本文整理匯總了VB.NET中System.Windows.Forms.RichTextBox.GetCharIndexFromPosition方法的典型用法代碼示例。如果您正苦於以下問題：VB.NET RichTextBox.GetCharIndexFromPosition方法的具體用法？VB.NET RichTextBox.GetCharIndexFromPosition怎麽用？VB.NET RichTextBox.GetCharIndexFromPosition使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類System.Windows.Forms.RichTextBox的用法示例。
在下文中一共展示了RichTextBox.GetCharIndexFromPosition方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的VB.NET代碼示例。
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