本文整理汇总了VB.NET中System.Windows.Forms.RichTextBox.GetCharIndexFromPosition方法的典型用法代码示例。如果您正苦于以下问题：VB.NET RichTextBox.GetCharIndexFromPosition方法的具体用法？VB.NET RichTextBox.GetCharIndexFromPosition怎么用？VB.NET RichTextBox.GetCharIndexFromPosition使用的例子？那么, 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.GetCharIndexFromPosition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: Point
Private Sub richTextBox1_MouseDown(ByVal sender As Object, ByVal e As System.Windows.Forms.MouseEventArgs) Handles richTextBox1.MouseDown
' Declare the string to search for in the control.
Dim searchString As String = "brown"
' Determine whether the user clicks the left mouse button and whether it is a double click.
If e.Clicks = 1 And e.Button = MouseButtons.Left Then
' Obtain the character index where the user clicks on the control.
Dim positionToSearch As Integer = richTextBox1.GetCharIndexFromPosition(New Point(e.X, e.Y))
' Search for the search string text within the control from the point the user clicked.
Dim textLocation As Integer = richTextBox1.Find(searchString, positionToSearch, RichTextBoxFinds.None)
' If the search string is found (value greater than -1), display the index the string was found at.
If textLocation >= 0 Then
MessageBox.Show(("The search string was found at character index " + textLocation.ToString() + "."))
' Display a message box alerting the user that the text was not found.
Else
MessageBox.Show("The search string was not found within the text of the control.")
End If
End If
End Sub