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kcvinu

How to change the back color of button created with _GUICtrlButton_Create function ?

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kcvinu

Hi all,

I have a button created with _GUICtrlButton_Create function. I know that this function returns a handle of button instead of an ID. So i have obtain control ID by calling _WinAPI_GetDlgCtrlID function. After that i have tried the GUICtrlSetBkColor function. But it didnt worked. Any suggestions will be appreciated. Thanks in advance. 

Note : - The window which carries this button is not created with native gui create function. Instead, it is created with CreateWindowEx api function.


My Contributions

UDF Link Viewer   --- A tool to visit the links of some most important UDFs 

 Includer_2  ----- A tool to type the #include statement automatically 

 Digits To Date  ----- date from 3 integer values

PrintList ----- prints arrays into console for testing.

 Alert  ------ An alternative for MsgBox 

 MousePosition ------- A simple tooltip display of mouse position

GRM Helper -------- A littile tool to help writing code with GUIRegisterMsg function

Access_UDF  -------- An UDF for working with access database files. (.*accdb only)

 

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funkey

GUICtrlSetBkColor does not work because AutoIt handles this only for the buildin standard controls.

I don't think you really want this, but the only way is to use an ownerdrawn button. This is a lot of work for something like changing the background color.

 

Here is an example from 

I only changed the GUICtrlCreateButton to _GUICtrlButton_Create

 

; *******************************************************
; Example - Create an ownerdrawn/colored button
; *******************************************************

#AutoIt3Wrapper_UseX64=n

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

#include <GuiButton.au3>

Example()

Func Example()
    Local Const $BS_OWNERDRAW = 0x0000000B
    Local $hGUI, $nButton, $hButton, $nButton2, $GUIMsg

    $hGUI = GUICreate("My Ownerdrawn Created Button", 300, 200)

;~     $nButton = GUICtrlCreateButton("", 90, 50, 120, 40)
;~     GUICtrlSetStyle($nButton, BitOR($WS_TABSTOP, $BS_NOTIFY, $BS_MULTILINE, $BS_OWNERDRAW)) ; Set the ownerdrawn flag
    $hButton = _GUICtrlButton_Create($hGUI, "", 90, 50, 120, 40, BitOR($WS_TABSTOP, $BS_NOTIFY, $BS_MULTILINE, $BS_OWNERDRAW))
    $nButton = _WinAPI_GetDlgCtrlID($hButton)
    $nButton2 = GUICtrlCreateButton("Normal Button", 90, 110, 120, 30)

    GUIRegisterMsg($WM_COMMAND, "MY_WM_COMMAND")
    ; WM_DRAWITEM has to registered before showing GUI otherwise the initial drawing isn't done
    GUIRegisterMsg($WM_DRAWITEM, "MY_WM_DRAWITEM")

    GUISetState()

    While 1
        $GUIMsg = GUIGetMsg()

        Switch $GUIMsg
            Case $GUI_EVENT_CLOSE
                ExitLoop

            Case $nButton
                ; Normally should not run through cause of our MY_WM_COMMAND function
                MsgBox(0, "Info", "Button pressed")

            Case $nButton2
                ; Normally should not run through cause of our MY_WM_COMMAND function
                MsgBox(0, "Info", "Button2 pressed")
        EndSwitch
    WEnd
EndFunc   ;==>Example

; React on a button click
Func MY_WM_COMMAND($hWnd, $Msg, $wParam, $lParam)
    $nNotifyCode = BitShift($wParam, 16)
    $nID = BitAND($wParam, 0x0000FFFF)
    $hCtrl = $lParam

    If $nID <> 2 And $nNotifyCode = 0 Then ; Check for IDCANCEL - 2
        ; Ownerdrawn buttons don't send something by pressing ENTER
        ; So IDOK - 1 comes up, now check for the control that has the current focus
        If $nID = 1 Then
            $hFocus = DllCall("user32.dll", "hwnd", "GetFocus")
            $nCtrlID = DllCall("user32.dll", "int", "GetDlgCtrlID", "hwnd", $hFocus[0])
            PostButtonclick($hWnd, $nCtrlID[0])
        Else
            MsgBox(0, "MY_WM_COMMAND", "GUIHWnd" & @TAB & ":" & $hWnd & @LF & _
                    "MsgID" & @TAB & ":" & $Msg & @LF & _
                    "wParam" & @TAB & ":" & $wParam & @LF & _
                    "lParam" & @TAB & ":" & $lParam & @LF & @LF & _
                    "WM_COMMAND - Infos:" & @LF & _
                    "-----------------------------" & @LF & _
                    "Code" & @TAB & ":" & $nNotifyCode & @LF & _
                    "CtrlID" & @TAB & ":" & $nID & @LF & _
                    "CtrlHWnd" & @TAB & ":" & $hCtrl)
        EndIf
        Return 0 ; Only workout clicking on the button
    EndIf
    ; Proceed the default Autoit3 internal message commands.
    ; You also can complete let the line out.
    ; !!! But only 'Return' (without any value) will not proceed
    ; the default Autoit3-message in the future !!!
    Return $GUI_RUNDEFMSG
EndFunc   ;==>MY_WM_COMMAND


