SetWindowExtEx

The SetWindowExtEx function sets the horizontal and vertical extents of the window for a device context by using the specified values.

BOOL SetWindowExtEx(

HDC hdc,	// handle of device context
int nXExtent,	// new horizontal window extent
int nYExtent,	// new vertical window extent
LPSIZE lpSize	// original window extent
);

Parameters

hdc

Identifies the device context.

nXExtent

Specifies the window's horizontal extent in logical units.

nYExtent

Specifies the window's vertical extent in logical units.

lpSize

Points to a SIZE structure. The previous window extents (in logical units) are placed in this structure. If lpSize is NULL, nothing is returned.

Return Values

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

Remarks

When the following mapping modes are set, calls to the SetWindowExtEx and SetViewportExtEx functions are ignored:

• MM_HIENGLISH

• MM_HIMETRIC

• MM_LOENGLISH

• MM_LOMETRIC

• MM_TEXT

• MM_TWIPS

When MM_ISOTROPIC mode is set, an application must call the SetWindowExtEx function before calling SetViewportExtEx.

See Also

GetWindowExtEx, SetViewportExtEx, SIZE

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