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Completely eliminate flickering by implementing double buffering.
svn path=/trunk/; revision=25213
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3b7c2562ce
commit
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@ -222,9 +222,17 @@ LRESULT CALLBACK WndProc (HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
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{
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PAINTSTRUCT ps;
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HDC hdc = BeginPaint(hwnd, &ps);
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FillRect(hdc, &ps.rcPaint, CreateSolidBrush(RGB(235,233,237)));
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DrawBitmap(hdc, 10, 12, hLogo);
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DrawDescription(hdc, DescriptionRect);
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HDC BackbufferHdc = CreateCompatibleDC(hdc);
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HBITMAP BackbufferBmp = CreateCompatibleBitmap(hdc, ps.rcPaint.right, ps.rcPaint.bottom);
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SelectObject(BackbufferHdc, BackbufferBmp);
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FillRect(BackbufferHdc, &ps.rcPaint, CreateSolidBrush(RGB(235,235,235)));
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DrawBitmap(BackbufferHdc, 10, 12, hLogo);
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DrawDescription(BackbufferHdc, DescriptionRect);
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BitBlt(hdc, 0, 0, ps.rcPaint.right, ps.rcPaint.bottom, BackbufferHdc, 0, 0, SRCCOPY);
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DeleteObject(BackbufferBmp);
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DeleteDC(BackbufferHdc);
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EndPaint(hwnd, &ps);
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}
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break;
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@ -299,8 +307,8 @@ LRESULT CALLBACK WndProc (HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam)
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RECT Top = {0,0,LOWORD(lParam),60};
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InvalidateRect(hwnd, &Top, TRUE);
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RECT Description = {Split_Vertical, Split_Hozizontal, LOWORD(lParam), HIWORD(lParam)};
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InvalidateRect(hwnd, &Description, TRUE);
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RECT Bottom = {Split_Vertical, Split_Hozizontal, LOWORD(lParam), HIWORD(lParam)};
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InvalidateRect(hwnd, &Bottom, FALSE);
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}
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break;
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