How to set timer in form with Invoke code activities?

I want to put a stopwatch in the window. by activities invoke code

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I try put timer in activities but can’t set timer in invoke code

Ex. Code in activity

        System.Windows.Forms.Application.Exit()
        Dim Hight As Integer = 100
	Dim dt As DateTime = DateTime.Now
		
	lblTimer = New System.Windows.Forms.Timer()
	lblTimer.Enabled = True
	lblTimer.Interval = 100
		
	lblFname = New System.Windows.Forms.Label()
        lblFname.AutoSize = True
        lblFname.ForeColor = System.Drawing.Color.White
        lblFname.Location = New System.Drawing.Point(24, CInt(Hight/3))
        lblFname.Name = "lblFname"
        lblFname.TabIndex = 0
        lblFname.Text = "Uipath robot process..."
		
	Dim frm As New System.Windows.forms.form
	Dim bar As ProgressBar = New ProgressBar()
	bar.Location = New System.Drawing.Point(10, CInt(Hight/3)*2)
	bar.Name = "progressBar1"
	bar.MarqueeAnimationSpeed = 25
	bar.Size = New System.Drawing.Size(280, 5)
	bar.TabIndex = 0
	bar.Style = ProgressBarStyle.Marquee
	bar.Minimum = 0
	bar.Maximum = 100
		
        form= New System.Windows.forms.form
        form.Text="Robot Process"
        form.TopMost = True
        form.AutoSize = False
	form.FormBorderStyle = 0
	form.BackColor = System.Drawing.SystemColors.Highlight
	form.ClientSize = New System.Drawing.Size(300, Hight)
	form.StartPosition = FormStartPosition.CenterScreen
	form.Controls.Add(lblFname)
	form.Controls.Add(bar)
        form.Name = "Form1"
        form.Show()