pOutData (PLONG) - input

Pointer to BANDRECT structure.

Points to where the device coordinates of the next band are returned:

xLeft

X-coordinate of the lower-left corner of the rectangular band
yBottom
Y-coordinate of the lower-left corner of the rectangular band
xRight
X-coordinate of the top-right corner of the rectangular band
yTop
Y-coordinate of the top-right corner of the rectangular band
An empty rectangle (xLeft=xRight or yTop=yBottom) marks the end of the banding operation.