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Can't change the background color of windows which are inside another window

API-level Unicode GUI Native apps in C++ for Windows/Linux/MacChanging window background colourCannot make DragAcceptFiles work when using a dialog boxWindows::toolbar::NM_CUSTOMDRAW. Changing toolbar background colorTransparent cursor shows wrong color in DelphiCan't change background of windowHow to change background color of comboboxWINapi. Can't erase background of window with ellipseChange window's background color with button using winapiChanging background color of QWidget inside another Widget

.everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty,.everyoneloves__bot-mid-leaderboard:empty margin-bottom:0;

0

1

I want to change the background color of a STATIC window, both - on load and change it on runtime. So far I have been able to change the color the following way:

 case WM_CTLCOLORSTATIC:
 
 HDC hdcStatic = (HDC)wParam;
 SetTextColor(hdcStatic, RGB(200, 200, 20));
 SetBkColor(hdcStatic, RGB(10, 10, 10));
 SetBkMode(hdcStatic, TRANSPARENT);
 return (INT_PTR)CreateSolidBrush(RGB(30, 30, 30));
 

Everything works fine and the background color gets changed, except for any STATIC windows, which are inside another static window:

HWND mainContainer = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 500, 500,
 hwnd,
 NULL,
 (HINSTANCE)GetWindowLong(hwnd, GWLP_HINSTANCE),
 NULL
);

HWND subItem = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "SubItem",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 100, 100,
 mainContainer,
 NULL,
 (HINSTANCE)GetWindowLong(mainContainer, GWLP_HINSTANCE),
 NULL
);

In this case the mainContainer color gets changed, but not the background color for subItem. Any ideas why this is happening? Thank you!

c++ winapi

share|improve this question

asked Mar 25 at 14:48

0x29a0x29a

1491010 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Since the outer static is not marked CLIPCHILDREN, it is allowed to draw on top of its children, which includes erasing the background to a different color. (Note also that returning a CreateSolidBrush is a memory leak since nobody destroys that brush.)
  
  – Raymond Chen
  Mar 25 at 14:58
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @RaymondChen thanks for the reply! My dwStyle has been set to "WS_TABSTOP | WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN" for the parentContainer, but still the same problem persists. Any more hints please? Thanks!
  
  – 0x29a
  Mar 25 at 15:08
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Remember that the WM_CTLCOLORSTATIC message it sent to the static control's parent. In this case, subitem will send it to mainContainer. Are you handling the message in mainContainer's window procedure?
  
  – Raymond Chen
  Mar 25 at 16:47
  

  
  
  
  

add a comment | 

0

1

I want to change the background color of a STATIC window, both - on load and change it on runtime. So far I have been able to change the color the following way:

 case WM_CTLCOLORSTATIC:
 
 HDC hdcStatic = (HDC)wParam;
 SetTextColor(hdcStatic, RGB(200, 200, 20));
 SetBkColor(hdcStatic, RGB(10, 10, 10));
 SetBkMode(hdcStatic, TRANSPARENT);
 return (INT_PTR)CreateSolidBrush(RGB(30, 30, 30));
 

Everything works fine and the background color gets changed, except for any STATIC windows, which are inside another static window:

HWND mainContainer = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 500, 500,
 hwnd,
 NULL,
 (HINSTANCE)GetWindowLong(hwnd, GWLP_HINSTANCE),
 NULL
);

HWND subItem = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "SubItem",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 100, 100,
 mainContainer,
 NULL,
 (HINSTANCE)GetWindowLong(mainContainer, GWLP_HINSTANCE),
 NULL
);

In this case the mainContainer color gets changed, but not the background color for subItem. Any ideas why this is happening? Thank you!

c++ winapi

share|improve this question

asked Mar 25 at 14:48

0x29a0x29a

1491010 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Since the outer static is not marked CLIPCHILDREN, it is allowed to draw on top of its children, which includes erasing the background to a different color. (Note also that returning a CreateSolidBrush is a memory leak since nobody destroys that brush.)
  
  – Raymond Chen
  Mar 25 at 14:58
  
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  @RaymondChen thanks for the reply! My dwStyle has been set to "WS_TABSTOP | WS_VISIBLE | WS_CHILD | WS_CLIPCHILDREN" for the parentContainer, but still the same problem persists. Any more hints please? Thanks!
  
  – 0x29a
  Mar 25 at 15:08
  

  
  
  
  


• 
  
  
  

  
  2
  

  
  
  
  
  
  

  
  
  Remember that the WM_CTLCOLORSTATIC message it sent to the static control's parent. In this case, subitem will send it to mainContainer. Are you handling the message in mainContainer's window procedure?
  
  – Raymond Chen
  Mar 25 at 16:47
  

  
  
  
  

add a comment | 

I want to change the background color of a STATIC window, both - on load and change it on runtime. So far I have been able to change the color the following way:

 case WM_CTLCOLORSTATIC:
 
 HDC hdcStatic = (HDC)wParam;
 SetTextColor(hdcStatic, RGB(200, 200, 20));
 SetBkColor(hdcStatic, RGB(10, 10, 10));
 SetBkMode(hdcStatic, TRANSPARENT);
 return (INT_PTR)CreateSolidBrush(RGB(30, 30, 30));
 

Everything works fine and the background color gets changed, except for any STATIC windows, which are inside another static window:

HWND mainContainer = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 500, 500,
 hwnd,
 NULL,
 (HINSTANCE)GetWindowLong(hwnd, GWLP_HINSTANCE),
 NULL
);

HWND subItem = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "SubItem",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 100, 100,
 mainContainer,
 NULL,
 (HINSTANCE)GetWindowLong(mainContainer, GWLP_HINSTANCE),
 NULL
);

In this case the mainContainer color gets changed, but not the background color for subItem. Any ideas why this is happening? Thank you!

