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<h3 align="center"><font COLOR="#AOAO99"></font></h3>
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<tr><td><p align="center"><font color="#FF0000">如何用键盘滚动分割的视口?</font></td></tr>
<tr><td><p>
</Br>
我的问题是当我用鼠标滚动分割窗口时,视口滚动都很正常,但用键盘时,却什么也没有发生.<Br>
</Br>
在你的视图继承类中加入如下两个函数,假定该类为CScrollerView:<Br>
</Br>
void CScrollerView::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)<Br>
{<Br>
BOOL processed;<Br>
for (unsigned int i=0;i< nRepCnt&&processed;i++)<Br>
processed=KeyScroll(nChar);<Br>
if (!processed)<Br>
CScrollView::OnKeyDown(nChar, nRepCnt, nFlags);<Br>
}<Br>
</Br>
BOOL CScrollerView::KeyScroll(UINT nChar)<Br>
{<Br>
switch (nChar)<Br>
{<Br>
case VK_UP:<Br>
OnVScroll(SB_LINEUP,0,NULL);<Br>
break;<Br>
case VK_DOWN:<Br>
OnVScroll(SB_LINEDOWN,0,NULL);<Br>
break;<Br>
case VK_LEFT:<Br>
OnHScroll(SB_LINELEFT,0,NULL);<Br>
break;<Br>
case VK_RIGHT:<Br>
OnHScroll(SB_LINERIGHT,0,NULL);<Br>
break;<Br>
case VK_HOME:<Br>
OnHScroll(SB_LEFT,0,NULL);<Br>
break;<Br>
case VK_END:<Br>
OnHScroll(SB_RIGHT,0,NULL);<Br>
break;<Br>
case VK_PRIOR:<Br>
OnVScroll(SB_PAGEUP,0,NULL);<Br>
break;<Br>
case VK_NEXT:<Br>
OnVScroll(SB_PAGEDOWN,0,NULL);<Br>
break;<Br>
default:<Br>
return FALSE; // not for us<Br>
// and let the default class<Br>
// process it.<Br>
}<Br>
return TRUE;<Br>
}<Br>
</Br>
</Br>
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