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ListBox Text Color

 
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iPromise
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PostPosted: Sat Feb 06, 2010 11:34 am    Post subject: ListBox Text Color Reply with quote
So, i'm coding this in a dll and I can't add window forms so I use CreateWindowEx as my alternative. I have everything down and everything works fine but I wan't to change my listboxes text color, so I try this:

Code:

HDC DC = GetDC(ListBox1);
SetTextColor(DC, RGB(255, 0, 0));


Didn't work.

Code:

PAINTSTRUCT ps;
HDC DC = BeginPaint(ListBox1, &ps);
SetTextColor(DC, RGB(255, 0, 0));
EndPaint(ListBox1, &ps);


Didn't work.

Tried doing some research but nothing, so what do I do?
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NINTENDO
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PostPosted: Sat Feb 06, 2010 5:38 pm    Post subject: Reply with quote
Do you mean the color of a spesific listitem? or just the background color of the list itself?
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AtheistCrusader
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PostPosted: Sat Feb 06, 2010 8:41 pm    Post subject: Reply with quote
SetBgColor()
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iPromise
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PostPosted: Sat Feb 06, 2010 10:20 pm    Post subject: Reply with quote
@JesusLovesQlimax

Specific listitem, i'm thinking change the default item color to my color then back.

I'm trying to determine static addresses as green, and others are black.

@Vision

That doesn't work.
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Slugsnack
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PostPosted: Sun Feb 07, 2010 11:18 am    Post subject: Reply with quote
WM_CTLCOLORLISTBOX
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iPromise
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PostPosted: Sun Feb 07, 2010 12:51 pm    Post subject: Reply with quote
Hmm?

Code:

case WM_CTLCOLORLISTBOX:
               {
                  HDC DC = GetDC(ListBox1);
                  SetBkColor(DC, RGB(0, 255, 0));
                  break;
               }
               break;


EDIT

nvm got it

Code:

case WM_CTLCOLORLISTBOX:
               {
                  HDC DC = (HDC) wParam;
                  SetDCPenColor(DC, RGB(0, 255, 0));
                  return (BOOL) GetStockObject(DC_BRUSH);
               }
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Slugsnack
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PostPosted: Sun Feb 07, 2010 5:45 pm    Post subject: Reply with quote
if that is your only use of the dc, there is no need to declare it. just typecast the wparam within your stedcpencolor
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iPromise
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PostPosted: Sun Feb 07, 2010 10:39 pm    Post subject: Reply with quote
question

can I instead of putting it in a case send a message?

Code:

// Get & Set DC
HDC DC = GetDC(ListBox1);
SetDCPenColor(DC, RGB(0, 255, 0));

// Get ListBox1 Handle
DWORD ProcId;
HANDLE LB;

GetWindowThreadProcessId(ListBox1, &ProcId);
LB = OpenProcess(PROCESS_ALL_ACCESS, false, ProcID);

// Send Message
SendMessage(ListBox1, WH_CTLCOLORLISTBOX, (WPARAM) DC, (LPARAM) LB);


Because I wan't to change the pen color at any time w/o a case because while im scanning for addresses, for each static address, I change the color but for regular addresses, I change it back?
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Slugsnack
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PostPosted: Mon Feb 08, 2010 6:41 am    Post subject: Reply with quote
iPromise wrote:
question

can I instead of putting it in a case send a message?

Code:

// Get & Set DC
HDC DC = GetDC(ListBox1);
SetDCPenColor(DC, RGB(0, 255, 0));

// Get ListBox1 Handle
DWORD ProcId;
HANDLE LB;

GetWindowThreadProcessId(ListBox1, &ProcId);
LB = OpenProcess(PROCESS_ALL_ACCESS, false, ProcID);

// Send Message
SendMessage(ListBox1, WH_CTLCOLORLISTBOX, (WPARAM) DC, (LPARAM) LB);


Because I wan't to change the pen color at any time w/o a case because while im scanning for addresses, for each static address, I change the color but for regular addresses, I change it back?

what the heck are you doing with lparam there.... ?
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AtheistCrusader
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PostPosted: Mon Feb 08, 2010 7:14 am    Post subject: Reply with quote
http://msdn.microsoft.com/en-us/library/bb761360%28VS.85%29.aspx

wParam
Handle to the device context for the list box.
lParam
Handle to the list box.

(WPARAM)DC
(LPARAM)HWND
...
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Anden100
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PostPosted: Mon Feb 08, 2010 9:27 am    Post subject: Reply with quote
@iPromise http://msdn.microsoft.com/en-us/library/bb761360: "WM_CTLCOLORLISTBOX Notification
Sent to the parent window of a list box before the system draws the list box. By responding to this message, the parent window can set the text and background colors of the list box by using the specified display device context handle."

A notification, not a message, you can't send it, only handle it, and then read _visiON_'s post, and make SURE that you know the difference between a Handle to a process and a Handle to a window!, if you don't, you got some serious studying to do before you continue your Memory "Engine"!, no wonder it doesen't work...
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iPromise
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PostPosted: Mon Feb 08, 2010 5:37 pm    Post subject: Reply with quote
EDIT

I found the answer, thanks.
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NINTENDO
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PostPosted: Tue Feb 09, 2010 7:43 am    Post subject: Reply with quote
iPromise wrote:
EDIT

I found the answer, thanks.

sharing is careing.
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iPromise
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PostPosted: Tue Feb 09, 2010 8:26 pm    Post subject: Reply with quote
Code:

case WM_CTLCOLORLISTBOX:
{
if (static_address == 1)
{
SetTextColor((HDC) wParam, RGB(0, 255, 0));
}

if (dynamic_address == 1)
{
SetTextColor((HDC) wParam, RGB(0, 0, 0));
}

return (BOOL) GetStockObject(DC_TEXT);

break;
}


thats my code.
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