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Then I would use a splitter to make 2 or 3 different views, in one of them you have the "before" bitmap, in another one you have the "after" bitmap and in the third (or just together with the first) the controls to change the colours. Two different arrays, two different dc's, two different bitmaps...
Is that what you mean?
Greetings.
--------
M.D.V. 
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
“The First Rule of Program Optimization: Don't do it. The Second Rule of Program Optimization (for experts only!): Don't do it yet.” - Michael A. Jackson
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bitmap images 
If you meant a Windows DDB bitmap (HBITMAP), then you could use a DIBSection.
A DIBSection gives you all the features of a device independent bitmap (DIB) through
a HBITMAP, along with a pointer to the pixel data bits, which you can work with directly.
Here's an example with a grayscale color table:
LONG lImageWidth = 640;
LONG lImageHeight = 480;
WORD wBitsPerPixel = 8;
LONG lBytesPerRow = (((lImageWidth * (long)wBitsPerPixel + 31L) & (~31L)) / 8L);
BITMAPINFO *bm = (BITMAPINFO *)new BYTE[sizeof(BITMAPINFO) + 255 * sizeof(RGBQUAD)];
bm->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bm->bmiHeader.biWidth = lImageWidth;
bm->bmiHeader.biHeight = lImageHeight;
bm->bmiHeader.biPlanes = 1;
bm->bmiHeader.biBitCount = wBitsPerPixel;
bm->bmiHeader.biCompression = BI_RGB;
bm->bmiHeader.biSizeImage = 0;
bm->bmiHeader.biXPelsPerMeter = 0;
bm->bmiHeader.biYPelsPerMeter = 0;
bm->bmiHeader.biClrUsed = 0;
bm->bmiHeader.biClrImportant = 0;
for (int color_index = 0; color_index < 256; color_index++)
{
bm->bmiColors[color_index].rgbBlue = color_index;
bm->bmiColors[color_index].rgbGreen = color_index;
bm->bmiColors[color_index].rgbRed = color_index;
bm->bmiColors[color_index].rgbReserved = 0;
}
BYTE *pBitmapBits;
HBITMAP hBitmap = ::CreateDIBSection(NULL, bm, DIB_RGB_COLORS, (void**)&pBitmapBits, NULL, 0);
if (hBitmap)
{
::DeleteObject(hBitmap);
}
delete[] (BYTE *)bm;
Mark
Mark Salsbery
Microsoft MVP - Visual C++
![Java | [Coffee]](https://www.codeproject.com/script/Forums/Images/coffee.gif)
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hi,
i have a code in win32 platform in Vc8 using gmtime to convert localtime to UTC time. but when i was converting the VC8 code to Win Mobile it gives some error. i have tried the localtime to filetime and also it gives a wrong answer.
thanks in advance
Mohanraj D
RAJA
modified on Tuesday, May 6, 2008 7:12 AM
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Hi Mohanraj,
you can try this "TzSpecificLocalTimeToSystemTime" API function, but I'm not sure if available in WM5. 
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but i want to change from system time to file time, which is then converted to UTC Time. the answer does'nt help me.
thanks,
Mohanraj D
RAJA
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Mohanraj D wrote: but when i was converting the VC8 code to Win Mobile it gives some error.
It should give you a linking error. Because, gmtime, simply isn't available on Windows Mobile. You might want to try what is suggested by our friend, Raj Kumar.
A 'C' question asked in the Visual C++ forum:
Title: please stomuch me
if i have
string s[7];
s[1]="hello"
...
s[7]="how are you"
can i trace s[1] by loop and select specified item as example i, want to select e from s[1]="hello"..... the question is : this process possible or impossible!? I hope help me.......thanks - sofia_111
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No. You missed the stomuch me part. It's a C question therefore.
A 'C++' question asked in the Visual C++ forum:
Title: please stomuch me
if i have
string s[7];
s[1]="hello"
...
s[7]="how are you"
can i trace s[1] by loop and select specified item as example i, want to select e from s[1]="hello"..... the question is : this process possible or impossible!? I hope help me.......thanks - sofia_111
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Hi,
I opened a file that is in Compress Drive (NTFS). But if I overwrite this file then file system allocates different cluster to it and the original data is on actual cluster that were originally allocated to it.
How could I overwrite the file?
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why do you need this raw level access ?
the OS already handles this by itself, so why do you bother ?
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Will FlushFileBuffers() be of any help to you?
Nobody can give you wiser advice than yourself. - Cicero
.·´¯`·->Rajesh<-·´¯`·.