; RePost a WM_COMMAND message to a ctrl in a gui window
Func PostButtonclick($hWnd, $nCtrlID)
    DllCall("user32.dll", "int", "PostMessage", _
            "hwnd", $hWnd, _
            "int", $WM_COMMAND, _
            "int", BitAND($nCtrlID, 0x0000FFFF), _
            "hwnd", GUICtrlGetHandle($nCtrlID))
EndFunc   ;==>PostButtonclick


; Draw the button
Func MY_WM_DRAWITEM($hWnd, $Msg, $wParam, $lParam)
    Local $stDrawItem = DllStructCreate("uint;uint;uint;uint;uint;uint;uint;int[4];dword", $lParam)
    Local Const $ODT_BUTTON = 4

    $nCtlType = DllStructGetData($stDrawItem, 1)
    If $nCtlType = $ODT_BUTTON Then
        $nCtrlID = DllStructGetData($stDrawItem, 2)
        $nItemState = DllStructGetData($stDrawItem, 5)
        $hCtrl = DllStructGetData($stDrawItem, 6)
        $hDC = DllStructGetData($stDrawItem, 7)
        $nLeft = DllStructGetData($stDrawItem, 8, 1)
        $nTop = DllStructGetData($stDrawItem, 8, 2)
        $nRight = DllStructGetData($stDrawItem, 8, 3)
        $nBottom = DllStructGetData($stDrawItem, 8, 4)
        $sText = "Ownerdrawn Button" & @LF & "Line 2"
        $nTextColor = 0x5555DD
        $nBackColor = 0xFFEEDD
        DrawButton($hWnd, $hCtrl, $hDC, $nLeft, $nTop, $nRight, $nBottom, $nItemState, $sText, $nTextColor, $nBackColor)
        $stDrawItem = 0
        Return 1
    EndIf

    $stDrawItem = 0
    Return $GUI_RUNDEFMSG ; Proceed the default Autoit3 internal message commands
EndFunc   ;==>MY_WM_DRAWITEM


; The main drawing procedure
Func DrawButton($hWnd, $hCtrl, $hDC, $nLeft, $nTop, $nRight, $nBottom, $nItemState, $sText, $nTextColor, $nBackColor)
    ;Local $bDefault    = FALSE
    Local Const $GWL_STYLE = -16
    Local Const $ODS_SELECTED = 0x0001
    Local Const $ODS_GRAYED = 0x0002
    Local Const $ODS_DISABLED = 0x0004
    Local Const $ODS_CHECKED = 0x0008
    Local Const $ODS_FOCUS = 0x0010
    Local Const $ODS_HOTLIGHT = 0x0040
    Local Const $ODS_INACTIVE = 0x0080
    Local Const $ODS_NOACCEL = 0x0100
    Local Const $ODS_NOFOCUSRECT = 0x0200
    Local Const $DFC_BUTTON = 4
    Local Const $DFCS_BUTTONPUSH = 0x0010
    Local $bChecked = BitAND($nItemState, $ODS_CHECKED)
    Local $bFocused = BitAND($nItemState, $ODS_FOCUS)
    Local $bGrayed = BitAND($nItemState, BitOR($ODS_GRAYED, $ODS_DISABLED))
    Local $bSelected = BitAND($nItemState, $ODS_SELECTED)

    $stRect = DllStructCreate("int;int;int;int")
    DllStructSetData($stRect, 1, $nLeft)
    DllStructSetData($stRect, 2, $nTop)
    DllStructSetData($stRect, 3, $nRight)
    DllStructSetData($stRect, 4, $nBottom)

