Private Declare Function GetTickCount Lib "kernel32" () As Long'以下代码较慢,用于比较 Private Sub Command1_Click() Dim Tempstr As String Dim i As Long, T As Long
T = GetTickCount For i = 1 To 9999 Tempstr = Tempstr & i & vbCrLf Next i
RichTextBox1.Text = Tempstr Form1.Caption = CStr((GetTickCount - T) / 1000) & "秒 " End Sub'首先,需要说明的是,9999999实在太大,想不把机子弄死都很难. '其次,text1有容量限制,无法那么长的字符串,会溢出的.改用 richtextbox吧 '与上面的代码相比,下面这样会快很多(虽然99999比9999大得多) Private Sub Command2_Click() Dim Tempstr As String Dim i As Long, T As Long Dim arr(99998) As String
T = GetTickCount For i = 1 To 99999 arr(i - 1) = CStr(i) Next i Tempstr = Join(arr, vbCrLf) & vbCrLf RichTextBox1.Text = Tempstr Form1.Caption = CStr((GetTickCount - T) / 1000) & "秒 " End Sub
for i=1 to 9999999 DoEvents text1.text=text1.text & i & chr(13) & chr(10) next i
Private Sub Command1_Click()
Dim Tempstr As String
Dim i As Long, T As Long
T = GetTickCount
For i = 1 To 9999
Tempstr = Tempstr & i & vbCrLf
Next i
RichTextBox1.Text = Tempstr
Form1.Caption = CStr((GetTickCount - T) / 1000) & "秒 "
End Sub'首先,需要说明的是,9999999实在太大,想不把机子弄死都很难.
'其次,text1有容量限制,无法那么长的字符串,会溢出的.改用 richtextbox吧
'与上面的代码相比,下面这样会快很多(虽然99999比9999大得多)
Private Sub Command2_Click()
Dim Tempstr As String
Dim i As Long, T As Long
Dim arr(99998) As String
T = GetTickCount
For i = 1 To 99999
arr(i - 1) = CStr(i)
Next i
Tempstr = Join(arr, vbCrLf) & vbCrLf
RichTextBox1.Text = Tempstr
Form1.Caption = CStr((GetTickCount - T) / 1000) & "秒 "
End Sub
for i=1 to 9999999
DoEvents
text1.text=text1.text & i & chr(13) & chr(10)
next i