public class SourcePoint:System.drawing.Point
{
}SourcePoint test=new SourcePoint();
test.x 错误 x是Point 类的public 属性,为什么在派生类SourcePoint中看不到
{
}SourcePoint test=new SourcePoint();
test.x 错误 x是Point 类的public 属性,为什么在派生类SourcePoint中看不到
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