    If $bGrayed Then
        $nClrTxt = SetTextColor($hDC, GetSysColor($COLOR_HIGHLIGHTTEXT))
    ElseIf $nTextColor = -1 Then
        $nClrTxt = SetTextColor($hDC, GetSysColor($COLOR_BTNTEXT))
    Else
        $nClrTxt = SetTextColor($hDC, $nTextColor)
    EndIf

    If $nBackColor = -1 Then
        $hBrush = GetSysColorBrush($COLOR_BTNFACE)
        $nClrSel = GetSysColor($COLOR_BTNFACE)
    Else
        $hBrush = CreateSolidBrush($nBackColor)
        $nClrSel = $nBackColor;
    EndIf

    $nClrBk = SetBkColor($hDC, $nClrSel)
    $hOldBrush = SelectObject($hDC, $hBrush)

    $nTmpLeft = $nLeft
    $nTmpTop = $nTop
    $nTmpRight = $nRight
    $nTmpBottom = $nBottom

    If $bSelected Then
        InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -1, -1)
        $hBrushSel = CreateSolidBrush(GetSysColor($COLOR_BTNSHADOW))
        FrameRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, $hBrushSel)
        DeleteObject($hBrushSel)
    Else
        If $bFocused And Not $bSelected Then InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -1, -1)
        DrawFrameControl($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, $DFC_BUTTON, $DFCS_BUTTONPUSH)
    EndIf

    $nTmpLeft = $nLeft
    $nTmpTop = $nTop
    $nTmpRight = $nRight
    $nTmpBottom = $nBottom

    If $bSelected Then
        InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -2, -2)
    Else
        If $bFocused And Not $bSelected Then
            InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -3, -3)
            $nTmpLeft -= 1
            $nTmpTop -= 1
        Else
            InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -2, -2)
            $nTmpLeft -= 1
            $nTmpTop -= 1
        EndIf
    EndIf

    FillRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, $hBrush)

    If $bSelected Or $bGrayed Then
        $nTmpLeft = $nTmpLeft + 2
        $nTmpTop = $nTmpTop + 2
    EndIf

    $uFlags = BitOR($DT_NOCLIP, $DT_CENTER, $DT_VCENTER)

    If Not BitAND(GetWindowLong($hCtrl, $GWL_STYLE), $BS_MULTILINE) Then $uFlags = BitOR($uFlags, $DT_SINGLELINE)

    DrawText($hDC, $sText, $nTmpLeft, $nTmpTop+3, $nTmpRight, $nTmpBottom, $uFlags)

    If $bGrayed Then
        $nTmpLeft = $nLeft
        $nTmpTop = $nTop
        $nTmpRight = $nRight
        $nTmpBottom = $nBottom

        $nTmpLeft -= 1

        $nClrTxt = SetTextColor($hDC, GetSysColor($COLOR_GRAYTEXT))
        DrawText($hDC, $sText, $nTmpLeft, $nTmpTop+3, $nTmpRight, $nTmpBottom, BitOR($DT_NOCLIP, $DT_CENTER, $DT_VCENTER, $DT_SINGLELINE))
    EndIf

    $nTmpLeft = $nLeft
    $nTmpTop = $nTop
    $nTmpRight = $nRight
    $nTmpBottom = $nBottom

    If $bFocused Then
        $hBrush = CreateSolidBrush(0)
        FrameRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, $hBrush)

        $nTmpLeft = $nLeft
        $nTmpTop = $nTop
        $nTmpRight = $nRight
        $nTmpBottom = $nBottom

        InflateRect($nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom, -4, -4)
        DrawFocusRect($hDC, $nTmpLeft, $nTmpTop, $nTmpRight, $nTmpBottom)
    EndIf

    SelectObject($hDC, $hOldBrush)
    DeleteObject($hBrush)
    SetTextColor($hDC, $nClrTxt)
    SetBkColor($hDC, $nClrBk)

    Return 1
EndFunc   ;==>DrawButton


; Some graphic / windows functions
Func CreateSolidBrush($nColor)
    Local $hBrush = DllCall("gdi32.dll", "hwnd", "CreateSolidBrush", "int", $nColor)
    Return $hBrush[0]
EndFunc   ;==>CreateSolidBrush


Func GetSysColor($nIndex)
    Local $nColor = DllCall("user32.dll", "int", "GetSysColor", "int", $nIndex)
    Return $nColor[0]
EndFunc   ;==>GetSysColor


Func GetSysColorBrush($nIndex)
    Local $hBrush = DllCall("user32.dll", "hwnd", "GetSysColorBrush", "int", $nIndex)
    Return $hBrush[0]
EndFunc   ;==>GetSysColorBrush


