Add image to button using code in mdi form.

public void AddMenu()
{
Menus.Add("Database");
Menus.Add("Setting");
Menus.Add("Measure");
Menus.Add("Help");
Menus.Add("About");
int width, height;
width = 60;
height = 60;
int top = 10;
int left = 10;

for (int i = 1; i < Menus.Count; i++)
{
Button button = new Button();
button.Left = left;
button.Top = top;
button.Text = Menus[i];
this.Controls.Add(button);
button.BackColor = Color.RosyBrown;
button.BringToFront();
button.Size = new Size(width, height);
left += button.Height + 25;
button.ImageAlign = ContentAlignment.MiddleCenter;
}