typedef struct tagSIZE {
int cx;
int cy;
} SIZE;
The SIZE structure contains viewport extents, window extents, text extents, bitmap dimensions, and the aspect-ratio filter for some extended functions for Windows 3.1.
cx
Specifies the x-extent when a function returns.
cy
Specifies the y-extent when a function returns.
GetAspectRatioFilterEx, GetBitmapDimensionEx, GetTextExtentPoint, GetViewportExtEx, GetWindowExtEx, ScaleViewportExtEx, ScaleWindowExtEx, SetBitmapDimensionEx, SetViewportExtEx, SetWindowExtEx