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  1. I'm in need of subtatial help with trancexx's FileSelectFolder UDF, if possible from the author herself. That UDF uses COM objects derived from the system-standard file dialog (IFileDialog), which object is then somewhat modified to implement the specific features trancexx wanted. What I want to do is modify that COM object further to add two Radio Button groups to the dialog, and return their values to the caller. Here's a rough example of what I think the modified FileSelectFolder2 code would have to approximate. Note that the string arguments containing all caps are from a C++ example provided by Microsoft. ; _MyModSelectFolder.au3 ;.......script written by trancexx (trancexx at yahoo dot com) ; Donations to help me write more are very welcome. I can receive them via PayPal address: trancexx at yahoo dot com ; Thank you for the shiny stuff :kiss: #include <GUIConstants.au3> #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> #Include <GuiButton.au3> #include <Array.au3> #include <Constants.au3> #include <StaticConstants.au3> #include <Misc.au3> #include <String.au3> #include <StringConstants.au3> #include <File.au3> #include <FileConstants.au3> #include <ColorConstants.au3> #include <GDIPlus.au3> #include <GDIPlusConstants.au3> #include <StructureConstants.au3> #include <Date.au3> #include <WinAPI.au3> #include "ModStatusMessages.au3" #include-once ;=============================================================================== #interface "IShellItem" Global Const $sIID_IShellItem = "{43826d1e-e718-42ee-bc55-a1e261c37bfe}" Global $tagIShellItem = "BindToHandler hresult(ptr;clsid;clsid;ptr*);" & _ "GetParent hresult(ptr*);" & _ "GetDisplayName hresult(int;ptr*);" & _ "GetAttributes hresult(int;int*);" & _ "Compare hresult(ptr;int;int*);" ;=============================================================================== ;=============================================================================== #interface "IShellItemArray" Global Const $sIID_IShellItemArray = "{b63ea76d-1f85-456f-a19c-48159efa858b}" Global $tagIShellItemArray = "BindToHandler hresult(ptr;clsid;clsid;ptr*);" & _ "GetPropertyStore hresult(int;clsid;ptr*);" & _ "GetPropertyDescriptionList hresult(struct*;clsid;ptr*);" & _ "GetAttributes hresult(int;int;int*);" & _ "GetCount hresult(dword*);" & _ "GetItemAt hresult(dword;ptr*);" & _ "EnumItems hresult(ptr*);" ;=============================================================================== ;=============================================================================== #interface "IModalWindow" Global Const $sIID_IModalWindow = "{b4db1657-70d7-485e-8e3e-6fcb5a5c1802}" Global $tagIModalWindow = "Show hresult(hwnd);" ;=============================================================================== ;=============================================================================== #interface "IFileDialog" Global Const $sIID_IFileDialog = "{42f85136-db7e-439c-85f1-e4075d135fc8}" Global $tagIFileDialog = $tagIModalWindow & _ "SetFileTypes hresult(uint;ptr);" & _ "SetFileTypeIndex hresult(uint);" & _ "GetFileTypeIndex hresult(uint*);" & _ "Advise hresult(ptr;dword*);" & _ "Unadvise hresult(dword);" & _ "SetOptions hresult(int);" & _ "GetOptions hresult(int*);" & _ "SetDefaultFolder hresult(ptr);" & _ "SetFolder hresult(ptr);" & _ "GetFolder hresult(ptr*);" & _ "GetCurrentSelection hresult(ptr*);" & _ "SetFileName hresult(wstr);" & _ "GetFileName hresult(ptr*);" & _ "SetTitle