我有一个充满SRT字幕的列表视图。我试图根据字幕错误更改列表视图颜色。一切都很好，但字幕重叠时颜色不会改变。我采用一个副标题的结束时间和下一个副标题的开始时间。根据差异，它决定是否重叠。计算没问题，但背景颜色和前景色不会改变。它确实改变了当前项目的背景颜色，但我需要为下一个listview项目更改背景颜色。
'EXAMPLE #######################################
For i as integer = 0 to listview1.items.count -1
ListView1.Items(i).UseItemStyleForSubItems = False
'this is working #######
ListView1.Items.Item(i).SubItems(1).BackColor = ColorTranslator.FromHtml("#F0A6A7")
'but this is NOT working ( THIS IS WHAT I NEED) ####################
ListView1.Items.Item(i).SubItems(i + 1).BackColor = ColorTranslator.FromHtml("#F0A6A7")
Next i
“############################################## ##########
Public Function Color_Errors(ByVal SubtitleListView As ListView)
For i = 0 To SubtitleListView.Items.Count - 2
SubtitleListView.Items(i).UseItemStyleForSubItems = False
SubtitleListView.Items(i + 1).UseItemStyleForSubItems = False
SubtitleListView.Items.Item(i).SubItems(1).ResetStyle()
SubtitleListView.Items.Item(i).SubItems(2).ResetStyle()
SubtitleListView.Items.Item(i).SubItems(3).ResetStyle()
SubtitleListView.Items.Item(i).SubItems(4).ResetStyle()
SubtitleListView.Items.Item(i).SubItems(5).ResetStyle()
Dim Text As String = SubtitleListView.Items.Item(i + 1).SubItems(5).Text
Dim TextLength As Integer = Get_Longest_Line_Length(Text)
Dim NumberOfLines As Integer = Split(Text, "|").Length
Dim Duration As Double = Convert_Time_to_Milliseconds(SubtitleListView.Items.Item(i).SubItems(4).Text)
Dim Pause As Double = Convert_Time_to_Milliseconds(SubtitleListView.Items.Item(i).SubItems(1).Text)
Dim _Start As Double = Convert_Time_to_Milliseconds(SubtitleListView.Items.Item(i).SubItems(2).Text)
Dim _End As Double = Convert_Time_to_Milliseconds(SubtitleListView.Items.Item(i).SubItems(3).Text)
Dim _NextStart As Double
If i < (SubtitleListView.Items.Count - 1) Then
_NextStart = Convert_TimeSpan_to_Milliseconds(SubtitleListView.Items.Item(i + 1).SubItems(2).Text)
End If
'TOO LONG LINES
If TextLength > MaxLength Then
SubtitleListView.Items.Item(i).SubItems(5).BackColor = ColorTranslator.FromHtml("#F0A6A7")
SubtitleListView.Items.Item(i).SubItems(5).ForeColor = Color.Black
End If
'TOO LONG DURATION
If Duration > 6000 Then
SubtitleListView.Items.Item(i).SubItems(4).BackColor = ColorTranslator.FromHtml("#F5CBD9")
SubtitleListView.Items.Item(i).SubItems(4).ForeColor = ColorTranslator.FromHtml("#6F0021")
SubtitleListView.Items.Item(i).SubItems(3).BackColor = ColorTranslator.FromHtml("#F5CBD9")
SubtitleListView.Items.Item(i).SubItems(3).ForeColor = ColorTranslator.FromHtml("#6F0021")
'SHORTER THAN 2 SECONDS
ElseIf Duration < 2000 AndAlso Duration >= 700 Then
SubtitleListView.Items.Item(i).SubItems(4).BackColor = Color.Red
SubtitleListView.Items.Item(i).SubItems(4).ForeColor = Color.White
'TOO SHORT DURATION
ElseIf Duration < 700 Then
SubtitleListView.Items.Item(i).SubItems(3).BackColor = ColorTranslator.FromHtml("#FFF0E1")
SubtitleListView.Items.Item(i).SubItems(3).ForeColor = ColorTranslator.FromHtml("#A45200")
SubtitleListView.Items.Item(i).SubItems(4).BackColor = ColorTranslator.FromHtml("#FFF0E1")
