private void BasicWorkingTableSetting_FormClosing(object sender, FormClosingEventArgs e)
{
_instance = null;
}
private void 工作面基本信息设置ToolStripMenuItem_Click(object sender, EventArgs e)
{
BasicWorkingTableSetting bwt = new BasicWorkingTableSetting();
bwt.Show();
}
//创建窗体对象的静态方法
public static BasicWorkingTableSetting InstanceObject()
{
if (_instance == null)
_instance = new BasicWorkingTableSetting();
return _instance;
}