hresult(wstr);" & _ "SetOkButtonLabel hresult(wstr);" & _ "SetFileNameLabel hresult(wstr);" & _ "GetResult hresult(ptr*);" & _ "AddPlace hresult(ptr;int);" & _ "SetDefaultExtension hresult(wstr);" & _ "Close hresult();" & _ "SetClientGuid hresult(clsid);" & _ "ClearClientData hresult();" & _ "SetFilter hresult(ptr);" ;=============================================================================== ;=============================================================================== #interface "IFileOpenDialog" Global Const $sCLSID_FileOpenDialog = "{DC1C5A9C-E88A-4dde-A5A1-60F82A20AEF7}" Global Const $sIID_IFileOpenDialog = "{d57c7288-d4ad-4768-be02-9d969532d960}" Global $tagIFileOpenDialog = $tagIFileDialog & _ "GetResults hresult(ptr*);" & _ "GetSelectedItems hresult(ptr*);" ;=============================================================================== ; Initiates a Browse For Folder dialog - new Windows style - if available. If not available old style gets invoked. ; Same parameters as built-in functions plus few more :P. Func _MyModSelectFolder( $arg_PromptStr, $arg_RootFoldVal ) Local $iFlag=0, $sInitialDir="", $hWindow=0, $iFlags=Default, $sButtonText=Default Local $sDialogText = $arg_PromptStr, $sRootDir = $arg_RootFoldVal Local $Lf_Stat, $Lf_RadioButtonListObjPtr ; ; ;~ Func FileSelectFolder2($sDialogText, $sRootDir, $iFlag = 0, $sInitialDir = "", $hWindow = 0, $iFlags = Default, $sButtonText = Default) ; Local $oIFileDialog = ObjCreateInterface($sCLSID_FileOpenDialog, $sIID_IFileOpenDialog, $tagIFileOpenDialog) If @error Then _MyUpdStatusMsg("_MyModSelectFolder() - ObjCreateInterface(FileDialog) failed") Return "" EndIf ; Local $Lf_DlgObjID_CustomizeObjPtr = $oIFileDialog.QueryInterface() If $Lf_DlgObjID_CustomizeObjPtr = 0 Then ; Null return means error _MyUpdStatusMsg("_MyModSelectFolder() - $oIFileDialog.QueryInterface method failed") Return "" EndIf ; $Lf_Stat = $Lf_DlgObjID_CustomizeObjPtr.AddRadioButtonList("CONTROL_RADIOBUTTONLIST") If $Lf_Stat <> 0 Then ; Call failed _MyUpdStatusMsg("_MyModSelectFolder() - AddRadioButtonList method failed") Return "" EndIf ; $Lf_Stat = $Lf_DlgObjID_CustomizeObjPtr.SetControlState("CONTROL_RADIOBUTTONLIST, CDCS_VISIBLE | CDCS_ENABLED") If $Lf_Stat <> 0 Then ; Failure _MyUpdStatusMsg("_MyModSelectFolder() - SetControlState method failed") Return "" EndIf ; $Lf_Stat = $Lf_DlgObjID_CustomizeObjPtr.AddControlItem("CONTROL_RADIOBUTTONLIST, CONTROL_RADIOBUTTONGroup1") If $Lf_Stat <> 0 Then ; Failure _MyUpdStatusMsg("_MyModSelectFolder() - AddControlItem - RadioButtonGroup1 method failed") Return "" EndIf ; $Lf_Stat = $Lf_DlgObjID_CustomizeObjPtr.AddControlItem("CONTROL_RADIOBUTTONLIST, CONTROL_RADIOBUTTONGroup2") If $Lf_Stat <> 0 Then ; Failure _MyUpdStatusMsg("_MyModSelectFolder() - AddControlItem - RadioButtonGroup2 method failed") Return "" EndIf ; $Lf_Stat = $Lf_DlgObjID_CustomizeObjPtr.SetSelectedControlItem("CONTROL_RADIOBUTTONLIST, CONTROL_RADIOBUTTON1") If $Lf_Stat <> 0 Then ; Failure _MyUpdStatusMsg("_MyModSelectFolder() - AddControlItem - SetSelectedControlItem method failed") Return "" EndIf ; ; ; Pick up from trancexx's UDF code ; $oIFileDialog.SetTitle($sDialogText) If $sButtonText <> Default Then $oIFileDialog.SetOkButtonLabel($sButtonText) If $sRootDir = "" Then $sRootDir = @DesktopDir Local $pIDL = FSF_SHParseDisplayName($sRootDir) Local $oRoot = ObjCreateInterface(FSF_SHCreateShellItem($pIDL), $sIID_IShellItem, $tagIShellItem) If @error Then _MyUpdStatusMsg("_MyModSelectFolder() - ObjCreateInterface(FSF_SHCreateShellItem) #2 