rgb前缀是什么意思

typedef struct tagRECT {
  LONG left;
  LONG top;
  LONG right;
  LONG bottom;
} RECT, *PRECT, NEAR *NPRECT, FAR *LPRECT;
Members
left
Specifies the x-coordinate of the upper-left corner of the rectangle.
top
Specifies the y-coordinate of the upper-left corner of the rectangle.
right
Specifies the x-coordinate of the lower-right corner of the rectangle.
bottom
Specifies the y-coordinate of the lower-right corner of the rectangle.
Headers
就是矩形


BYTE   An 8-bit integer that is not signed  8字节