易语言编辑框添加行号模块

.如果真 (LineWidth ＝ 0)
LineWidth ＝ GetProp (hWnd, “LineNumber_LineWidth”)
.如果真结束
GetClientRect (hWnd, rect)
InflateRect (rect, -5, -5)
rect.Left ＝ rect.Left ＋ LineWidth
SendMessage_Rect (hWnd, #EM_SETRECT, 0, rect)