LPNMLISTVIEW pNMLV = reinterpret_cast<LPNMLISTVIEW>(pNMHDR);
CString msg;
if (m_ListCtrlInit)
{
m_Sel = pNMLV->iItem;
if (ListView_GetCheckState(m_ListNamePLR.GetSafeHwnd(), m_Sel))
{
msg.Format(_T("Row %i đã Checked"),m_Sel);
MessageBox(msg,_T("Msg"),MB_OK);
}
else
{
msg.Format(_T("Row %i đã Unchecked"),m_Sel);
MessageBox(msg,_T("Msg"),MB_OK);
}
}

if ((pNMLV->uOldState == 0) && (pNMLV->uNewState !=0))

LPNMLISTVIEW pNMLV = reinterpret_cast<LPNMLISTVIEW>(pNMHDR);
CString msg;
if ((pNMLV->uOldState == 0) && (pNMLV->uNewState !=0))
{
m_Sel = pNMLV->iItem;
msg.Format(_T("Row %i"),m_Sel);
MessageBox(msg,_T("MSG"),MB_OK);
}

void CDialogA::OnInitDialog()
{
.....
CRect rect;
m_ListCtrl.GetClientRect(&rect);
int m_Width = rect.Width()/7;
m_ListCtrl.SetExtendedStyle( LVS_EX_CHECKBOXES |LVS_EX_FULLROWSELECT |LVS_EX_GRIDLINES |);
m_ListCtrl.InsertColumn(0,_T("Mau"),LVCFMT_LEFT,m_Width);
m_ListCtrl.InsertColumn(1,_T("Chat Lieu"),LVCFMT_LEFT,m_Width*4.8);
m_ListCtrl.InsertColumn(2,_T("Gia Tien"),LVCFMT_LEFT,m_Width*1.2);
int m_ListItem = 3;
LVITEM lvi;
CString strItem;
for (int i = 0;i<m_ListItem;i++)
{
lvi.mask= LVIF_TEXT;
strItem.Format(_T("Item %i"),i);
lvi.iItem=i;
lvi.iSubItem=0;
lvi.pszText = (LPTSTR)(LPCTSTR)(strItem);
m_ListCtrl.InsertItem(&lvi);
strItem.Format(_T("%d"), 10*i);
lvi.iSubItem =1;
lvi.pszText = (LPTSTR)(LPCTSTR)(strItem);
m_ListCtrl.SetItem(&lvi);
}
}

[Màu] [Chất Liệu]
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CAppDlg::OnLvnItemchangedListname(NMHDR *pNMHDR, LRESULT *pResult)
{
LPNMLISTVIEW pNMLV = reinterpret_cast<LPNMLISTVIEW>(pNMHDR);
int m_Selected = pNMLV->iItem;
CString strMsg;
strMsg.Format(_T("Chon row %i),m_Selected);
MessageBox(strMsg,_T("Msg"),MB_OK);
}

CDialogB aDlg;
aDlg.Create(IDD_DialogB,this);
aDlg.SetDlgItemText(IDD_EDIT1,m_DlgA);

CDialogB aDlg;
aDlg.SetDlgItemText(IDC_EDIT1,m_DlgA);

LRESULT CALLBACK MyWndProc(HWND hWnd,UINT uMsg,WPARAM wParam,LPARAM lParam)

warning C4311: 'type cast' : pointer truncation from 'LRESULT (__stdcall *)(HWND,UINT,WPARAM,LPARAM)' to 'LONG'
warning C4312: 'type cast' : conversion from 'LONG' to 'WNDPROC' of greater size
warning C4311: 'type cast' : pointer truncation from 'WNDPROC' to 'LONG'