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Need help with image on button

3 posts in this topic

Hey,

Let me explain my problem:

I have 3 buttons.

First one is empty button that will have a bitmap image on it.

Second button creates image on the first button from file.

Last button needs to delete the image on the first button when I click the last button, so the first button should become empty as it was when I created it.

I need help with the code of last button.

My example script:

#include <GUIConstants.au3>
#include <ButtonConstants.au3>

#Region ### START Koda GUI section ### Form=
$test = GUICreate("Test", 263, 121, 357, 220)
$PicButton = GUICtrlCreateButton("", 24, 24, 73, 57, $BS_BITMAP)
$DeletePic = GUICtrlCreateButton("Delete 1st button's image", 160, 8, 65, 49, $BS_MULTILINE)
$CreatePic = GUICtrlCreateButton("Create image", 160, 72, 73, 33, 0)
GUISetState(@SW_SHOW)
#EndRegion ### END Koda GUI section ###

While 1
    $nMsg = GUIGetMsg()
    Switch $nMsg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $CreatePic
            GUICtrlSetImage($PicButton, "C:\Pic.bmp", 0) ;This button creates image on the "$PicButton"

        Case $DeletePic
            ; I need a code that deletes the bitmap image on the "$PicButton" when I click this button.
    EndSwitch
WEnd

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#2 ·  Posted (edited)

Quick Search and I got this >Example.

Example use of Function:

#AutoIt3Wrapper_Au3Check_Parameters=-d -w 1 -w 2 -w 3 -w- 4 -w 5 -w 6 -w 7

#include <GUIConstants.au3>
#include <WinAPI.au3>
#include <WinAPIRes.au3>

Example()

Func Example()
    Local $hGUI = GUICreate('GUICtrlDeleteImage()', 250, 250)
    Local $iImage = GUICtrlCreateIcon(@AutoItExe, 0, 5, 5, 32, 32)
    Local $iDelete = GUICtrlCreateButton('Delete', 160, 5, 85, 25)
    GUISetState(@SW_SHOW, $hGUI)

    While 1
        Switch GUIGetMsg()
            Case $GUI_EVENT_CLOSE
                ExitLoop

            Case $iDelete
                GUICtrlDeleteImage($iImage)

        EndSwitch
    WEnd

    GUIDelete($hGUI)
EndFunc   ;==>Example

; #FUNCTION# ====================================================================================================================
; Name ..........: GUICtrlDeleteImage
; Description ...: Delete an image set by GUICtrlSetImage().
; Syntax ........: GUICtrlDeleteImage($iCtrlID)
; Parameters ....: $iCtrlID             - A valid controlid.
; Return values .: Success - True
;                  Failure - False
; Author ........: guinness
; Example .......: Yes
; ===============================================================================================================================
Func GUICtrlDeleteImage($iCtrlID)
    Local Const $STM_SETIMAGE = 0x0172
    Local $aSetImage = 0, _
            $bReturn = True, _
            $iMsg = 0
    Switch _WinAPI_GetClassName($iCtrlID)
        Case 'Button' ; button, checkbox, groupbox, radiobutton.
            Local $aButton = [$IMAGE_BITMAP, $IMAGE_ICON]
            $aSetImage = $aButton
            $aButton = 0
            $iMsg = $BM_SETIMAGE

        Case 'Static' ; icon, label, picture.
            Local $aStatic = [$IMAGE_BITMAP, $IMAGE_CURSOR, $IMAGE_ICON]
            $aSetImage = $aStatic
            $aStatic = 0
            $iMsg = $STM_SETIMAGE

        Case Else
            $bReturn = False

    EndSwitch
    If $bReturn Then
        $bReturn = False
        Local $hImage = 0
        For $i = 0 To UBound($aSetImage) - 1
            $hImage = GUICtrlSendMsg($iCtrlID, $iMsg, $aSetImage[$i], 0)
            If $hImage <> 0 Then
                Switch $aSetImage[$i]
                    Case $IMAGE_BITMAP
                        $bReturn = _WinAPI_DeleteObject($hImage)
                    Case $IMAGE_CURSOR
                        $bReturn = _WinAPI_DeleteObject($hImage)
                        If Not $bReturn Then
                            $bReturn = _WinAPI_DestroyCursor($hImage) > 0
                        EndIf
                    Case $IMAGE_ICON
                        $bReturn = _WinAPI_DeleteObject($hImage)
                        If Not $bReturn Then
                            $bReturn = _WinAPI_DestroyIcon($hImage) > 0
                        EndIf
                EndSwitch
                ExitLoop
            EndIf
        Next
        If Not $bReturn Then
            $bReturn = GUICtrlSetImage($iCtrlID, 'shell32.dll', -50) > 0 ; Super hacky!
        EndIf
    EndIf
    Return $bReturn
EndFunc   ;==>GUICtrlDeleteImage
Edited by guinness

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Updated: 04/09/2015

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Thank you very much :)

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