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Type: Posts; User: neokoder

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  1. Re: Does DefWindowProc while processing WM_ERASEBKGND use update region?

    I answer my question myself(it was checked) :) - Yes. But when BeginPaint send WM_ERASEBKGND internally, the update rect is always {0,0,0,0}. Why?
    I know that before returning BeginPaint validate...
  2. Re: Does DefWindowProc while processing WM_ERASEBKGND use update region?

    Sorry, I was mistaken. In urect there is no always {0,0,0,0}. But my question still in force: Does DefWindowProc while processing WM_ERASEBKGND use update region or erase entire client area?
  3. Does DefWindowProc while processing WM_ERASEBKGND use update region?

    Hi,
    I process WM_ERASEBKGND message for WS_CHILD window:


    case WM_ERASEBKGND:
    GetUpdateRect(hWnd,&urect,FALSE);
    //...........


    In urect i always get {0,0,0,0}. That's why I ask:...
  4. What is an optimal size of buffer to send large file(>30Mb) over network?

    What is an optimal size of buffer to send large file(>30Mb) over network?

    There is a parameter - TCP Window Size. For example we have scale window size about 128Kb. If I'll use small buffer about...
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