tabpage平分tabcontrol

private void tabControl1_Resize(object sender, EventArgs e)
{
if (tabControl1.ItemSize.Width != tabControl1.Size.Width / (tabControl1.TabCount + 1))
{
tabControl1.ItemSize = new Size(tabControl1.Size.Width / (tabControl1.TabCount + 1), 30);
}
}

平均分配tabcontrol的宽度