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編輯：我找到了解決辦法見製作MUI2歡迎頁面標籤具有透明背景
我試圖使MUI2歡迎頁面文本有一個透明背景下的文本。
我可以讓文本具有MUI1的透明背景，但不適用於MUI2（標籤窗口保留其白色背景）。 你也會建議我只使用MUI1或MUI2好得多使用？
你能幫我讓標籤具有MUI2歡迎頁面的透明背景嗎？
相關代碼（請參見下面的所有，你可以編譯成看到錯誤代碼）：
!define MUI_PAGE_CUSTOMFUNCTION_SHOW WelcomePageShow
!insertmacro MUI_PAGE_WELCOME
Function WelcomePageShow
# Why does the following code make the labels background transparent in MUI
# but NOT in MUI2???
# What do I need to do to make it transparent in MUI2??
; Set transparent backgrounds.
SetCtlColors $MUI_HWND 0xFFFFFF transparent
!insertmacro SetTransparent $MUI_HWND 1201 # These aren't transparent in MUI2
!insertmacro SetTransparent $MUI_HWND 1202 # These aren't transparent in MUI2
# Make main white background a different colour
GetDlgItem $R0 ${MUI_HWND} 1044
SetCtlColors $R0 0x444444 0xff0000 # The background colour doesn't change in MUI2
# Make smaller white background a different colour
GetDlgItem $R0 ${MUI_HWND} 1018
SetCtlColors $R0 0x444444 0x00ff00 # The background colour doesn't change in MUI2
Call RefreshParentControls
FunctionEnd
全部代碼：
!include MUI2.nsh # change this to !include MUI.nsh to see how the code works successfully for MUI1
!include WinMessages.nsh
!include "LogicLib.nsh"
; Local bitmap path.
!define BITMAP_FILE test2.bmp
; --------------------------------------------------------------------------------------------------
; Installer Settings
; --------------------------------------------------------------------------------------------------
Name "Background Bitmap"
OutFile "bgbitmap.exe"
ShowInstDetails show
; --------------------------------------------------------------------------------------------------
; Modern UI Settings
; --------------------------------------------------------------------------------------------------
!define MUI_COMPONENTSPAGE_NODESC
!define MUI_FINISHPAGE_NOAUTOCLOSE
!define MUI_CUSTOMFUNCTION_GUIINIT MyGUIInit
; --------------------------------------------------------------------------------------------------
; Definitions
; --------------------------------------------------------------------------------------------------
!ifndef LR_LOADFROMFILE
!define LR_LOADFROMFILE 0x0010
!endif
!ifndef LR_CREATEDIBSECTION
!define LR_CREATEDIBSECTION 0x2000
!endif
!ifndef IMAGE_BITMAP
!define IMAGE_BITMAP 0
!endif
!ifndef SS_BITMAP
!define SS_BITMAP 0x0000000E
!endif
!ifndef WS_CHILD
!define WS_CHILD 0x40000000
!endif
!ifndef WS_VISIBLE
!define WS_VISIBLE 0x10000000
!endif
!define HWND_TOP 0
!define SWP_NOSIZE 0x0001
!define SWP_NOMOVE 0x0002
!define IDC_BITMAP 1500
!define stRECT "(i, i, i, i) i"
Var hBitmap
; --------------------------------------------------------------------------------------------------
; Pages
; --------------------------------------------------------------------------------------------------
!define MUI_PAGE_CUSTOMFUNCTION_SHOW WelcomePageShow
!insertmacro MUI_PAGE_WELCOME
!insertmacro MUI_LANGUAGE English
; --------------------------------------------------------------------------------------------------
; Macros
; --------------------------------------------------------------------------------------------------
; Destroy a window.
!macro DestroyWindow HWND IDC
GetDlgItem $R0 ${HWND} ${IDC}
System::Call `user32::DestroyWindow(i R0)`
!macroend
; Give window transparent background.
!macro SetTransparent HWND IDC
GetDlgItem $R0 ${HWND} ${IDC}
SetCtlColors $R0 0x444444 transparent
!macroend
; Refresh window.
!macro RefreshWindow HWND IDC
GetDlgItem $R0 ${HWND} ${IDC}
ShowWindow $R0 ${SW_HIDE}
ShowWindow $R0 ${SW_SHOW}
!macroend
; --------------------------------------------------------------------------------------------------
; Functions
; --------------------------------------------------------------------------------------------------
Function MyGUIInit
; Extract bitmap image.
