Paint problem

Posted on 2003-11-15
Last Modified: 2010-04-02

Iam using StretchDiBits to convert the DIB bitmap to Device context of

my window. It has some problem , sometimes it fails to paint the form DC

whenever i move the mouse over it get repainted.

I even tried using SetDIBitsToDevice , but it didn't  help

Is there i need to do , make this work , here is the code

Question by:Manjesh

Accepted Solution

georgiek50 earned 100 total points
ID: 9790532
I am not sure if this is what you are talking about but I have a routine in my code that reads a bitmap and then cuts it up into the desired squares getting bitmap handles for each (this is after I've called LoadImage for the DIB)

void cMainSkin::LoadPartialBitmap(void)
      // Function to get a handle for each button bmp

      HDC hdcMain, hdcMem, hdcMem2;
      // Get main window DC and create a memory DC
      hdcMain = GetDC(hwndMain);
      hdcMem  = CreateCompatibleDC(hdcMain);
      hdcMem2 = CreateCompatibleDC(hdcMain);

      // Run a loop seven times for each button
      for (int i = 0; i < 7; i++)
            // Create a compatible bitmap
            hButtonPartialBitmap[i] = CreateCompatibleBitmap(hdcMain, iButtonWidth[i][0],

            // Select the bitmap into the second memory DC
            SelectObject(hdcMem2, hButtonPartialBitmap[i]);

            // Select the button bitmap into the first memory DC
            SelectObject(hdcMem, hButtonBitmap);

            // Copy the desired part of the bitmap into the second memory DC
            BitBlt(hdcMem2, 0, 0, iButtonWidth[i][0], iButtonHeight[i][0],
                     hdcMem, iButtonSourceX[i][0], iButtonSourceY[i][0],

      // Release DC
      ReleaseDC(hwndMain, hdcMain);

      // Delete memory DC

Expert Comment

ID: 10249233
No comment has been added lately, so it's time to clean up this TA.
I will leave the following recommendation for this question in the Cleanup topic area:

Accept: georgiek50 {http:#9790532}

Please leave any comments here within the next seven days.

EE Cleanup Volunteer

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Many modern programming languages support the concept of a property -- a class member that combines characteristics of both a data member and a method.  These are sometimes called "smart fields" because you can add logic that is applied automaticall…
Container Orchestration platforms empower organizations to scale their apps at an exceptional rate. This is the reason numerous innovation-driven companies are moving apps to an appropriated datacenter wide platform that empowers them to scale at a …
The goal of the tutorial is to teach the user how to use functions in C++. The video will cover how to define functions, how to call functions and how to create functions prototypes. Microsoft Visual C++ 2010 Express will be used as a text editor an…
The viewer will be introduced to the member functions push_back and pop_back of the vector class. The video will teach the difference between the two as well as how to use each one along with its functionality.

911 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

23 Experts available now in Live!

Get 1:1 Help Now