英语翻译A POINT structure containing the x– and y–coordinates sp

英语翻译
A POINT structure containing the x– and y–coordinates specifying the upper left corner of the drawing operation with respect to the image itself.Pixels of the image that are to the left of the x–coordinate and above the y–coordinate are not drawn.
一个POINT结构体包含x和y坐标进行指定在左上角按照这个图片开始画操作