4moms哪里维修

㈠ 4moms维修 在哪里有 屏幕出现红色闪动 显示error0100

printPreviewDialog1.PrintPreviewControl.StartPage = 0;
class Composite : Component
{
private List children = new List();
public Composite(string name) : base(name) { }
public override void Add(Component c)
{
children.Add(c);
}
public override void Remove(Component c)
{
children.Remove(c);
}