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VB Forum / Win API / January 2008Get line length in textbox
The code below always returns the length of the first line of text in a textbox under Windows XP. Function GetLineLen(txt As TextBox, line As Long) As Long GetLineLen = SendMessage(txt.hwnd, EM_LINELENGTH, ByVal line, ByVal 0&) End Function What should I be using for Windows XP? Thanks, Ed >The code below always returns the length of the first line of text in a >textbox under Windows XP. > >Function GetLineLen(txt As TextBox, line As Long) As Long > GetLineLen = SendMessage(txt.hwnd, EM_LINELENGTH, ByVal line, ByVal 0&) >End Function Untested code: Function GetLineLen(txt As TextBox, line As Long) As Long Dim lineindex As Long lineindex = SendMessage(txt.hwnd, EM_LINEINDEX, ByVal line, ByVal 0&) GetLineLen = SendMessage(txt.hwnd, EM_LINELENGTH, ByVal lineindex, ByVal 0&) End Function  Signature--------- Scott Seligman <scott at <firstname> and michelle dot net> --------- Bodily exercise, when compulsory, does no harm to the body; but knowledge which is acquired under compulsion obtains no hold on the mind. -- The Republic by Plato >Untested code: > [quoted text clipped - 3 lines] > GetLineLen = SendMessage(txt.hwnd, EM_LINELENGTH, ByVal lineindex, ByVal 0&) >End Function Did quick test and seems to be working fine! Thanks, Ed > The code below always returns the length of the first line of text in a > textbox under Windows XP. [quoted text clipped - 4 lines] > > What should I be using for Windows XP? Good thing Scott understood what you meant. <g> SignatureMike Microsoft MVP Visual Basic >Good thing Scott understood what you meant. <g> I thought the subject made it pretty clear? ;) >>Good thing Scott understood what you meant. <g> > > I thought the subject made it pretty clear? ;) Yes, it was clear he wanted the line length, but take another look at what he wrote: > The code below always returns the length of the first line of text in a > textbox under Windows XP. > > What should I be using for Windows XP? I guess I found the 2 references to Windows XP to be confusing. Possibly just me. SignatureMike Microsoft MVP Visual Basic |
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