[問題] 結構指標發生錯誤
請問各位~
我宣告一個結構
unsafe public struct line_struct
{
public float x1, y1, x2, y2;
public line_struct* right_line;
public line_struct* left_line;
};
當我在一個button裡寫
unsafe
{
line_struct *head;
head = null;
head->x1 = 100;
textBox1.AppendText(head->x1.ToString());
}
執行button會發生"並未將物件參考設定為物件的執行個體"的錯誤...
請問是哪邊的問題呢??謝謝
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