C# 代码中报“not all code paths return a value”错误
各位大侠,请帮忙看看这是什么问题,下面代码编写好后,报“Error 1 'Tetris_4.Brick.PointToRect(System.Drawing.Point)': not all code paths return a value C:\ARNO\C_Project\Tetris-4\Tetris-4\Brick.cs 56 27 Tetris-4”
本人实在不知该如何是好。多谢!!!
private Rectangle PointToRect(Point p)//单点放大成矩形
{
Rectangle r = new Rectangle((m_X + p.X) * m_BlockSize + 1,//x
(m_Y - p.Y) * m_BlockSize + 1,//y
m_BlockSize - 2,//width
m_BlockSize - 2);//height
}