public static ConDbForm GetInstance(ScriptForm parent)
{
//判断是否存在该窗体,或时候该字窗体是否被释放过,如果不存在该窗体,则 new 一个新窗体
if (_instance == null || _instance.IsDisposed)
{
_instance = new ConDbForm(parent);
}
return(_instance);
}
private ConDbForm(ScriptForm parent)
{
this.parent = parent;
//速度太慢，注释掉
//dataSourceList = SqlLocator.GetLocalSqlServerNamesWithSqlClientFactory();
cbFlag = false;
InitializeComponent();
init();
}