Answer / s.subashselvan

CClientDC will paint only the client area of the window and
it will work any message handler.
CPaintDC will paint only the client area of the window but
it only work on OnPaint message Handler only.

Answer / susinderan

Both draws only window's client Area
-----------------
CClienDC()
-----------------
(i) constructor calls GetDc()
(ii) Destructor calls Release()
(iii) Will not remove WM_PAINT msg
(iv) Should not be used inside onPaint().
can be used outside onPaint()

-----------------
CPaintDC()
-----------------
(i) constructor calls BeginPaint()
(ii) Destructor calls EndPaint()
(iii) Will remove WM_PAINT msg
(iv) Should be used only inside onPaint()

Answer / narendra

CPaintDC For drawing in a window's client area (OnPaint
handlers only)
CClientDC For drawing in a window's client area (anywhere
but OnPaint)

Answer / swati

Cpaintdc can be used for only onpaint handler while
cclientdc can be used to paint in client area bt can use any
handlers like ondraw,onpaint
cwindow can be used to paint in whole window
cmetafile is used to store seq of files as physical output.

Answer / rahul susar

"CPaintDC" For drawing in a window's client area (OnPaint
handlers only)
"CClientDC" For drawing in a window's client area (anywhere
but OnPaint)
"CWindowDC" For drawing anywhere in a window, including the
nonclient area
"CMetaFileDC" For drawing to a GDI metafile

Answer / pnnr

CClientDC will paint only the client area of the window
CPaintDC will paint the whole window area including the
client area and non client area (Menu's , toolbar's etc..)

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