c++ winapi

share|improve this question

asked Mar 25 at 14:48

0x29a0x29a

1491010 bronze badges

 case WM_CTLCOLORSTATIC:
 
 HDC hdcStatic = (HDC)wParam;
 SetTextColor(hdcStatic, RGB(200, 200, 20));
 SetBkColor(hdcStatic, RGB(10, 10, 10));
 SetBkMode(hdcStatic, TRANSPARENT);
 return (INT_PTR)CreateSolidBrush(RGB(30, 30, 30));
 

HWND mainContainer = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 500, 500,
 hwnd,
 NULL,
 (HINSTANCE)GetWindowLong(hwnd, GWLP_HINSTANCE),
 NULL
);

HWND subItem = CreateWindowEx
(
 0,
 _TEXT("STATIC"),
 "SubItem",
 WS_TABSTOP | WS_VISIBLE | WS_CHILD | BS_SOLID,
 10, 10, 100, 100,
 mainContainer,
 NULL,
 (HINSTANCE)GetWindowLong(mainContainer, GWLP_HINSTANCE),
 NULL
);

share|improve this question

asked Mar 25 at 14:48

0x29a0x29a

1491010 bronze badges

share|improve this question

asked Mar 25 at 14:48

0x29a0x29a

1491010 bronze badges

asked Mar 25 at 14:48

0x29a0x29a

1491010 bronze badges

asked Mar 25 at 14:48

0x29a0x29a

1491010 bronze badges

1 Answer
1

active

oldest

votes

1

The message WM_CTLCOLORSTATIC will be sent only to the parent window, but not parent's parent window.

According to About Static Controls :

The window procedure for the predefined static control window class
performs default processing for all messages that the static control
procedure does not process.

The WM_CTLCOLORSTATIC is not in the list that it process. So The predefined window procedure will passes the message to DefWindowProc for default processing.

(We really don't often put a static window inside another static window. This is not a common operation. So you should reset the parent window of subItem to hwnd.)

share|improve this answer

answered Mar 26 at 8:16

Drake Wu - MSFTDrake Wu - MSFT

1,72511 gold badge22 silver badges1010 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks for the reply! Could you please tell me if I wanted to add scrollbar to the container, should I simply use scrollbar control without any container and handle the "cropping" manually? Thanks!
  
  – 0x29a
  Mar 26 at 9:11
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Add the WS_VSCROLL | WS_HSCROLL to dwStyle?
  
  – Drake Wu - MSFT
  Mar 26 at 14:23
  

  
  
  
  

add a comment | 

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1

The message WM_CTLCOLORSTATIC will be sent only to the parent window, but not parent's parent window.

According to About Static Controls :

The window procedure for the predefined static control window class
performs default processing for all messages that the static control
procedure does not process.

The WM_CTLCOLORSTATIC is not in the list that it process. So The predefined window procedure will passes the message to DefWindowProc for default processing.

(We really don't often put a static window inside another static window. This is not a common operation. So you should reset the parent window of subItem to hwnd.)

share|improve this answer

answered Mar 26 at 8:16

Drake Wu - MSFTDrake Wu - MSFT

1,72511 gold badge22 silver badges1010 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks for the reply! Could you please tell me if I wanted to add scrollbar to the container, should I simply use scrollbar control without any container and handle the "cropping" manually? Thanks!
  
  – 0x29a
  Mar 26 at 9:11
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Add the WS_VSCROLL | WS_HSCROLL to dwStyle?
  
  – Drake Wu - MSFT
  Mar 26 at 14:23
  

  
  
  
  

add a comment | 

1

The message WM_CTLCOLORSTATIC will be sent only to the parent window, but not parent's parent window.

According to About Static Controls :

The window procedure for the predefined static control window class
performs default processing for all messages that the static control
procedure does not process.

The WM_CTLCOLORSTATIC is not in the list that it process. So The predefined window procedure will passes the message to DefWindowProc for default processing.

(We really don't often put a static window inside another static window. This is not a common operation. So you should reset the parent window of subItem to hwnd.)

share|improve this answer

answered Mar 26 at 8:16

Drake Wu - MSFTDrake Wu - MSFT

1,72511 gold badge22 silver badges1010 bronze badges

• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Thanks for the reply! Could you please tell me if I wanted to add scrollbar to the container, should I simply use scrollbar control without any container and handle the "cropping" manually? Thanks!
  
  – 0x29a
  Mar 26 at 9:11
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  
  Add the WS_VSCROLL | WS_HSCROLL to dwStyle?
  
  – Drake Wu - MSFT
  Mar 26 at 14:23
  

  
  
  
  

add a comment | 

The message WM_CTLCOLORSTATIC will be sent only to the parent window, but not parent's parent window.

According to About Static Controls :

The window procedure for the predefined static control window class
performs default processing for all messages that the static control
procedure does not process.

The WM_CTLCOLORSTATIC is not in the list that it process. So The predefined window procedure will passes the message to DefWindowProc for default processing.

(We really don't often put a static window inside another static window. This is not a common operation. So you should reset the parent window of subItem to hwnd.)

share|improve this answer

answered Mar 26 at 8:16

Drake Wu - MSFTDrake Wu - MSFT

1,72511 gold badge22 silver badges1010 bronze badges

share|improve this answer

answered Mar 26 at 8:16

Drake Wu - MSFTDrake Wu - MSFT

1,72511 gold badge22 silver badges1010 bronze badges

answered Mar 26 at 8:16

Drake Wu - MSFTDrake Wu - MSFT

1,72511 gold badge22 silver badges1010 bronze badges

answered Mar 26 at 8:16

Drake Wu - MSFTDrake Wu - MSFT

1,72511 gold badge22 silver badges1010 bronze badges