SubtitleListView.Items.Item(i).SubItems(4).ForeColor = ColorTranslator.FromHtml("#A45200")
End If
''TOO SHORT PAUSE
If Pause < 200 Then
SubtitleListView.Items.Item(i).SubItems(1).BackColor = ColorTranslator.FromHtml("#ACC9E6")
SubtitleListView.Items.Item(i).SubItems(1).ForeColor = Color.Black
SubtitleListView.Items.Item(i).SubItems(2).BackColor = ColorTranslator.FromHtml("#ACC9E6")
SubtitleListView.Items.Item(i).SubItems(2).ForeColor = Color.Black
End If
If NumberOfLines > 2 Then
SubtitleListView.Items.Item(i).SubItems(5).ForeColor = ColorTranslator.FromHtml("#0000FF")
End If
'ERROR PART #################################################
If i < (SubtitleListView.Items.Count - 1) Then
If _End > _NextStart Then
SubtitleListView.Items.Item(i + 1).SubItems(1).BackColor = ColorTranslator.FromHtml("#BB0025")
SubtitleListView.Items.Item(i + 1).SubItems(1).ForeColor = Color.White
SubtitleListView.Items.Item(i).SubItems(2).BackColor = ColorTranslator.FromHtml("#BB0025")
SubtitleListView.Items.Item(i).SubItems(2).ForeColor = Color.White
End If
End If
'############################################################
Next i
Return Nothing
End Function
Public Function Convert_Time_to_Milliseconds(ByVal Time As String)
If Time.Contains(":") = True Then
Dim VremePrviDeo() As String = Split(Time, ":")
If VremePrviDeo.Length = 3 Then
Dim Sati As Integer = VremePrviDeo(0) * 60 * 60 * 1000
Dim Minuti As Integer = VremePrviDeo(1) * 60 * 1000
Dim VremeDrugiDeo() As String = Split(VremePrviDeo(2), ",")
Dim Sekunde As Integer = VremeDrugiDeo(0) * 1000
Dim Milisekunde As Integer = VremeDrugiDeo(1)
Dim Miliseconds As Double = Sati + Minuti + Sekunde + Milisekunde
Return Miliseconds.ToString
ElseIf VremePrviDeo.Length = 2 Then
Dim Minuti As Integer = VremePrviDeo(0) * 60 * 1000
Dim VremeDrugiDeo() As String = Split(VremePrviDeo(2), ",")
Dim Sekunde As Integer = VremeDrugiDeo(0) * 1000
Dim Milisekunde As Integer = VremeDrugiDeo(1)
Dim Miliseconds As Double = Minuti + Sekunde + Milisekunde
Return Miliseconds.ToString
End If
Else
Dim VremePrviDeo() As String = Split(Time, ",")
Dim Sekunde As Integer = VremePrviDeo(0) * 1000
Dim Milisekunde As Integer = VremePrviDeo(1)
Dim Miliseconds As Double = Sekunde + Milisekunde
Return Miliseconds.ToString
End If
Return Nothing
End Function
Public Function Get_Longest_Line_Length(ByVal Text As String)
Dim Duzina As Integer = 0
For Each line As String In Split(Text, "|")
If line.Length > Duzina Then
Duzina = line.Length
End If
Next
Return Duzina
End Function
Public Function Convert_TimeSpan_to_Milliseconds(ByVal Time As String)
'Try
Dim Parsed() As String = Parse_String_to_TimeSpan(Time)
Dim Sat As Double = TimeSpan.FromHours(Parsed(0)).TotalMilliseconds
Dim Minut As Double = TimeSpan.FromMinutes(Parsed(1)).TotalMilliseconds
Dim Sekunda As Double = TimeSpan.FromSeconds(Parsed(2)).TotalMilliseconds
Dim Milisekunda As Double = TimeSpan.FromMilliseconds(Parsed(3)).TotalMilliseconds
Dim TotalTime As Double = Sat + Minut + Sekunda + Milisekunda
Return TotalTime
'Catch ex As Exception
'End Try
'Return Nothing
End Function