3.1
private void menuItem2_Click(object sender, System.EventArgs e)
{
this.Size = new Size(600,400);
statusBarPanel1.Text = "大窗体";
}
private void menuItem3_Click(object sender, System.EventArgs e)
{
this.Size = new Size(300,200);
statusBarPanel1.Text = "中窗体";
}
private void menuItem4_Click(object sender, System.EventArgs e)
{
this.Size = new Size(150,120);
statusBarPanel1.Text = "小窗体";
}
private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
{
if (e.Button == toolBarButton1)
{
menuItem2_Click(sender,e);
}
if (e.Button == toolBarButton2)
{
menuItem3_Click(sender,e);
}
if (e.Button == toolBarButton3)
{
menuItem4_Click(sender,e);
}
}
3.2
private void menuItem2_Click(object sender, System.EventArgs e)
{
this.BackColor = Color.Red;
statusBarPanel1.Text = "红色";
}
private void menuItem3_Click(object sender, System.EventArgs e)
{
this.BackColor = Color.Green;
statusBarPanel1.Text = "绿色";
}
private void menuItem4_Click(object sender, System.EventArgs e)
{
this.BackColor = Color.Blue;
statusBarPanel1.Text = "蓝色";
}
private void toolBar1_ButtonClick(object sender, System.Windows.Forms.ToolBarButtonClickEventArgs e)
{