TerenceAgius Posted March 2, 2013 Posted March 2, 2013 I have this piece of code $MapView = DllCall($hDll, [b]"str"[/b], "MapViewOfFile", _ "hwnd", $hFile[0], _ "dword", $FILE_MAP_WRITE, _ "dword", 0, _ "dword", 0, _ "dword", 0) Now "str" should be "hwnd" but if I do, I cannot read the returned string. In Autoit, is there a manual conversion function which can "cast" or convert a variant into a string?
KaFu Posted March 2, 2013 Posted March 2, 2013 (edited) Take a look at it's all there...Edit:You also might want to take a look at excellent example ...expandcollapse popup; #FUNCTION# ==================================================================================================================== ; Name...........: _WinAPI_MapViewOfFile ; Description....: Maps a view of a file mapping into the address space of a calling process. ; Syntax.........: _WinAPI_MapViewOfFile ( $hMapping [, $iOffset [, $iBytes [, $iAccess]]] ) ; Parameters.....: $hMapping - Handle to a file mapping object. The _WinAPI_CreateFileMapping() and _WinAPI_OpenFileMapping() ; functions return this handle. ; $iOffset - The file offset where the view is to begin. ; $iBytes - The number of bytes of a file mapping to map to a view. All bytes must be within the maximum size ; specified by _WinAPI_CreateFileMapping(). If $iBytes is 0, the mapping extends from the specified ; offset to the end of the file mapping. ; $iAccess - The access to the file mapping object. This parameter can be one of the following values. ; ; $FILE_MAP_ALL_ACCESS ; $FILE_MAP_COPY ; $FILE_MAP_READ ; $FILE_MAP_WRITE ; ; Each of the preceding values can be combined with the following value. ; ; $FILE_MAP_EXECUTE ; ; Return values..: Success - The starting address of the mapped view. ; Failure - 0 and sets the @error flag to non-zero. ; Author.........: Yashied ; Modified.......: ; Remarks........: For files that are larger than the address space, you can only map a small portion of the file data at one time. ; When the first view is complete, then you unmap it and map a new view. ; Related........: ; Link...........: @@MsdnLink@@ MapViewOfFile ; Example........: Yes ; =============================================================================================================================== Func _WinAPI_MapViewOfFile($hMapping, $iOffset = 0, $iBytes = 0, $iAccess = 0x0006) Local $Ret = DllCall('kernel32.dll', 'ptr', 'MapViewOfFile', 'ptr', $hMapping, 'dword', $iAccess, 'dword', _WinAPI_HiDWord($iOffset), 'dword', _WinAPI_LoDWord($iOffset), 'dword', $iBytes) If (@error) Or (Not $Ret[0]) Then Return SetError(1, 0, 0) EndIf Return $Ret[0] EndFunc ;==>_WinAPI_MapViewOfFile Edited March 2, 2013 by KaFu OS: Win10-22H2 - 64bit - German, AutoIt Version: 3.3.16.1, AutoIt Editor: SciTE, Website: https://funk.eu AMT - Auto-Movie-Thumbnailer (2024-Oct-13) BIC - Batch-Image-Cropper (2023-Apr-01) COP - Color Picker (2009-May-21) DCS - Dynamic Cursor Selector (2024-Oct-13) HMW - Hide my Windows (2024-Oct-19) HRC - HotKey Resolution Changer (2012-May-16) ICU - Icon Configuration Utility (2018-Sep-16) SMF - Search my Files (2025-May-18) - THE file info and duplicates search tool SSD - Set Sound Device (2017-Sep-16)
TerenceAgius Posted March 2, 2013 Author Posted March 2, 2013 Thanks Funny thing is I looked for ages for such UDFs...beautiful finished my app in minutes
KaFu Posted March 2, 2013 Posted March 2, 2013 You're welcome ... OS: Win10-22H2 - 64bit - German, AutoIt Version: 3.3.16.1, AutoIt Editor: SciTE, Website: https://funk.eu AMT - Auto-Movie-Thumbnailer (2024-Oct-13) BIC - Batch-Image-Cropper (2023-Apr-01) COP - Color Picker (2009-May-21) DCS - Dynamic Cursor Selector (2024-Oct-13) HMW - Hide my Windows (2024-Oct-19) HRC - HotKey Resolution Changer (2012-May-16) ICU - Icon Configuration Utility (2018-Sep-16) SMF - Search my Files (2025-May-18) - THE file info and duplicates search tool SSD - Set Sound Device (2017-Sep-16)
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