private void 更新履歴ToolStripMenuItem_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
Form4 form4 = new Form4();
form4.ShowDialog();
timer1.Enabled = true;
}
private void button5_Click(object sender, EventArgs e)
{
timer1.Enabled = false;
Form4 form4 = new Form4();
form4.ShowDialog();
timer1.Enabled = true;
}