what's the diff: WS_EX_RIGHTSCROLLBAR v.s. WS_VSCROLL&VS_HSCROLL

see the question title开发者_运维百科.

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WS_VSCROLL will decide if vertical scroll will be present in window or not. - 1 WS_HSCROLL will decide if horizontal scroll will be present in window or not.

WS_EX_RIGHTSCROLLBAR will make the vertical scroll bar(if present, decided by 1) appear to the right. WS_EX_LEFTSCROLLBAR will make the vertical scroll bar(if present, decided by 1) appear to the left.