C++ Code_ScrollBar

2.

3.

4.

5.

VScrollBar

直接拖拽1其中任意空间到对话框上面是，你一拖拽滚动条，它立即回到原始位置

在控件上面添加1个HScrollBar和1个Edit控件

*/

//初始化部分添加代码

// TODO: Add extra initialization
here

CScrollBar *pScroll=(CScrollBar*)GetDlgItem(IDC_SCROLLBAR1);

pScroll->SetScrollRange(0, 100);

pScroll->SetScrollPos(0);

SetDlgItemInt(IDC_EDIT1, 0);

//为对话杠添加1个OnHScroll消息，添加如下代码

void CProject01Dlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar)

{

// TODO: Add your message handler code here and/or
call default

int iPos=pScrollBar->GetScrollPos();

switch (nSBCode)

{

case SB_LINERIGHT:

iPos+=1;

break;

case SB_LINELEFT:

iPos-=1;

break;

case SB_PAGERIGHT:

iPos+=10;

break;

case SB_PAGELEFT:

iPos-=10;

break;

case SB_THUMBTRACK:

iPos=nPos;

break;

default:

break;

}

if (iPos<0) iPos=0;

if (iPos>100) iPos=100;

pScrollBar->SetScrollPos(iPos);

SetDlgItemInt(IDC_EDIT1, iPos);

CDialog::OnHScroll(nSBCode, nPos, pScrollBar);

}

//为Edit1添加OnChange消息

void CProject01Dlg::OnChangeEdit1()

{

// TODO: If this is a RICHEDIT control, the control
will not

// send this notification unless you override the
CDialog::OnInitDialog()

// function and call
CRichEditCtrl().SetEventMask()

// with the ENM_CHANGE flag ORed into the
mask.

CString STR;

GetDlgItemText(IDC_EDIT1, STR);

STR.TrimLeft();

STR.TrimRight();

INT iPos=0;

if (STR!="-"
&& STR!="")

{

if
(!UpdateData())

{

return;

}

iPos=m_nEdt1;

}

CScrollBar *pScroll=(CScrollBar*)GetDlgItem(IDC_SCROLLBAR1);

pScroll->SetScrollPos(iPos);

// TODO: Add your control notification handler code
here

}

效果图：