作者chiai1101 (chiai)
看板C_Sharp
标题[问题] 结构指标发生错误
时间Wed Sep 26 21:50:58 2007
请问各位~
我宣告一个结构
unsafe public struct line_struct
{
public float x1, y1, x2, y2;
public line_struct* right_line;
public line_struct* left_line;
};
当我在一个button里写
unsafe
{
line_struct *head;
head = null;
head->x1 = 100;
textBox1.AppendText(head->x1.ToString());
}
执行button会发生"并未将物件参考设定为物件的执行个体"的错误...
请问是哪边的问题呢??谢谢
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 218.171.142.123
1F:推 kojiro1982:line_struct *head = new line_struct(); 09/26 22:03
2F:推 chiai1101:无法将型别 'X_ClockRouting.Form1.line_struct' 隐含转 09/26 22:19
3F:→ chiai1101:换为 'X_ClockRouting.Form1.line_struct* 09/26 22:20
4F:→ chiai1101:改了之後出现这麽错误讯息...谢谢你喔 09/26 22:20
5F:推 chiai1101:请问还有什麽解决方法吗@@? 09/27 00:09