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[0.4.13][DESK] Fix GetDC/ReleaseDC error management
Fix missing ReleaseDC related to the spectrum (color depth)
We leaked one device context for each bpp change within the
desk.cpl-session, which gave the following logging when closing desk.cpl:
(win32ss/user/ntuser/windc.c:749) err: [00060138] GetDC() without ReleaseDC()!
1 time for each leak.
Partial backport of (#2707)
Fix picked from 0.4.15-dev-2867-g d635ce0cc0
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@ -472,8 +472,12 @@ OnBPPChanged(IN HWND hwndDlg, IN PSETTINGS_DATA pData)
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/* Show a new spectrum bitmap */
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/* Show a new spectrum bitmap */
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hSpectrumControl = GetDlgItem(hwndDlg, IDC_SETTINGS_SPECTRUM);
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hSpectrumControl = GetDlgItem(hwndDlg, IDC_SETTINGS_SPECTRUM);
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hSpectrumDC = GetDC(hSpectrumControl);
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hSpectrumDC = GetDC(hSpectrumControl);
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if (hSpectrumDC == NULL)
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return;
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GetClientRect(hSpectrumControl, &client);
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GetClientRect(hSpectrumControl, &client);
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ShowColorSpectrum(hSpectrumDC, &client, dmNewBitsPerPel, pData);
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ShowColorSpectrum(hSpectrumDC, &client, dmNewBitsPerPel, pData);
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ReleaseDC(hSpectrumControl, hSpectrumDC);
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/* Find if new parameters are valid */
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/* Find if new parameters are valid */
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Current = pData->CurrentDisplayDevice->CurrentSettings;
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Current = pData->CurrentDisplayDevice->CurrentSettings;
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