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j0kky

_WinApi_GetLogicalProcessorInformation

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j0kky

Hi guys,

thanks to this request, I wrote my version of GetLogicalProcessorInformation UDF for x86 e x64:

; #FUNCTION# ========================================================================================================================
; Name...........: _WinAPI_GetLogicalProcessorInformation
; Description ...: Retrieves information about logical processors and related hardware.
; Syntax.........: _WinAPI_GetLogicalProcessorInformation()
; Return values .: On success it returns a bidimensional array: on rows there is the list of processor sets, these are the columns:
;                  |[0] - A logical processor affinity mask, which indicates the logical processors that the information applies to.
;                  |[1] - If setted, then the specified logical processors share a single processor core.
;                  |[2] - How many active processors that share functional units are in the relationship
;                         (it is setted only if the previous element is setted too)
;                  |[3] - If setted, it identifies the NUMA node (it can be 0).
;                  |[4] - If setted, the specified logical processors share a physical package.
;                  |[5] - A bidimensional array: on rows there is the cache list, these are the columns:
;                         |[0] - The cache level
;                         |[1] - The cache associativity
;                         |[2] - The cache line size, in bytes
;                         |[3] - The cache size, in bytes
;                         |[4] - The cache type
;                  On failure it returns -1 and sets @error to non zero:
;                  |-1 - internal error
;                  |-2 - missing DLL (Ws2_32.dll)
; Remarks .......: Search GetLogicalProcessorInformation in MSDN Library.
; Author ........: j0kky
; Modified ......: 1.0.0
; Links .........: https://msdn.microsoft.com/it-it/library/windows/desktop/ms683194(v=vs.85).aspx
; ====================================================================================================================================
Func _WinAPI_GetLogicalProcessorInformation()
    Local $hDll = DllOpen("kernel32.dll")
    If @error Then Return SetError(-2, 0, -1)
    Local Const $ERROR_INSUFFICIENT_BUFFER = 122
    Local $aRet = DllCall($hDll, "BOOL", "GetLogicalProcessorInformation", "ptr", Null, "dword*", 0)
    If @error Or Not (DllCall($hDll, "DWORD", "GetLastError")[0] = $ERROR_INSUFFICIENT_BUFFER) Then
        DllClose($hDll)
        Return SetError(-1, 0, -1)
    EndIf
    Local $nReturnLength = $aRet[2]
    Local $tBuffer = DllStructCreate("byte[" & $nReturnLength & "]")
    Local $pBuffer = DllStructGetPtr($tBuffer)
    $aRet = DllCall($hDll, "BOOL", "GetLogicalProcessorInformation", "ptr", $pBuffer, "dword*", $nReturnLength)
    If @error Or Not $aRet[0] Then
        DllClose($hDll)
        Return SetError(-1, 0, -1)
    EndIf
    Local Const $tagSYSTEM_LOGICAL_PROCESSOR_INFORMATION = "ULONG_PTR ProcessorMask; INT_PTR Relationship; BYTE UnionBuffer[16]"
