这个真不会,以前Qbasic时,有定位命令,
VB6,你输出退格键试试。
Option Explicit Const STD_INPUT_HANDLE = -10& Const STD_OUTPUT_HANDLE = -11& Const STD_ERROR_HANDLE = -12& Private Declare Function AllocConsole Lib "kernel32" () As Long Private Declare Function FreeConsole Lib "kernel32" () As Long Private Declare Function GetStdHandle Lib "kernel32" (ByVal nStdHandle As Long) As Long Private Declare Function WriteConsole Lib "kernel32" Alias "WriteConsoleW" (ByVal hConsoleOutput As Long, ByVal lpBuffer As Long, ByVal nNumberOfCharsToWrite As Long, ByVal lpNumberOfCharsWritten As Long, ByVal lpReserved As Long) As Long Private Declare Function ReadConsole Lib "kernel32" Alias "ReadConsoleW" (ByVal hConsoleInput As Long, ByVal lpBufferas As Long, ByVal nNumberOfCharsToRead As Long, lpNumberOfCharsRead As Long, ByVal pInputControl As Long) As Long Private Declare Function FlushFileBuffers Lib "kernel32" (ByVal hFile As Long) As Long Dim hin As Long Dim hout As Long Dim herr As Long Sub Cout(s As String) WriteConsole hout, StrPtr(s), Len(s), 0, 0 End Sub Function Cin() As String Dim buf As String Dim n As Long Dim f As Long buf = Space(1024) f = ReadConsole(hin, StrPtr(buf), 1024, n, 0) Cin = Left(buf, n) End Function Private Sub Command1_Click() Dim s As String Dim n As Long Cout "请输入定时器速度,单位毫秒:" FlushFileBuffers hin s = Cin Cout s Timer1.Interval = CInt(s) Timer1.Enabled = True End Sub Private Sub Form_Load() AllocConsole hin = GetStdHandle(STD_INPUT_HANDLE) hout = GetStdHandle(STD_OUTPUT_HANDLE) herr = GetStdHandle(STD_ERROR_HANDLE) End Sub Private Sub Form_Unload(Cancel As Integer) FreeConsole End Sub Private Sub Timer1_Timer() Static n As Long n = n + 1 Cout vbCr & "进度:" & n & "% " If n >= 100 Then Timer1.Enabled = False n = 0 End If End Sub