Retrieves the character index of the first character of a specified line in a multiline edit control.
#Include <GuiEdit.au3>
_GUICtrlEditLineIndex($h_edit[, $i_line = -1])
Parameters
| $h_edit | control id/control hWnd |
| $i_line | Optional: Specifies the zero-based line number. A value of รป1 specifies the current line number (the line that contains the caret). |
Return Value
| Success: | Returns the character index of the line specified in the $i_line parameter. |
| Failure: | Returns $EC_ERR if the specified line number is greater than the number of lines in the edit control. |
Remarks
None.
Related
_GUICtrlEditLineFromChar
Example
#include <GUIConstants.au3>
#include <GuiEdit.au3>
opt('MustDeclareVars', 1)
Dim $myedit, $Status, $msg, $Btn_GET
GUICreate("Edit Line Index", 392, 254)
$myedit = GUICtrlCreateEdit("First line" & @CRLF, 140, 32, 121, 97, BitOR($ES_AUTOVSCROLL, $WS_VSCROLL, $ES_MULTILINE))
GUICtrlSetLimit($myedit, 1500)
$Status = GUICtrlCreateLabel("", 0, 234, 392, 20, BitOR($SS_SUNKEN, $SS_CENTER))
$Btn_GET = GUICtrlCreateButton("Get", 150, 130, 90, 40, $BS_MULTILINE)
; will be append dont' forget 3rd parameter
GUICtrlSetData($myedit, "2nd line" & @CRLF & "3rd line" & @CRLF & "4th line" & @CRLF & _
"5th line" & @CRLF & "6th line" & @CRLF & "7th line" & @CRLF & "8th line" & @CRLF & "9th line", 1)
GUISetState()
; Run the GUI until the dialog is closed
While 1
$msg = GUIGetMsg()
Select
Case $msg = $GUI_EVENT_CLOSE
ExitLoop
Case $msg = $Btn_GET
Local $index = _GUICtrlEditLineIndex ($myedit)
If ($index == $EC_ERR) Then
GUICtrlSetData($Status, "Character Index: Invalid Index")
Else
GUICtrlSetData($Status, "Character Index: " & $index)
EndIf
EndSelect
WEnd