GetViewportExtEx function (wingdi.h)

The GetViewportExtEx function retrieves the x-extent and y-extent of the current viewport for the specified device context.

Syntax

BOOL GetViewportExtEx(
  [in]  HDC    hdc,
  [out] LPSIZE lpsize
);

[in] hdc

A handle to the device context.

[out] lpsize

A pointer to a SIZE structure that receives the x- and y-extents, in device units.

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

Requirement	Value
Minimum supported client	Windows 2000 Professional [desktop apps only]
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	wingdi.h (include Windows.h)
Library	Gdi32.lib
DLL	Gdi32.dll