我用evc4.0编程,程序代码如下:
BOOL CProEdit::PreTranslateMessage(MSG* pMsg)
{
// TODO: Add your specialized code here and/or call the base class
if(pMsg->message == WM_KEYDOWN)
switch(pMsg->wParam)
{
case VK_DOWN:
if(curLine != GetLineCount()-1)
{
curLine++;
SetCurLineSel(curLine);
}
return 1;
case VK_UP:
if(curLine != 0)
{
curLine--;
SetCurLineSel(curLine);
}
return 1;
case VK_LEFT: return false;
case VK_RIGHT: return false;
default: break; }
return CEdit::PreTranslateMessage(pMsg);
}CProEdit是我新建的edit类,,想让光标只能上下移动
现在的问题是:上下键光标不动,左右可以,请教原因
BOOL CProEdit::PreTranslateMessage(MSG* pMsg)
{
// TODO: Add your specialized code here and/or call the base class
if(pMsg->message == WM_KEYDOWN)
switch(pMsg->wParam)
{
case VK_DOWN:
if(curLine != GetLineCount()-1)
{
curLine++;
SetCurLineSel(curLine);
}
return 1;
case VK_UP:
if(curLine != 0)
{
curLine--;
SetCurLineSel(curLine);
}
return 1;
case VK_LEFT: return false;
case VK_RIGHT: return false;
default: break; }
return CEdit::PreTranslateMessage(pMsg);
}CProEdit是我新建的edit类,,想让光标只能上下移动
现在的问题是:上下键光标不动,左右可以,请教原因
BOOL CProEdit::PreTranslateMessage(MSG* pMsg)
{
// TODO: Add your specialized code here and/or call the base class
if(pMsg->message == WM_KEYDOWN)
switch(pMsg->wParam)
{
case VK_DOWN:
if(curLine != GetLineCount()-1)
{
curLine++;
SetCurLineSel(curLine);
}
return FALSE;
case VK_UP:
if(curLine != 0)
{
curLine--;
SetCurLineSel(curLine);
}
return FALSE;
case VK_LEFT: return TRUE;
case VK_RIGHT: return TRUE;
default: break;}
return CEdit::PreTranslateMessage(pMsg);
} 返回值错了:
Nonzero if the message was translated and should not be dispatched;
0 if the message was not translated and should be dispatched.