    Local $tSYSTEM_LOGICAL_PROCESSOR_INFORMATION = DllStructCreate($tagSYSTEM_LOGICAL_PROCESSOR_INFORMATION, $pBuffer)
    Local $nSize = DllStructGetSize($tSYSTEM_LOGICAL_PROCESSOR_INFORMATION), $tCACHE_DESCRIPTOR, _
            $aResult[1][6], _ ;mask, core, logical, numa, package, cache
            $aCacheModel[0][5], _ ;level, associativity, line size, size, processor cache type
            $nOffset = 0, $nArraySize, $aCache, $vProcessor, $nProcessorMask
    $aResult[0][0] = $tSYSTEM_LOGICAL_PROCESSOR_INFORMATION.ProcessorMask
    $aResult[0][5] = $aCacheModel
    Do
        $tSYSTEM_LOGICAL_PROCESSOR_INFORMATION = DllStructCreate($tagSYSTEM_LOGICAL_PROCESSOR_INFORMATION, $pBuffer + $nOffset)
        $nProcessorMask = $tSYSTEM_LOGICAL_PROCESSOR_INFORMATION.ProcessorMask
        $nArraySize = UBound($aResult)
        For $i = 0 To ($nArraySize - 1)
            If $aResult[$i][0] = $nProcessorMask Then
                $vProcessor = $i
                ExitLoop
            EndIf
        Next
        If $vProcessor = Null Then
            ReDim $aResult[$nArraySize + 1][6]
            $aResult[$nArraySize][0] = $nProcessorMask
            $aResult[$nArraySize][5] = $aCacheModel
            $vProcessor = $nArraySize
        EndIf
        Switch $tSYSTEM_LOGICAL_PROCESSOR_INFORMATION.Relationship
            Case 0 ;RelationProcessorCore
                $aResult[$vProcessor][1] += 1
                If (DllStructCreate("byte Flags", DllStructGetPtr($tSYSTEM_LOGICAL_PROCESSOR_INFORMATION, "UnionBuffer")).Flags) = 1 Then
                    For $i = 1 To (($nSize = 24) ? 32 : 64)
                        $aResult[$vProcessor][2] += (Mod($nProcessorMask, 2) ? 1 : 0)
                        $nProcessorMask = Floor($nProcessorMask / 2)
                    Next
                EndIf
            Case 1 ;RelationNumaNode
                $aResult[$vProcessor][3] = DllStructCreate("dword NodeNumber", DllStructGetPtr($tSYSTEM_LOGICAL_PROCESSOR_INFORMATION, "UnionBuffer")).NodeNumber
            Case 2 ;RelationCache
                $tCACHE_DESCRIPTOR = DllStructCreate("byte Level; byte Associativity; word LineSize; dword Size; INT Type", _
                        DllStructGetPtr($tSYSTEM_LOGICAL_PROCESSOR_INFORMATION, "UnionBuffer"))
                $aCache = $aResult[$vProcessor][5]
                $nArraySize = UBound($aCache)
                ReDim $aCache[$nArraySize + 1][5]
                $aCache[$nArraySize][0] = $tCACHE_DESCRIPTOR.Level
                $aCache[$nArraySize][1] = $tCACHE_DESCRIPTOR.Associativity
                $aCache[$nArraySize][2] = $tCACHE_DESCRIPTOR.LineSize
                $aCache[$nArraySize][3] = $tCACHE_DESCRIPTOR.Size
                $aCache[$nArraySize][4] = $tCACHE_DESCRIPTOR.Type
                $aResult[$vProcessor][5] = $aCache
            Case 3 ;RelationProcessorPackage
                $aResult[$vProcessor][4] += 1
        EndSwitch
        $nOffset += $nSize
        $vProcessor = Null
    Until $nOffset = $nReturnLength
    DllClose($hDll)
    Return $aResult
EndFunc   ;==>_WinAPI_GetLogicalProcessorInformation