Failed!") Return "" ;~ Return FileSelectFolder($sDialogText, $sRootDir, $iFlag, $sInitialDir, $hWindow) EndIf FSF_CoTaskMemFree($pIDL) $oIFileDialog.SetFolder($oRoot()) $oIFileDialog.SetFileName($sInitialDir) Local Const $FOS_PICKFOLDERS = 0x20 if $iFlags = Default Then $iFlags = $FOS_PICKFOLDERS $oIFileDialog.SetOptions($iFlags) $oIFileDialog.Show($hWindow) ; Tada mtfk! Local $pShellItemArray $oIFileDialog.GetResults($pShellItemArray) Local $oShellItemArray = ObjCreateInterface($pShellItemArray, $sIID_IShellItemArray, $tagIShellItemArray) If @error Then Return SetError(1, 0, "") Local $iCount $oShellItemArray.GetCount($iCount) Local $pShellItem, $oIShellItem, $pName, $sName Local Const $S_OK = 0 Local Const $SIGDN_DESKTOPABSOLUTEEDITING = 0x8004c000, $SIGDN_FILESYSPATH = 0x80058000 ; ; For _MyModSelectFolder, the following code must be modified to return both radio button group's choice status ; For $i = 0 To $iCount - 1 $oShellItemArray.GetItemAt($i, $pShellItem) $oIShellItem = ObjCreateInterface($pShellItem, $sIID_IShellItem, $tagIShellItem) If @error Then ContinueLoop If $oIShellItem.GetDisplayName($SIGDN_FILESYSPATH, $pName) <> $S_OK Then If $oIShellItem.GetDisplayName($SIGDN_DESKTOPABSOLUTEEDITING, $pName) <> $S_OK Then Return SetError(2, 0, "") EndIf $sName &= DllStructGetData(DllStructCreate("wchar[" & FSF_StringLenW($pName) + 1 & "]", $pName), 1) & "|" FSF_CoTaskMemFree($pName) Next SetError(0, 0, StringTrimRight($sName, 1)) Return StringTrimRight($sName, 1) EndFunc ; Few helper functions down below... Func FSF_SHParseDisplayName($sPath) Local $aCall = DllCall("shell32.dll", "long", "SHParseDisplayName", "wstr", $sPath, "ptr", 0, "ptr*", 0, "ulong", 0, "ulong*", 0) If @error Or $aCall[0] Then Return SetError(1, 0, 0) Return $aCall[3] EndFunc Func FSF_SHCreateShellItem($pPIDL) Local $aCall = DllCall("shell32.dll", "long", "SHCreateShellItem", "ptr", 0, "ptr", 0, "ptr", $pPIDL, "ptr*", 0) If @error Or $aCall[0] Then Return SetError(1, 0, 0) Return $aCall[4] EndFunc Func FSF_CoTaskMemFree($pMemory) DllCall("ole32.dll", "none", "CoTaskMemFree", "ptr", $pMemory) If @error Then Return SetError(1, 0, 0) Return 1 EndFunc Func FSF_StringLenW($vString) Local $aCall = DllCall("kernel32.dll", "int", "lstrlenW", "struct*", $vString) If @error Then Return SetError(1, 0, 0) Return $aCall[0] EndFunc ; ; ; Func _MyUpdStatusMsg( $arg_Msg ) Local $Lf_MsgLineAra = StringSplit( $arg_Msg, @CR, $STR_ENTIRESPLIT ) If @error = 1 Then ; If no crlf delimiters found... StatusMsgs_WriteLine( $arg_Msg ) Else Local $Lf_MsgCount = $Lf_MsgLineAra[0] For $i = 1 To $Lf_MsgCount StatusMsgs_WriteLine( StringStripCR($Lf_MsgLineAra[$i]) ) Next EndIf EndFunc Obviously, this code must be fleshed out considerably, for which I am seeking assistance. For example, what data structures are used in these COM object calls, such as the Radio Button List Control ("CONTROL_RADIOBUTTONLIST"), and how do I create and populate them? Am I missing any method calls I need? Etc, etc... I would be endlessly grateful for guidance and coding assistance!
  2. Link and example: FrameGrabber.dll What about my question regarding returning a bitmap handle or bitmap data rather than saving the grabbed frame to disk? Actually I would talk about VScript because I'm curious but Jon doesn't want it but can you show me the code please? You said it is similar to AU3 code. I want to understand how you did it. Thanks.
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