Control Tag Property : Control « GUI Windows Forms « C# / CSharp Tutorial

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C# / CSharp Tutorial » GUI Windows Forms » Control 
23.53.2.Control Tag Property
Control Tag Property
using System;
using System.Drawing;
using System.Windows.Forms;

public class Tags : Form
{
  Label lbl;

  public Tags()
  {
    Size = new Size(300,200);

    lbl = new Label();
    lbl.Text = "Label";
    lbl.AutoSize = true;
    lbl.Parent = this;
    lbl.Location = new Point(0,0);

    FontStyle theEnum = new FontStyle();
    FontStyle[] theStyles = (FontStyle[])Enum.GetValues(theEnum.GetType());

    int i = 1;
    foreach (FontStyle style in theStyles)
    {
      Button btn = new Button();
      btn.Parent = this;
      btn.Location = new Point(25,25 * i++);
      btn.Size = new Size(75,20);
      btn.Text = style.ToString();
      btn.Tag = style;
      btn.Click += new System.EventHandler(btn_Click);
    }
  }

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

  private void btn_Click(object sender, EventArgs e)
  {
    Button btn = (Button)sender;
    FontStyle fs = (FontStyle)btn.Tag;
    lbl.Font = new Font(lbl.Font, fs);
  }
}
23.53.Control
23.53.1.Control: TabIndex, Size and LocationControl: TabIndex, Size and Location
23.53.2.Control Tag PropertyControl Tag Property
23.53.3.Control Size and Location - DynamicControl Size and Location - Dynamic
23.53.4.Control Size and LocationControl Size and Location
23.53.5.Override the DefaultSize property to gain better performance
23.53.6.Create User Control based on Control classCreate User Control based on Control class
23.53.7.Get controls on a form and verify its typeGet controls on a form and verify its type
23.53.8.Set Caption(title) of the formSet Caption(title) of the form
23.53.9.Set form forground colorSet form forground color
23.53.10.Render onto the buttonRender onto the button
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