InitPluginsDir
ReserveFile `${BITMAP_FILE}`
File `/ONAME=$PLUGINSDIR\bg.bmp` `${BITMAP_FILE}`
; Get the size of the window.
System::Call `*${stRECT} .R0`
System::Call `user32::GetClientRect(i $HWNDPARENT, i R0)`
System::Call `*$R0${stRECT} (, , .R1, .R2)`
System::Free $R0
; Create bitmap control.
System::Call `kernel32::GetModuleHandle(i 0) i.R3`
System::Call `user32::CreateWindowEx(i 0, t "STATIC", t "", i ${SS_BITMAP}|${WS_CHILD}|${WS_VISIBLE}, i 0, i 0, i R1, i R2, i $HWNDPARENT, i ${IDC_BITMAP}, i R3, i 0) i.R1`
System::Call `user32::SetWindowPos(i R1, i ${HWND_TOP}, i 0, i 0, i 0, i 0, i ${SWP_NOSIZE}|${SWP_NOMOVE})`
; Set the bitmap.
System::Call `user32::LoadImage(i 0, t "$PLUGINSDIR\bg.bmp", i ${IMAGE_BITMAP}, i 0, i 0, i ${LR_CREATEDIBSECTION}|${LR_LOADFROMFILE}) i.s`
Pop $hBitmap
SendMessage $R1 ${STM_SETIMAGE} ${IMAGE_BITMAP} $hBitmap
; Set transparent backgrounds.
!insertmacro SetTransparent $HWNDPARENT 3
!insertmacro SetTransparent $HWNDPARENT 1
!insertmacro SetTransparent $HWNDPARENT 2
!insertmacro SetTransparent $HWNDPARENT 1034
!insertmacro SetTransparent $HWNDPARENT 1037
!insertmacro SetTransparent $HWNDPARENT 1038
; Remove unwanted controls.
!insertmacro DestroyWindow $HWNDPARENT 1256
!insertmacro DestroyWindow $HWNDPARENT 1028
!insertmacro DestroyWindow $HWNDPARENT 1039
FunctionEnd
Function RefreshParentControls
!insertmacro RefreshWindow $HWNDPARENT 1037
!insertmacro RefreshWindow $HWNDPARENT 1038
FunctionEnd
Function WelcomePageShow
# Why does the following code make the labels background transparent in MUI
# but NOT in MUI2???
# What do I need to do to make it transparent in MUI2??
; Set transparent backgrounds.
SetCtlColors $MUI_HWND 0xFFFFFF transparent
!insertmacro SetTransparent $MUI_HWND 1201 # These aren't transparent in MUI2
!insertmacro SetTransparent $MUI_HWND 1202 # These aren't transparent in MUI2
# Make main white background a different colour
GetDlgItem $R0 ${MUI_HWND} 1044
SetCtlColors $R0 0x444444 0xff0000 # The background colour doesn't change in MUI2
# Make smaller white background a different colour
GetDlgItem $R0 ${MUI_HWND} 1018
SetCtlColors $R0 0x444444 0x00ff00 # The background colour doesn't change in MUI2
Call RefreshParentControls
FunctionEnd
; Free loaded resources.
Function .onGUIEnd
; Destroy the bitmap.
System::Call `gdi32::DeleteObject(i s)` $hBitmap
FunctionEnd
; --------------------------------------------------------------------------------------------------
; Dummy section
; --------------------------------------------------------------------------------------------------
Section "Dummy Section"
SectionEnd
解決方案：
Function WelcomePageShow
# Sets background image
System::Call `user32::LoadImage(i 0, t "$PLUGINSDIR\wb.bmp", i ${IMAGE_BITMAP}, i 0, i 0, i ${LR_CREATEDIBSECTION}|${LR_LOADFROMFILE}) i.s`
Pop $hBitmap
SendMessage $bitmapWindow ${STM_SETIMAGE} ${IMAGE_BITMAP} $hBitmap
# Start solution
SetCtlColors $mui.WelcomePage ${CTRL_COLOUR} transparent
SetCtlColors $mui.WelcomePage.text ${CTRL_COLOUR} transparent
SetCtlColors $mui.WelcomePage.title 0x333333 transparent
!insertmacro DestroyWindow $HWNDPARENT 1037
!insertmacro DestroyWindow $HWNDPARENT 1038
!insertmacro DestroyWindow $HWNDPARENT 1036
System::Call `user32::DestroyWindow(i $mui.WelcomePage.Image)`
Call RefreshParentControls
FunctionEnd
您應該已將解決方案作爲答案發布，並自行選擇。因此它不會被列爲未答覆的問題。 – Seki