClientRectangle.Y + this.ClientRectangle.Height)
                    };
                    break;
            }
        }
        return this.framePoints;
    }

    private void DrawWindowFrame(object sender, PaintEventArgs e)
    {
        if (WindowFrameType == Forms.WindowFrameType.NoFrame)
        {
            return;
        }
        if ((this.framePoints == null) || (this.framePoints.Length == 0))
        {
            return;
        }
        Control ctrl = (Control)(sender);
        //     .
        List<Point> pts = new List<Point>();
        foreach (var p in this.framePoints)
        {
            pts.Add(ctrl.PointToClient(this.PointToScreen(p)));
        }
        e.Graphics.DrawLines(ActivePen, pts.ToArray());
    }

    public static int WindowFrameSize = 2;
    public static WindowFrameType WindowFrameType = Forms.WindowFrameType.NoFrame;
    public static Color WindowFrameActiveColor = Color.YellowGreen;
    public static Color WindowFrameInactiveColor = SystemColors.ControlDark;
    public static double InactiveWindowOpacity = 1.0;
    public static double WindowFrameOpacity = 0.3;
    #endregion

() - .

Hope this helps someone.