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Code Issues Releases Wiki Activity

Use decltype instead of typedefs for function pointers

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This commit is contained in:
Birunthan Mohanathas
2014-02-28 18:35:09 +02:00
parent 27af737a3a
commit 3190fc267f
9 changed files with 55 additions and 73 deletions
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27
Library/MeterWindow.cpp
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@ -64,10 +64,10 @@ enum INTERVAL
int MeterWindow::c_InstanceCount = 0;
HINSTANCE MeterWindow::c_DwmInstance = nullptr;
FPDWMENABLEBLURBEHINDWINDOW MeterWindow::c_DwmEnableBlurBehindWindow = nullptr;
FPDWMGETCOLORIZATIONCOLOR MeterWindow::c_DwmGetColorizationColor = nullptr;
FPDWMSETWINDOWATTRIBUTE MeterWindow::c_DwmSetWindowAttribute = nullptr;
FPDWMISCOMPOSITIONENABLED MeterWindow::c_DwmIsCompositionEnabled = nullptr;
decltype(DwmEnableBlurBehindWindow)* MeterWindow::c_DwmEnableBlurBehindWindow = nullptr;
decltype(DwmGetColorizationColor)* MeterWindow::c_DwmGetColorizationColor = nullptr;
decltype(DwmSetWindowAttribute)* MeterWindow::c_DwmSetWindowAttribute = nullptr;
decltype(DwmIsCompositionEnabled)* MeterWindow::c_DwmIsCompositionEnabled = nullptr;
/*
** Constructor
@ -142,16 +142,17 @@ MeterWindow::MeterWindow(const std::wstring& folderPath, const std::wstring& fil
m_FontCollection(),
m_ToolTipHidden(false)
{
if (!c_DwmInstance && IsWindowsVistaOrGreater())
if (!c_DwmInstance && IsWindowsVistaOrGreater() &&
(c_DwmInstance = System::RmLoadLibrary(L"dwmapi.dll")) != nullptr)
{
c_DwmInstance = System::RmLoadLibrary(L"dwmapi.dll");
if (c_DwmInstance)
{
c_DwmEnableBlurBehindWindow = (FPDWMENABLEBLURBEHINDWINDOW)GetProcAddress(c_DwmInstance, "DwmEnableBlurBehindWindow");
c_DwmGetColorizationColor = (FPDWMGETCOLORIZATIONCOLOR)GetProcAddress(c_DwmInstance, "DwmGetColorizationColor");
c_DwmSetWindowAttribute = (FPDWMSETWINDOWATTRIBUTE)GetProcAddress(c_DwmInstance, "DwmSetWindowAttribute");
c_DwmIsCompositionEnabled = (FPDWMISCOMPOSITIONENABLED)GetProcAddress(c_DwmInstance, "DwmIsCompositionEnabled");
}
c_DwmEnableBlurBehindWindow =
(decltype(c_DwmEnableBlurBehindWindow))GetProcAddress(c_DwmInstance, "DwmEnableBlurBehindWindow");
c_DwmGetColorizationColor =
(decltype(c_DwmGetColorizationColor))GetProcAddress(c_DwmInstance, "DwmGetColorizationColor");
c_DwmSetWindowAttribute =
(decltype(c_DwmSetWindowAttribute))GetProcAddress(c_DwmInstance, "DwmSetWindowAttribute");
c_DwmIsCompositionEnabled =
(decltype(c_DwmIsCompositionEnabled))GetProcAddress(c_DwmInstance, "DwmIsCompositionEnabled");
}
if (c_InstanceCount == 0)