Codeproject.com: Visual C++ MVP
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from the previous post it seems you want permanent unrecoverable file delete, i think you must be interested in [How Sysinternals' sdelete works^]
it says
"To handle these (Compressed, encrypted and sparse) types of files SDelete relies on the defragmentation API[^]. Using the defragmentation API, SDelete can determine precisely which clusters on a disk are occupied by data belonging to compressed, sparse and encrypted files. Once SDelete knows which clusters contain the file's data, it can open the disk for raw access and overwrite those clusters."
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Hello,
I am trying to 'SendMessage' thru a DLL, can i do this?
i Have written following code in DLLMain
===================================================================
AppLog *app = new AppLog;
if(!app)
return TRUE;
wcscpy(app->strAppName,strTemp);
COPYDATASTRUCT cpd;
cpd.cbData = sizeof(AppLog);
cpd.dwData = 0;
cpd.lpData = (PVOID)app;
MessageBox(NULL,app->strAppName , L"Copied exe Name", 0);
BOOL bRet = SendMessage(hCompactEngine, WM_COPYDATA, (WPARAM)1, (LPARAM)&app);
DWORD dwret = GetLastError();
===================================================================
Here dwret = 120 (This function is not supported on this system.)
Can anybody help me with this. Am i missing anything.
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tony_udz wrote: BOOL bRet = SendMessage(hCompactEngine, WM_COPYDATA, (WPARAM)1, (LPARAM)&app);
app, but you want to send cpd right?
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Hello, I have an application in VC++6.0 that create a .DOC file for Word2007.
When I inserting text and image (.bmp) in file .DOC I need retrieve current row. How I can do it?
Someone can help me with link or sample code in VC++?
Thanks
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Check which font you are using for the text. Calculate how many letters can this font fit into a line (test and error). Count how many letters and line-ends do you have.
Get the rectangle of the bitmap, get how high it is, calculate how many lines can be ocuped with that high.
Add all together.
Greetings.
--------
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
“The First Rule of Program Optimization: Don't do it. The Second Rule of Program Optimization (for experts only!): Don't do it yet.” - Michael A. Jackson
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A method more immediate there isn't?
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AFAIK... no. You can check the web, but I don't know anyone.
Greetings.
--------
M.D.V.
If something has a solution... Why do we have to worry about?. If it has no solution... For what reason do we have to worry about?
Help me to understand what I'm saying, and I'll explain it better to you
“The First Rule of Program Optimization: Don't do it. The Second Rule of Program Optimization (for experts only!): Don't do it yet.” - Michael A. Jackson
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Hello sir,
i have a problem could you please solve it.
i have to connect Microsoft access to c programming language. any c book dosnt provide this topic.
i want source code.
thank you sir.
yogesh
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It is urgent or not?
Nobody can give you wiser advice than yourself. - Cicero
.·´¯`·->Rajesh<-·´¯`·.
Codeproject.com: Visual C++ MVP
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yogesh_softworld123 wrote: could you please solve it
US to solve YOUR problem ?
yogesh_softworld123 wrote: i want source code
you're not in a position to require source code, knowing that we generally don't give source code to someone that impolite.
have you only searched the web/google/codeproject first before asking the forum ?
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yogesh_softworld123 wrote: i have to connect Microsoft access to c programming language.
Probably you need the opposite.
There are a lot of articles at CP about databases [^], you may choose a technology (for instance ODBC) and have a look to related articles.
If the Lord God Almighty had consulted me before embarking upon the Creation, I would have recommended something simpler.
-- Alfonso the Wise, 13th Century King of Castile.
This is going on my arrogant assumptions. You may have a superb reason why I'm completely wrong.
-- Iain Clarke
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Update:
The problem seems to occur in some condition.
For example, when minimizing a message dialog of MSN Messenger, it flicks, when minizing the main dialog of MSN Messenger, it doesn't flick.
================================================
The parent windows aready has both WS_CLIPCHILDREN and WS_CLIPSIBLINGS styles,
but the child control of it still flicks, when another application cover it is minimized.
Here is some code:
int CMyEditorDlg::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
if (CDialog::OnCreate(lpCreateStruct) == -1)
return -1;
...
style=WS_CHILD|WS_VISIBLE|BS_OWNERDRAW|BS_NOTIFY;
m_btnMin.Create(NULL,style,rc,this,ID_BTN_MIN);
m_btnMax.Create(NULL,style,rc,this,ID_BTN_MAX);
...
}
CMyButton m_btnMin;
CMyButton m_btnMax;
class CMyButton : public CBitmapButton
I've tried to let OnEraseBackground return only TRUE, but no help.
modified on Tuesday, May 6, 2008 7:56 PM
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