GetWindowExtEx function (wingdi.h)

This function retrieves the x-extent and y-extent of the window for the specified device context.

Syntax

BOOL GetWindowExtEx(
  [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 page-space units, that is, logical 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