//===================
//处理对话框的WM_NOTIFY消息
if ( *(LPDWORD)((LPBYTE)lParam+8)==TCN_SELCHANGE )
{
ShowWindow(Child1hWnd,SW_HIDE);
ShowWindow(Child2hWnd,SW_HIDE);
int i = SendMessage(hwndTab,TCM_GETCURSEL,0,0);
if (i == 0)
ShowWindow(Child1hWnd,SW_SHOWDEFAULT);
else
ShowWindow(Child2hWnd,SW_SHOWDEFAULT);
}