' 控制文本框卷动 ' hwnd 为文本框的句柄, Horizontal 为水平方向卷动的行数(可为负数), Vertical为垂直方向卷动的行数(可为负数) Function ScrollText(ByVal hwnd As Long, ByVal Horizontal As Long, ByVal Vertical As Long) As Boolean ScrollText = SendMessageBynum(hwnd, EM_LINESCROLL, Horizontal, Vertical) End Function ' 获得文本框中的行数 ' hwnd 为文本框的句柄 Function GetTextRowCount(ByVal hwnd As Long) As Long GetTextRowCount = SendMessageBynum(hwnd, EM_GETLINECOUNT, 0, 0&) End Function
Txt1.SelLength=Len(txt1.Text)
' hwnd 为文本框的句柄, Horizontal 为水平方向卷动的行数(可为负数), Vertical为垂直方向卷动的行数(可为负数)
Function ScrollText(ByVal hwnd As Long, ByVal Horizontal As Long, ByVal Vertical As Long) As Boolean
ScrollText = SendMessageBynum(hwnd, EM_LINESCROLL, Horizontal, Vertical)
End Function
' 获得文本框中的行数
' hwnd 为文本框的句柄
Function GetTextRowCount(ByVal hwnd As Long) As Long
GetTextRowCount = SendMessageBynum(hwnd, EM_GETLINECOUNT, 0, 0&)
End Function