hwnd=dllret
pm=hwnd
hdc=dllret
mref bm,67
pm=hwnd
dim rect,4
getptr pm.1,rect
dllproc"GetClientRect",pm,2,1
screen 0,rect.2,rect.3
pm=bm.4,0,0,rect.2,rect.3,hdc,0,0,0xCC0020
dllproc "BitBlt",pm,9,5
ここらへんが分かりません