我在附加文件时加载进度条时遇到问题。我希望进度条一直工作,直到完成扫描附件文件。问题是当我附加文件并开始扫描时,进度条可能会工作 3-5 秒,我希望进度条会继续下去,直到文件完成扫描。
这是我的 opendialog 代码:
Private Sub OpenFileDialog1_FileOk(ByVal sender As System.Object, ByVal e As System.ComponentModel.CancelEventArgs) Handles OpenFileDialog1.FileOk
strm = OpenFileDialog1.OpenFile()
filename = OpenFileDialog1.FileName
OpenFileDialog1.Filter = "Excel files (*.xls)|*.xls|All files (*.*)|*.*"
TextBox1.Text = filename
If Not (strm Is Nothing) Then
strm.Close()
End If
End Sub
浏览按钮代码:
Private Sub Button1_Click_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
OpenFileDialog1.Title = "Please Select a File"
OpenFileDialog1.InitialDirectory = "C:temp"
OpenFileDialog1.Filter = "Excel files (*.xls)|*.xls|All files (*.*)|*.*"
OpenFileDialog1.ShowDialog()
End Sub
生成附件文件的代码:
Private Sub cmdGenerate_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdIntralinks.Click
conn.Open()
Timer1.Enabled = True
Timer1.Interval = 50
ProgressBar1.Value = 0
conn.close()
timer1_tick 的代码:
Private Sub Timer1_Tick_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Static TikTok As Integer
TikTok = TikTok + 1
ProgressBar1.Value = TikTok
If ProgressBar1.Value = ProgressBar1.Maximum Then
Timer1.Enabled = False
TikTok = 0
End If
End Sub
看看是否有效:
Private Sub Timer1_Tick_1(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Static TikTok As Integer
TikTok = TikTok + 1
ProgressBar1.Value = TikTok
If ProgressBar1.Value = ProgressBar1.Maximum Then
Timer1.Enabled = False
TikTok = 0
End If
Application.DoEvents()
End Sub
顺便说一句,您是否已经在 if 子句中放置了一个断点来查看 Progressbar.maximum 是否在预期之前达到了最大值? 氰基
我发现这篇文章,它很重要的教程,比如我正在搜索的教程所以有些不同,我很高兴,如果我能看到导入excel文件的名称作为进度条,那就更好了,每个导入文件数据采集时会显示其名称,这样逐个显示即可完成导入。我在网上或者youtube上搜索了很多教程但没有找到,比如进度条会根据选择导入的文件数量以百分比的形式添加,导入时鼠标忙,这是一个忙碌的时间。它会附有一个进度条,是否可以创建这么困难的程序,到目前为止还没有,如果你能做到,我的希望就实现了,请需要实用文件, ,谢谢莫斯坦