Func DrawFrameControl($hDC, $nLeft, $nTop, $nRight, $nBottom, $nType, $nState)
    Local $stRect = DllStructCreate("int;int;int;int")

    DllStructSetData($stRect, 1, $nLeft)
    DllStructSetData($stRect, 2, $nTop)
    DllStructSetData($stRect, 3, $nRight)
    DllStructSetData($stRect, 4, $nBottom)

    DllCall("user32.dll", "int", "DrawFrameControl", "hwnd", $hDC, "ptr", DllStructGetPtr($stRect), "int", $nType, "int", $nState)

    $stRect = 0
EndFunc   ;==>DrawFrameControl


Func DrawFocusRect($hDC, $nLeft, $nTop, $nRight, $nBottom)
    Local $stRect = DllStructCreate("int;int;int;int")

    DllStructSetData($stRect, 1, $nLeft)
    DllStructSetData($stRect, 2, $nTop)
    DllStructSetData($stRect, 3, $nRight)
    DllStructSetData($stRect, 4, $nBottom)

    DllCall("user32.dll", "int", "DrawFocusRect", "hwnd", $hDC, "ptr", DllStructGetPtr($stRect))

    $stRect = 0
EndFunc   ;==>DrawFocusRect


Func DrawText($hDC, $sText, $nLeft, $nTop, $nRight, $nBottom, $nFormat)
    Local $nLen = StringLen($sText)

    Local $stRect = DllStructCreate("int;int;int;int")
    DllStructSetData($stRect, 1, $nLeft)
    DllStructSetData($stRect, 2, $nTop)
    DllStructSetData($stRect, 3, $nRight)
    DllStructSetData($stRect, 4, $nBottom)

    Local $stText = DllStructCreate("char[260]")
    DllStructSetData($stText, 1, $sText)

    DllCall("user32.dll", "int", "DrawText", "hwnd", $hDC, "ptr", DllStructGetPtr($stText), "int", $nLen, "ptr", DllStructGetPtr($stRect), "int", $nFormat)

    $stRect = 0
    $stText = 0
EndFunc   ;==>DrawText


Func FillRect($hDC, $nLeft, $nTop, $nRight, $nBottom, $hBrush)
    Local $stRect = DllStructCreate("int;int;int;int")

    DllStructSetData($stRect, 1, $nLeft)
    DllStructSetData($stRect, 2, $nTop)
    DllStructSetData($stRect, 3, $nRight)
    DllStructSetData($stRect, 4, $nBottom)

    DllCall("user32.dll", "int", "FillRect", "hwnd", $hDC, "ptr", DllStructGetPtr($stRect), "hwnd", $hBrush)

    $stRect = 0
EndFunc   ;==>FillRect


Func FrameRect($hDC, $nLeft, $nTop, $nRight, $nBottom, $hBrush)
    Local $stRect = DllStructCreate("int;int;int;int")

    DllStructSetData($stRect, 1, $nLeft)
    DllStructSetData($stRect, 2, $nTop)
    DllStructSetData($stRect, 3, $nRight)
    DllStructSetData($stRect, 4, $nBottom)

    DllCall("user32.dll", "int", "FrameRect", "hwnd", $hDC, "ptr", DllStructGetPtr($stRect), "hwnd", $hBrush)

    $stRect = 0
EndFunc   ;==>FrameRect


Func InflateRect(ByRef $nLeft, ByRef $nTop, ByRef $nRight, ByRef $nBottom, $nX, $nY)
    Local $stRect = DllStructCreate("int;int;int;int")

    DllStructSetData($stRect, 1, $nLeft)
    DllStructSetData($stRect, 2, $nTop)
    DllStructSetData($stRect, 3, $nRight)
    DllStructSetData($stRect, 4, $nBottom)

    DllCall("user32.dll", "int", "InflateRect", "ptr", DllStructGetPtr($stRect), "int", $nX, "int", $nY)

    $nLeft = DllStructGetData($stRect, 1)
    $nTop = DllStructGetData($stRect, 2)
    $nRight = DllStructGetData($stRect, 3)
    $nBottom = DllStructGetData($stRect, 4)

    $stRect = 0
EndFunc   ;==>InflateRect


Func SetBkColor($hDC, $nColor)
    Local $nOldColor = DllCall("gdi32.dll", "int", "SetBkColor", "hwnd", $hDC, "int", $nColor)
    Return $nOldColor[0]
EndFunc   ;==>SetBkColor