Usage example:

#include <array.au3>
$array = _WinAPI_GetLogicalProcessorInformation()

_ArrayDisplay($array, "Processor set list:")
For $i = 0 To UBound($array) - 1
    _ArrayDisplay($array[$i][5], "Processor set " & $i + 1 & " cache:")
Next

:)

Edited by j0kky
  • Like 1

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Danyfirex

 Nice version. Thank you. dllcall return type should be BOOL instead BOOLEAN.

 

Saludos

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Danyfirex

First dllcall too.

 

Saludos

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      #include-once #include <WinAPI.au3> #include <WinAPIGdi.au3> #include <WinAPISys.au3> #include <GUIConstantsEx.au3> #include <WindowsConstants.au3> ;~ #Include <windows.bi> Global Const $_tagRect = "struct;long left;long top;long right;long bottom;endstruct" Global Const $_tagSize = "struct;long cx;long cy;endstruct" Global Const $_tagGradient_Rect = "struct;ulong UpperLeft;ulong LowerRight;endstruct" Global Const $_tagPoint = "struct;long x;long y;endstruct" Global Const $_tagTrivertex = "struct;long x;long y;int Red;int Greed;int Blue;int Alpha;endstruct" Global Const $_tagPaintStruct = "struct;handle hdc;bool fErase;long left;long top;long right;long bottom;bool fRestore;bool fIncUpdate;byte rgbReserved[32];endstruct" Global Const $_tagWNDCLASSEX = "struct;uint cbSize;uint style;ptr lpfnWndProc;int cbClsExtra;int cbWndExtra;ptr hInstance;ptr hIcon;" & _ "ptr hCursor; ptr hbrBackground; ptr lpszMenuName;ptr lpszClassName;ptr hIconSm;endstruct" Global Const $CS_VREDRAW = 0x0001, $CS_HREDRAW =0x0002, $CS_GLOBALCLASS = 0x4000 Global Const $BN_CLICKED = 0 ;~ #Define _RGB(r,g,b) BGR(b,g,r) Global Const $GRADIENT_FILL_RECT_H = 0 Global Const $GRADIENT_FILL_RECT_V = 1 ;~ Dim Shared hInstance As HINSTANCE ;~ ' This dll is located in Windows directory ;~ DECLARE FUNCTION Gradientfill Lib "MSIMG32" ALIAS "GradientFill" _ ;~ (hDC AS HDC, pVertex As PTRIVERTEX, dwNumVertex As Integer,pMesh AS PGRADIENT_RECT, dwNumMesh As Integer, dwMode As Integer) As Integer ;~ '******************************************************************** ;~ ' A FB Control Template ;~ '******************************************************************** ;~ Declare Function NiceButt(ByVal hWnd as HWND,byval Msg as UINT,byval wParam as WPARAM,byval lParam as LPARAM) as LRESULT ;~ Declare FUNCTION IsMouseOver (hWnd As HWND )As Integer ;~ Declare SUB Draw_Gradient (hdc as HDC, x As Integer, y As integer, w As integer, h As Integer, r As integer, g As integer, b As integer) ;~ Declare FUNCTION Register_NiceButt()As Integer #cs ' 'Windows calls this function when the dll is loaded. /'Function DllMain alias "MAIN"(byval hModule as HMODULE,byval reason as Integer,byval lpReserved as LPVOID) as BOOL Select case reason case DLL_PROCESS_ATTACH hInstance=hModule Register_NiceButt() MessageBox(GetActiveWindow(),"OK","OK",MB_OK) Return 0 