Determine the current line in a multiline TextBox control [ All Languages » VB »  Forms & Controls] Total Hit ( 3545) Rate this article:     Poor     Excellent   Submit Your Question/Comment about this article Rating

You can determine the line where the caret is in a multiline TextBox control by sending the control a EM_LINEFROMCHAR message, as follows: Click here to copy the following block Private Declare Function SendMessage Lib "user32" Alias "SendMessageA" (ByVal _   hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _   lParam As Any) As Long Const EM_LINEFROMCHAR = &HC9 Function GetTextBoxCurrentLine(TB As TextBox) As Long   GetTextBoxCurrentLine = SendMessage(TB.hWnd, EM_LINEFROMCHAR, -1, _     ByVal 0&) + 1 End Function For example: Print "Caret is on line " & GetTextBoxCurrentLine(Text1.hWnd)

Related Article(s)

Add an horizontal scrollbar to a ListBox control

Cut, copy, and paste using API functions

Dragging caption-less forms

Ensure that a TextBox caret is visible

Extended user interface for combo boxes

Open the list portion of a ComboBox control

Read and modify a TextBox control's formatting rectangle

Undo changes in a TextBox control

Limit the length of an item in a ListView control

Limit the length of the text in a TreeView node

ComboBoxGetDroppedControlRect - Get the size of a ComboBox dropped rectangle

DuplicateComboBox - Fast copy of the contents of a ComboBox control

DuplicateListBox - Fast copy of the contents of a ListBox control

ListBoxVisibleItems - The number of visible items in a ListBox control

TextBoxGetLine - Return a single line in a multiline TextBox control

Submitted By : Nayan Patel  (Member Since : 5/26/2004 12:23:06 PM)
	Job Description : He is the moderator of this site and currently working as an independent consultant. He works with VB.net/ASP.net, SQL Server and other MS technologies. He is MCSD.net, MCDBA and MCSE. In his free time he likes to watch funny movies and doing oil painting.
View all (893) submissions by this author  (Birth Date : 7/14/1981 )