本文整理汇总了VB.NET中System.Windows.Forms.RichTextBox.GetLineFromCharIndex方法的典型用法代码示例。如果您正苦于以下问题：VB.NET RichTextBox.GetLineFromCharIndex方法的具体用法？VB.NET RichTextBox.GetLineFromCharIndex怎么用？VB.NET RichTextBox.GetLineFromCharIndex使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Windows.Forms.RichTextBox的用法示例。
在下文中一共展示了RichTextBox.GetLineFromCharIndex方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的VB.NET代码示例。
示例1: If
' This method demonstrates retrieving line numbers that
' indicate the location of a particular word
' contained in a RichTextBox. The line numbers are zero-based.
Private Sub Button1_Click(ByVal sender As System.Object, _
ByVal e As System.EventArgs) Handles Button1.Click
' Reset the results box.
TextBox1.Text = ""
' Get the word to search from from TextBox2.
Dim searchWord As String = TextBox2.Text
Dim index As Integer = 0
'Declare an ArrayList to store line numbers.
Dim lineList As New System.Collections.ArrayList
Do
' Find occurrences of the search word, incrementing
' the start index.
index = RichTextBox1.Find(searchWord, index + 1, _
RichTextBoxFinds.MatchCase)
If (index <> -1) Then
' Find the word's line number and add the line
'number to the arrayList.
lineList.Add(RichTextBox1.GetLineFromCharIndex(index))
End If
Loop While (index <> -1)
' Iterate through the list and display the line numbers in TextBox1.
Dim myEnumerator As System.Collections.IEnumerator = _
lineList.GetEnumerator()
If lineList.Count <= 0 Then
TextBox1.Text = searchWord & " was not found"
Else
TextBox1.SelectedText = searchWord & " was found on line(s):"
While (myEnumerator.MoveNext)
TextBox1.SelectedText = myEnumerator.Current & " "
End While
End If
End Sub