case DLL_PROCESS_DETACH ' end select return True end function '/ #ce #Region ### START Koda GUI section ### Form= $Form1 = GUICreate("Form1", 615, 437, 192, 124) RegisterButton() Global $Ctrl = _winapi_CreateWindowEx(0, "TestButton", "Test", BitOR($WS_VISIBLE, $WS_CHILD), 10, 10, 80, 30, $Form1) ConsoleWrite(@CRLF & $Ctrl) GUISetState(@SW_SHOW) _WinAPI_UpdateWindow($Form1) #EndRegion ### END Koda GUI section ### While 1 $nMsg = GUIGetMsg() Switch $nMsg Case $GUI_EVENT_CLOSE Exit EndSwitch WEnd Func RegisterButton() Local $hDll = DllCallbackRegister('TestButtonProc', 'lresult', 'hwnd;uint;wparam;lparam') ;~ DIM wc AS WNDCLASSEX ;~ DIM szClassName As String Local $sClass = "TestButton" Local $wc = DllStructCreate($_tagWNDCLASSEX & ';wchar szClassName[' & (StringLen($sClass) + 1) & ']') ;~ szClassName = "NiceButt" ;~ wc.cbSize = SIZEOF(WNDCLASSEX) $wc.cbSize = DllStructGetPtr($wc, 'szClassName') - DllStructGetPtr($wc) ;~ wc.style = CS_HREDRAW OR CS_VREDRAW OR CS_GLOBALCLASS $wc.style = BitOR($CS_HREDRAW, $CS_VREDRAW, $CS_GLOBALCLASS) ;~ wc.hInstance = GetmoduleHandle(0) 'hInstance $wc.hInstance = _WinAPI_GetModuleHandle(0) ;~ wc.hbrBackground = Cast(HBRUSH,COLOR_BTNFACE+1) ;/// $wc.hbrBackground = _WinAPI_CreateSolidBrush(_WinAPI_GetSysColor($COLOR_BTNFACE)) ;~ wc.lpszClassName = StrPtr(szClassName) $wc.lpszClassName = DllStructGetPtr($wc, 'szClassName') ;~ wc.lpfnWndProc = @NiceButt $wc.lpfnWndProc = DllCallbackGetPtr($hDll) ;~ wc.cbClsExtra = 0 $wc.cbClsExtra = 0 ;~ wc.cbWndExtra = 0 $wc.cbWndExtra = 0 ;~ wc.hIcon = 0 $wc.hIcon = 0 ;~ wc.hCursor = 0 $wc.hCursor = 0 ;~ wc.lpszMenuName = 0 $wc.lpszMenuName = 0 ;~ wc.hIconSm = 0 $wc.hIconSm = 0 $wc.szClassName = $sClass ;~ FUNCTION = RegisterClassEx(@wc) Local $aRet = _WinAPI_RegisterClassEx($wc) Return $aRet ;~ END FUNCTION EndFunc ;******************************************************************** ; Custom Control Procedure ;******************************************************************** ;~ Function NiceButt(ByVal hWnd as HWND,byval Msg as UINT,byval wParam as WPARAM,byval lParam as LPARAM) as LRESULT Func TestButtonProc($hWnd, $iMsg, $wParam, $lParam) Static $bBtnDown, $bMouseOver, $hCaptured Switch $iMsg Case $WM_CREATE Local $Rct = DllStructCreate($_tagRect) Local $iX, $iY, $iW, $iH $bBtnDown = False GetClientRect($hWnd, $Rct) $iX = $Rct.left $iY = $Rct.top $iW = $Rct.right - $Rct.left $iH = $Rct.bottom - $Rct.top InvalidateRect($hWnd, 0, False) ;~ EXIT FUNCTION ;~ Return 0 Case $WM_PAINT Local $ps ;= DllStructCreate($_tagPaintStruct) Local $hPen, $hBrush, $hOldBrush Dim $Rct = DllStructCreate($_tagRect) Dim $Size = DllStructCreate($_tagSize) Dim $T = "", $i Dim $XCtr, $YCtr Dim $iX, $iY, $iW, $iH Dim $iR, $iG, $iB GetClientRect($hWnd, $Rct) $iX = $Rct.left $iY = $Rct.top $iW = $Rct.right - $Rct.left $iH = $Rct.bottom - $Rct.top $XCtr = ($Rct.left + $Rct.right) / 2 $YCtr = ($Rct.top + $Rct.bottom) / 2 ;~ GetWindowText(hWnd,T ,255) ' Grab a copy of control caption ;~ DllCall("user32.dll", "int", "GetWindowTextW", "hwnd", $hWnd, "LPTSTR ", $T, "int", 255) ; not work $T = "Test" ;********************************** ; Draw our control ;********************************** Local $hDC = BeginPaint($hWnd, $ps) ;~ GetTextExtentPoint32(hDC, T , LEN(T),@Size) ' Get caption size GetTextExtentPoint32($hDC, $T, StringLen($T), $Size) $iR = 30 $iG = 90 $iB = 90 Draw_Gradient($hDC, $iX, $iY, $iW, $iH, $iR, $iG, $iB) SetBkMode($hDC, $TRANSPARENT) If $bBtnDown Then ;~ SetTextColor(hDC,_RGB(255,0,0)) SetTextColor($hDC, Dec(0xFF0000)) TextOut($hDC, $XCtr-($Size.cx/2)+1, $YCtr-($Size.cy/2)+1, $T) Else ;~ SetTextColor(hDC,_RGB(0,0,255)) SetTextColor($hDC, Dec(0x0000FF)) TextOut($hDC, $XCtr-$Size.cx/2, $YCtr-$Size.cy/2, $T) EndIf EndPaint($hWnd, $ps) ;~ EXIT FUNCTION ;~ Return 0 Case $WM_LBUTTONUP If $hWnd = $hCaptured Then ReleaseCapture() $bBtnDown = False InvalidateRect($hWnd, 0, 0) Local $hParent = GetParent($hWnd) ;~ SendMessage(hParent,WM_COMMAND,MAKELONG(GetWindowLong(hWnd,GWL_ID), BN_CLICKED),Cast(LONG,hWnd)) DllCall("user32.dll", "LRESULT", "SendMessageW", _ "hwnd", $hParent, _ "uint", $WM_COMMAND, _ "WPARAM", _WinAPI_MakeLong(_WinAPI_GetWindowLong($hWnd, $GWL_ID), $BN_CLICKED), _ "LPARAM", $hWnd) EndIf ;~ EXIT FUNCTION Return 0 Case $WM_LBUTTONDOWN SetCapture($hWnd) $hCaptured = $hWnd $bBtnDown = True SetFocus($hWnd) InvalidateRect($hWnd, 0, False) ;~ EXIT FUNCTION Return 0 Case $WM_MOUSEMOVE If $bBtnDown Then If IsMouseOver($hWnd) Then $bBtnDown = True InvalidateRect($hWnd, 0, False) ELSE ReleaseCapture() $bBtnDown = False InvalidateRect($hWnd, 0, False) EndIf EndIf ;~ EXIT FUNCTION ;~ Return 0 Case $WM_MOVING ReleaseCapture() $bBtnDown = False InvalidateRect($hWnd, 0, False) ;~ EXIT FUNCTION ;~ Return 0 Case $WM_SIZE ReleaseCapture() $bBtnDown = False InvalidateRect($hWnd, 0, False) ;~ EXIT FUNCTION ;~ Return 0 EndSwitch ;~ Return _WinAPI_DefWindowProc($hWnd, $iMsg, $wParam, $lParam) Return DllCall("user32.dll", "lresult", "DefWindowProcW", "hwnd", $hWnd, "uint", $iMsg, "wparam", $wParam, _ "lparam", $lParam)[0] EndFunc ;~ SUB Draw_Gradient (hdc as HDC, x As Integer, y As integer, w As integer, h As Integer, r As integer, g As integer, b As integer) Func Draw_Gradient($hDC, $iX, $iY, $iW, $iH, $iR, $iG, $iB) ;~ DIM Vert(2) AS TRIVERTEX Local $Vert[2] $Vert[0] = DllStructCreate($_tagTrivertex) $Vert[1] = DllStructCreate($_tagTrivertex) ;~ DIM Rect AS GRADIENT_RECT Local $Rect = DllStructCreate($_tagGradient_Rect) ;~ Vert (0).x = 0 $Vert[0].x = 0 ;~ Vert (0).y = 0 $Vert[0].y = 0 ;~ Vert (0).Red = 65535-(65535-(r*256)) $Vert[0].Red = 65535-(65535-($iR*256)) ;~ Vert (0).Green = 65535-(65535-(g*256)) $Vert[0].Green = 65535-(65535-($iG*256)) ;~ Vert (0).Blue = 65535-(65535-(b*256)) $Vert[0].Blue = 65535-(65535-($iB*256)) ;~ Vert (0).Alpha = 0 $Vert[0].Alpha = 0 ;~ '****************************************************** ;~ Vert (1).x = w $Vert[1].x = $iW ;~ Vert (1).y = h/2 $Vert[1].y = $iH/2 ;~ Vert (1).Red = 65535-(65535-(255*256)) $Vert[1].Red = 65535-(65535-(255*256)) ;~ Vert (1).Green = 65535-(65535-(255*256)) $Vert[1].Green = 65535-(65535-(255*256)) ;~ Vert (1).Blue = 65535-(65535-(255*256)) $Vert[1].Blue = 65535-(65535-(255*256)) ;~ Vert (1).Alpha = 0 $Vert[1].Alpha = 0 ;~ '****************************************************** ;~ Rect.UpperLeft = 0 $Rect.UpperLeft = 0 ;~ Rect.LowerRight = 1 $Rect.LowerRight = 1 ;~ '****************************************************** ;~ Gradientfill(hdc,@Vert(0),2,@Rect,1,GRADIENT_FILL_RECT_V) GradientFill($hDC, $Vert[0], 2, $Rect, 1, $GRADIENT_FILL_RECT_V) ;~ '****************************************************** ;~ Vert (0).x = 0 $Vert[0].x = 0 ;~ Vert (0).y = h/2 $Vert[0].y = $iH/2 ;~ Vert (0).Red = 65535-(65535-(255*256)) $Vert[0].Red = 65535-(65535-(255*256)) ;~ Vert (0).Green = 65535-(65535-(255*256)) $Vert[0].Green = 65535-(65535-(255*256)) ;~ Vert (0).Blue = 65535-(65535-(255*256)) $Vert[0].Blue = 65535-(65535-(255*256)) ;~ Vert (0).Alpha = 0 $Vert[0].Alpha = 0 ;~ '****************************************************** ;~ Vert (1).x = w $Vert[1].x = $iW ;~ Vert (1).y = h $Vert[1].y = $iH ;~ Vert (1).Red = 65535-(65535-(r*256)) $Vert[1].Red = 65535-(65535-($iR*256)) ;~ Vert (1).Green = 65535-(65535-(g*256)) $Vert[1].Green = 65535-(65535-($iG*256)) ;~ Vert (1).Blue = 65535-(65535-(b*256)) $Vert[1].Blue = 65535-(65535-($iB*256)) ;~ Vert (1).Alpha = 0 $Vert[1].Alpha = 0 ;~ '****************************************************** ;~ Rect.UpperLeft = 0 $Rect.UpperLeft = 0 ;~ Rect.LowerRight = 1 $Rect.LowerRight = 1 ;~ '****************************************************** ;~ Gradientfill(hdc,@Vert(0),2,@Rect,1,GRADIENT_FILL_RECT_V) GradientFill($hDC, $Vert[0], 2, $Rect, 1, $GRADIENT_FILL_RECT_V) ;~ END SUB EndFunc Func IsMouseOver($hWnd) Local $Rect = DllStructCreate($_tagRect) Local $Pt = DllStructCreate($_tagPoint) GetWindowRect ($hWnd, $Rect) GetCursorPos($Pt) Return PtInRect($Rect, $Pt) EndFunc Func _RGB($iR, $iG, $iB) Return ('0x' & Hex($iR, 2) & Hex($iG, 2) & Hex($iB, 2)) EndFunc Func _BGR($iB, $iG, $iR) Return ('0x' & Hex($iB, 2) & Hex($iG, 2) & Hex($iR, 2)) EndFunc Func InvalidateRect($hWnd, $tRECT = 0, $bErase = True) DllCall("user32.dll", "bool", "InvalidateRect", "hwnd", $hWnd, "struct*", $tRECT, "bool", $bErase) EndFunc Func SetFocus($hWnd) DllCall("user32.dll", "hwnd", "SetFocus", "hwnd", $hWnd) EndFunc Func PtInRect($tRect, $tPoint) Local $aRet = DllCall("user32.dll", "bool", "PtInRect", "ptr", DllStructGetPtr($tRect), "struct*", $tPoint) If IsArray($aRet) Then Return $aRet[0] Return False EndFunc Func GetWindowRect($hWnd, ByRef $tRect) DllCall("user32.dll", "bool", "GetWindowRect", "hwnd", $hWnd, "struct*", $tRect) EndFunc Func GetCursorPos(ByRef $tPoint) DllCall("user32.dll", "bool", "GetCursorPos", "struct*", $tPoint) EndFunc