Func SetTextColor($hDC, $nColor)
    Local $nOldColor = DllCall("gdi32.dll", "int", "SetTextColor", "hwnd", $hDC, "int", $nColor)
    Return $nOldColor[0]
EndFunc   ;==>SetTextColor


Func SelectObject($hDC, $hObj)
    Local $hOldObj = DllCall("gdi32.dll", "hwnd", "SelectObject", "hwnd", $hDC, "hwnd", $hObj)
    Return $hOldObj[0]
EndFunc   ;==>SelectObject


Func DeleteObject($hObj)
    Local $nResult = DllCall("gdi32.dll", "hwnd", "DeleteObject", "hwnd", $hObj)
EndFunc   ;==>DeleteObject


Func GetWindowLong($hWnd, $nIndex)
    Local $nVal = DllCall("user32.dll", "int", "GetWindowLong", "hwnd", $hWnd, "int", $nIndex)
    Return $nVal[0]
EndFunc   ;==>GetWindowLong

 


Programming today is a race between software engineers striving to
build bigger and better idiot-proof programs, and the Universe
trying to produce bigger and better idiots.
So far, the Universe is winning.

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kcvinu

@funkey 

Thanks for your detailed reply. I am stumbled upon the fact that we cant change the back color without using OWNERDRAW style. Then how does the visual studio changes the control colors when we change the color from the property window ? And there is an OWNERDRAW style in visual studio which we dont need to enable for our button to work.  


My Contributions

UDF Link Viewer   --- A tool to visit the links of some most important UDFs 

 Includer_2  ----- A tool to type the #include statement automatically 

 Digits To Date  ----- date from 3 integer values

PrintList ----- prints arrays into console for testing.

 Alert  ------ An alternative for MsgBox 

 MousePosition ------- A simple tooltip display of mouse position

GRM Helper -------- A littile tool to help writing code with GUIRegisterMsg function

Access_UDF  -------- An UDF for working with access database files. (.*accdb only)

 

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Melba23

kcvinu,

AutoIt itself uses a "hack" to get the button colour to change using GUICtrlSetBkColor - which has lead to all sorts of problems as you can see from the final comment in this Trac ticket from a long time ago.

M23


Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind._______My UDFs:

Spoiler

ArrayMultiColSort ---- Sort arrays on multiple columns
ChooseFileFolder ---- Single and multiple selections from specified path treeview listing
Date_Time_Convert -- Easily convert date/time formats, including the language used
ExtMsgBox --------- A highly customisable replacement for MsgBox
GUIExtender -------- Extend and retract multiple sections within a GUI
GUIFrame ---------- Subdivide GUIs into many adjustable frames
GUIListViewEx ------- Insert, delete, move, drag, sort, edit and colour ListView items
GUITreeViewEx ------ Check/clear parent and child checkboxes in a TreeView
Marquee ----------- Scrolling tickertape GUIs
NoFocusLines ------- Remove the dotted focus lines from buttons, sliders, radios and checkboxes
Notify ------------- Small notifications on the edge of the display
Scrollbars ----------Automatically sized scrollbars with a single command
StringSize ---------- Automatically size controls to fit text
Toast -------------- Small GUIs which pop out of the notification area

 

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kcvinu

@Melba23 ,

Hi, i saw that. :sweating:


My Contributions

UDF Link Viewer   --- A tool to visit the links of some most important UDFs 

 Includer_2  ----- A tool to type the #include statement automatically 

 Digits To Date  ----- date from 3 integer values

PrintList ----- prints arrays into console for testing.

 Alert  ------ An alternative for MsgBox 

 MousePosition ------- A simple tooltip display of mouse position

GRM Helper -------- A littile tool to help writing code with GUIRegisterMsg function

Access_UDF  -------- An UDF for working with access database files. (.*accdb only)

 

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      Hello, 
      i have a Problem with  _WinAPI_SetLayeredWindowAttributes, everything is working as excepted if u are on Windows 7.

      But if u are on Windows 10 the transparent background of a control is not clickable anymore. 

      Could someone help?

      Please see example below, put cmd.jpg into the same folder as Example.au3

      Please see trigger.jpg to see which sections are not clickable in Windows 10 (the red dots, the green dots are clickable) on Windows 7 the red ones and green ones are clickable.
       
      The same problem occurs if i use 
       
       
      Example.au3


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