Function Reference


_GUICtrlRichEdit_StreamFromFile

Sets text in a control from a file

#include <GuiRichEdit.au3>
_GUICtrlRichEdit_StreamFromFile ( $hWnd, $sFileSpec )

Parameters

$hWnd Handle to the control
$sFileSpec file specification

Return Value

Success: True.
Failure: False and sets the @error flag to non-zero.
@error: 101 - $hWnd is not a handle
1021 - unable to open $sFileSpec
1022 - file is empty
700 - attempt to stream in too many characters

Remarks

If text is selected, replaces selection, else replaces all text in the control.

Call _GUICtrlRichEdit_SetLimitOnText() to increase the number of characters the control can contain.

Related

_GUICtrlRichEdit_SetLimitOnText, _GUICtrlRichEdit_StreamFromVar, _GUICtrlRichEdit_StreamToFile

See Also

Search EM_STREAMIN in MSDN Library.

Example

#include <GUIConstantsEx.au3>
#include <GuiRichEdit.au3>
#include <WindowsConstants.au3>

Example()

Func Example()
    Local $hGui, $iMsg, $idBtnNext, $iStep = 0, $idLblMsg, $hRichEdit
    $hGui = GUICreate("Example (" & StringTrimRight(@ScriptName, StringLen(".exe")) & ")", 320, 350, -1, -1)
    $hRichEdit = _GUICtrlRichEdit_Create($hGui, "This is a test.", 10, 10, 300, 220, _
            BitOR($ES_MULTILINE, $WS_VSCROLL, $ES_AUTOVSCROLL))
    $idLblMsg = GUICtrlCreateLabel("", 10, 235, 300, 60)
    $idBtnNext = GUICtrlCreateButton("Next", 270, 310, 40, 30)
    GUISetState(@SW_SHOW)

    _GUICtrlRichEdit_SetText($hRichEdit, "First paragraph")
    While True
        $iMsg = GUIGetMsg()
        Select
            Case $iMsg = $GUI_EVENT_CLOSE
                _GUICtrlRichEdit_Destroy($hRichEdit) ; needed unless script crashes
                ; GUIDelete()   ; is OK too
                Exit
            Case $iMsg = $idBtnNext
                $iStep += 1
                Switch $iStep
                    Case 1
                        _GUICtrlRichEdit_StreamToFile($hRichEdit, @DesktopDir & "\gcre.rtf")
                        GUICtrlSetData($idLblMsg, "Streamed to gcre.rtf")
                    Case 2
                        _GUICtrlRichEdit_SetText($hRichEdit, "")
                        _GUICtrlRichEdit_StreamFromFile($hRichEdit, @DesktopDir & "\gcre.rtf")
                        GUICtrlSetData($idLblMsg, "Streamed from gcre.rtf")
                    Case 3
                        _GUICtrlRichEdit_SetSel($hRichEdit, 2, 6)
                        _GUICtrlRichEdit_StreamFromFile($hRichEdit, @DesktopDir & "\gcre.rtf")
                        GUICtrlSetData($idLblMsg, "Replaced selection: an intentional mess!")
                        GUICtrlSetState($idBtnNext, $GUI_DISABLE)
                EndSwitch
        EndSelect
    WEnd
EndFunc   ;==>Example