Func SetCapture($hWnd) DllCall("user32.dll", "hwnd", "SetCapture", "hwnd", $hWnd) EndFunc Func ReleaseCapture() DllCall("user32.dll", "bool", "ReleaseCapture") EndFunc Func SetTextColor($hDC, $iColor) DllCall("gdi32.dll", "INT", "SetTextColor", "handle", $hDC, "INT", $iColor) EndFunc Func BeginPaint($hWnd, ByRef $tPAINTSTRUCT) $tPAINTSTRUCT = DllStructCreate($tagPAINTSTRUCT) Local $aRet = DllCall('user32.dll', 'handle', 'BeginPaint', 'hwnd', $hWnd, 'struct*', $tPAINTSTRUCT) If @error Then Return SetError(@error, @extended, 0) Return $aRet[0] EndFunc Func GetTextExtentPoint32($hDC, $sText, $iTextLen, ByRef $tSize) DllCall("gdi32.dll", "bool", "GetTextExtentPoint32W", "handle", $hDC, "wstr", $sText, "int", $iTextLen, "struct*", $tSize) EndFunc Func GradientFill($hDC, $tVertex, $nVertex, $tMesh, $nMesh, $ulMode) DllCall("Msimg32.dll", "BOOL", "GradientFill", _ "handle", $hDC, _ "struct*", $tVertex, _ "ulong", $nVertex, _ "struct*", $tMesh, _ "ulong", $nMesh, _ "ulong", $ulMode) EndFunc Func GetParent($hWnd) Local $aResult = DllCall("user32.dll", "hwnd", "GetParent", "hwnd", $hWnd) If @error Then Return SetError(@error, @extended, 0) Return $aResult[0] EndFunc Func SetBkMode($hDC, $iBkMode) Local $aResult = DllCall("gdi32.dll", "int", "SetBkMode", "handle", $hDC, "int", $iBkMode) If @error Then Return SetError(@error, @extended, 0) Return $aResult[0] EndFunc Func EndPaint($hWnd, ByRef $tPAINTSTRUCT) Local $aRet = DllCall('user32.dll', 'bool', 'EndPaint', 'hwnd', $hWnd, 'struct*', $tPAINTSTRUCT) If @error Then Return SetError(@error, @extended, False) Return $aRet[0] EndFunc Func GetClientRect($hWnd, ByRef $tRect) Local $aRet = DllCall("user32.dll", "bool", "GetClientRect", "hwnd", $hWnd, "struct*", $tRect) If @error Or Not $aRet[0] Then Return SetError(@error + 10, @extended, 0) Return $tRect EndFunc Func TextOut($hDC, $iX, $iY, $sText, $iTextLen = Default) If $iTextLen = Default Then $iTextLen = StringLen($sText) DllCall('gdi32.dll', 'bool', 'TextOutW', 'handle', $hDC, 'int', $iX, 'int', $iY, 'wstr', $sText, 'int', $iTextLen) EndFunc  
    • r0ash
      By r0ash
      Hey guys, MattDiesel over Stackoverflow mentioned this beautiful piece of code 
      #include <WindowsConstants.au3> #include <WinAPI.au3> Local $IDM_FONT = 33 Local $hWindow = WinGetHandle("Untitled - Notepad") _WinAPI_PostMessage($hWindow, $WM_COMMAND, $IDM_FONT, 0) Local $hFontWin = WinWait("Font") $select = ControlCommand($hFontWin, "", "ComboBox1", "GetCurrentSelection", "") WinClose($hFontWin) MsgBox(0,"", $select) I realized that _WinAPI_PostMessage can trigger menu click event, even if Notepad is minimized.
      How do we know what is the decimal value of *any menu item or sub-menu item*? How we know "Format > Font" menu-item is 33 as wParam to _WinAPI_PostMessage()? Have a look at snapshot.
      Regards.

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