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CDC Class
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CDC::DPtoHIMETRIC
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CDC::DrawTextEx
CDC::Ellipse
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CDC::GetBrushOrg
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CDC::GetCharABCWidths
CDC::GetCharABCWidthsI
CDC::GetCharWidth
CDC::GetCharWidthI
CDC::GetClipBox
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CDC::GetCurrentBitmap
CDC::GetCurrentBrush
CDC::GetCurrentFont
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CDC::GetCurrentPen
CDC::GetCurrentPosition
CDC::GetDCBrushColor
CDC::GetDCPenColor
CDC::GetDeviceCaps
CDC::GetFontData
CDC::GetFontLanguageInfo
CDC::GetGlyphOutline
CDC::GetGraphicsMode
CDC::GetHalftoneBrush
CDC::GetKerningPairs
CDC::GetLayout
CDC::GetMapMode
CDC::GetMiterLimit
CDC::GetNearestColor
CDC::GetOutlineTextMetrics
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CDC::GetOutputTabbedTextExtent
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CDC::GetOutputTextMetrics
CDC::GetPath
CDC::GetPixel
CDC::GetPolyFillMode
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CDC::GetSafeHdc
CDC::GetStretchBltMode
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CDC::GetTextAlign
CDC::GetTextCharacterExtra
CDC::GetTextColor
CDC::GetTextExtent
CDC::GetTextExtentExPointI
CDC::GetTextExtentPointI
CDC::GetTextFace
CDC::GetTextMetrics
CDC::GetViewportExt
CDC::GetViewportOrg
CDC::GetWindow
CDC::GetWindowExt
CDC::GetWindowOrg
CDC::GetWorldTransform
CDC::GradientFill
CDC::GrayString
CDC::HIMETRICtoDP
CDC::HIMETRICtoLP
CDC::IntersectClipRect
CDC::InvertRect
CDC::InvertRgn
CDC::IsPrinting
CDC::LineTo
CDC::LPtoDP
CDC::LPtoHIMETRIC
CDC::m_hAttribDC
CDC::m_hDC
CDC::MaskBlt
CDC::ModifyWorldTransform
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CDC::OffsetViewportOrg
CDC::OffsetWindowOrg
CDC::operator HDC
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CDC::PlayMetaFile
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CDC::PolylineTo
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CDC::PolyPolyline
CDC::PtVisible
CDC::QueryAbort
CDC::RealizePalette
CDC::Rectangle
CDC::RectVisible
CDC::ReleaseAttribDC
CDC::ReleaseOutputDC
CDC::ResetDC
CDC::RestoreDC
CDC::RoundRect
CDC::SaveDC
CDC::ScaleViewportExt
CDC::ScaleWindowExt
CDC::ScrollDC
CDC::SelectClipPath
CDC::SelectClipRgn
CDC::SelectObject
CDC::SelectPalette
CDC::SelectStockObject
CDC::SetAbortProc
CDC::SetArcDirection
CDC::SetAttribDC
CDC::SetBkColor
CDC::SetBkMode
CDC::SetBoundsRect
CDC::SetBrushOrg
CDC::SetColorAdjustment
CDC::SetDCBrushColor
CDC::SetDCPenColor
CDC::SetGraphicsMode
CDC::SetLayout
CDC::SetMapMode
CDC::SetMapperFlags
CDC::SetMiterLimit
CDC::SetOutputDC
CDC::SetPixel
CDC::SetPixelV
CDC::SetPolyFillMode
CDC::SetROP2
CDC::SetStretchBltMode
CDC::SetTextAlign
CDC::SetTextCharacterExtra
CDC::SetTextColor
CDC::SetTextJustification
CDC::SetViewportExt
CDC::SetViewportOrg
CDC::SetWindowExt
CDC::SetWindowOrg
CDC::SetWorldTransform
CDC::StartDoc
CDC::StartPage
CDC::StretchBlt
CDC::StrokeAndFillPath
CDC::StrokePath
CDC::TabbedTextOut
CDC::TextOut
CDC::TransparentBlt
CDC::UpdateColors
CDC::WidenPath
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CDC::InvertRect

Visual Studio 2012

Inverts the contents of the given rectangle.

Copy 
void InvertRect( 
   LPCRECT lpRect  
);
lpRect

Points to a RECT that contains the logical coordinates of the rectangle to be inverted. You can also pass a CRect object for this parameter.

Inversion is a logical NOT operation and flips the bits of each pixel. On monochrome displays, the function makes white pixels black and black pixels white. On color displays, the inversion depends on how colors are generated for the display. Calling InvertRect twice with the same rectangle restores the display to its previous colors.

If the rectangle is empty, nothing is drawn.

C++
Copy 
void CDCView::DoInvertRect(CDC* pDC)
{
   // invert rect from 20,20 to 50,50
   CRect rect(20, 20, 50, 50);
   pDC->InvertRect(rect);

   // inverting again restores to normal
   ::Sleep(1000);
   pDC->InvertRect(rect);   
}

Header: afxwin.h

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