TrackBar.Minimum : TrackBar « System.Windows.Forms « C# / C Sharp by API

1. C# / C Sharp by API
2. System.Windows.Forms
3. TrackBar

TrackBar.Minimum

 

    

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

public class TrackBars : Form
{
  Panel pnl;
  PictureBox pb;
  TrackBar htbar;
  TrackBar vtbar;

  public TrackBars()
  {
    Size = new Size(500,520);

    Image img = Image.FromFile("YourFile.bmp");

    pnl = new Panel();
    pnl.Parent = this;
    pnl.BorderStyle = BorderStyle.FixedSingle;
    pnl.Size = new Size(400,400);
    pnl.Location = new Point(10,10);

    pb = new PictureBox();
    pb.Parent = pnl;
    pb.Size = new Size(200, 200);
    pb.Location = new Point((pnl.Size.Width / 2) - (pb.Size.Width / 2),
                (pnl.Size.Height / 2) - (pb.Size.Height /2));
    pb.BorderStyle = BorderStyle.FixedSingle;
    pb.SizeMode = PictureBoxSizeMode.StretchImage;
    pb.Image = img;

    htbar = new TrackBar();
    htbar.Parent = this;
    htbar.Orientation = Orientation.Horizontal;
    htbar.Size = new Size(pnl.Width, 10);
    htbar.Location = new Point(pnl.Left, pnl.Bottom + 25);
    htbar.TickStyle = TickStyle.BottomRight;
    htbar.TickFrequency = 25;
    htbar.Minimum = 25;
    htbar.Maximum = 400;
    htbar.SmallChange = 10;
    htbar.LargeChange = 25;
    htbar.BackColor = Color.Yellow;
    htbar.Value = pb.Width;
    htbar.ValueChanged += new EventHandler(htbar_OnValueChanged);

    vtbar = new TrackBar();
    vtbar.Parent = this;
    vtbar.Orientation = Orientation.Vertical;
    vtbar.Size = new Size(25, pnl.Height);  
    vtbar.Location = new Point(pnl.Right + 25, pnl.Top);
    vtbar.TickStyle = TickStyle.Both;
    vtbar.SetRange(25,400);
    vtbar.SmallChange = 10;
    vtbar.LargeChange = 50;
    vtbar.TickFrequency = vtbar.Maximum / 20;
    vtbar.BackColor = Color.Pink;
    vtbar.Value = pb.Height;
    vtbar.ValueChanged += new EventHandler(vtbar_OnValueChanged);

  }

  private void htbar_OnValueChanged(object sender, EventArgs e)
  {
    pb.Size = new Size(htbar.Value, pb.Height);
  }

  private void vtbar_OnValueChanged(object sender, EventArgs e)
  {
    pb.Size = new Size(pb.Width, vtbar.Value);
  }

  static void Main() 
  {
    Application.Run(new TrackBars());
  }
}

   
  

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