报任安书段知识点:为什么条件语句区分不了两个滚动条的响应函数?
来源:百度文库 编辑:高考问答 时间:2024/04/29 04:09:03
void CMy1_27Dlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)
{
// TODO: Add your message handler code here and/or call default
char sPos[100];
int iNowPos;
switch(nSBCode)
{
if(pScrollBar==&m_scrollbar2)
{
case SB_THUMBTRACK:
case SB_LINERIGHT:
case SB_LINELEFT:
case SB_PAGERIGHT:
case SB_PAGELEFT:
}
if(pScrollBar==&m_scrollbar1)
{
case SB_THUMBTRACK:
case SB_LINERIGHT:
case SB_LINELEFT:
case SB_PAGERIGHT:
case SB_PAGELEFT:
}
}
错误提示总是case value '5' already used等等~
{
// TODO: Add your message handler code here and/or call default
char sPos[100];
int iNowPos;
switch(nSBCode)
{
if(pScrollBar==&m_scrollbar2)
{
case SB_THUMBTRACK:
case SB_LINERIGHT:
case SB_LINELEFT:
case SB_PAGERIGHT:
case SB_PAGELEFT:
}
if(pScrollBar==&m_scrollbar1)
{
case SB_THUMBTRACK:
case SB_LINERIGHT:
case SB_LINELEFT:
case SB_PAGERIGHT:
case SB_PAGELEFT:
}
}
错误提示总是case value '5' already used等等~