[iglezz]

Фон также можно задавать для каждой отдельной страницы

пример

Код:

!include WinMessages.nsh
RequestExecutionLevel user
InstallDir $TEMP

Page components "" cshow
Page directory "" dshow
Page instfiles "" ishow

!define /ifndef RDW_INVALIDATE 0x0001
!define /ifndef RDW_ERASE      0x0004

; define background color
!define BACKGROUNDCOLOR 0xFFFFFF

Section `Dummy Section`
    DetailPrint ...
SectionEnd


Function cshow
    ; repaint window
    SetCtlColors $HWNDPARENT '' ${BACKGROUNDCOLOR}

    ; repaint page
    FindWindow $1 "#32770" "" $HWNDPARENT
    SetCtlColors $1 '' ${BACKGROUNDCOLOR}
    
    ; repaint page controls
    GetDlgItem $0 $1 1031
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1006
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1017
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1021
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1022
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1023
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1032
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}

    System::Call "user32::RedrawWindow(i,i,i,i)i ($HWNDPARENT, 0, 0,${RDW_INVALIDATE}|${RDW_ERASE})"
FunctionEnd

Function dshow
    ; redefine page background
    !define /redef BACKGROUNDCOLOR 0x88ff88

    ; repaint window
    SetCtlColors $HWNDPARENT '' ${BACKGROUNDCOLOR}

    ; repaint page
    FindWindow $1 "#32770" "" $HWNDPARENT
    SetCtlColors $1 '' ${BACKGROUNDCOLOR}

    ; repaint page controls
    GetDlgItem $0 $1 1031
    SetCtlColors $0 '' ${BACKGROUNDCOLOR} 
    GetDlgItem $0 $1 1006
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1019
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1020
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1023
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1024
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}

    System::Call "user32::RedrawWindow(i,i,i,i)i ($HWNDPARENT, 0, 0,${RDW_INVALIDATE}|${RDW_ERASE})"
FunctionEnd

Function ishow
    ; redefine page background
    !define /redef BACKGROUNDCOLOR 0xabcdef

    ; repaint window
    SetCtlColors $HWNDPARENT '' ${BACKGROUNDCOLOR}

    ; repaint page
    FindWindow $1 "#32770" "" $HWNDPARENT
    SetCtlColors $1 '' ${BACKGROUNDCOLOR}

    ; repaint page controls
    GetDlgItem $0 $1 1031
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}
    GetDlgItem $0 $1 1006
    SetCtlColors $0 '' ${BACKGROUNDCOLOR}

    System::Call "user32::RedrawWindow(i,i,i,i)i ($HWNDPARENT, 0, 0,${RDW_INVALIDATE}|${RDW_ERASE})"
FunctionEnd


Function .onGUIInit
    ; set BrandingText${BACKGROUNDCOLOR} background
    GetDlgItem $0 $HWNDPARENT 1028
    SetCtlColors $0 '' transparent
FunctionEnd