Pie function (wingdi.h)

Article
02/22/2024

The Pie function draws a pie-shaped wedge bounded by the intersection of an ellipse and two radials. The pie is outlined by using the current pen and filled by using the current brush.

Syntax

BOOL Pie(
  [in] HDC hdc,
  [in] int left,
  [in] int top,
  [in] int right,
  [in] int bottom,
  [in] int xr1,
  [in] int yr1,
  [in] int xr2,
  [in] int yr2
);

Parameters

[in] hdc

A handle to the device context.

[in] left

The x-coordinate, in logical coordinates, of the upper-left corner of the bounding rectangle.

[in] top

The y-coordinate, in logical coordinates, of the upper-left corner of the bounding rectangle.

[in] right

The x-coordinate, in logical coordinates, of the lower-right corner of the bounding rectangle.

[in] bottom

The y-coordinate, in logical coordinates, of the lower-right corner of the bounding rectangle.

[in] xr1

The x-coordinate, in logical coordinates, of the endpoint of the first radial.

[in] yr1

The y-coordinate, in logical coordinates, of the endpoint of the first radial.

[in] xr2

The x-coordinate, in logical coordinates, of the endpoint of the second radial.

[in] yr2

The y-coordinate, in logical coordinates, of the endpoint of the second radial.

Return value

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero.

Remarks

The curve of the pie is defined by an ellipse that fits the specified bounding rectangle. The curve begins at the point where the ellipse intersects the first radial and extends counterclockwise to the point where the ellipse intersects the second radial.

The current position is neither used nor updated by the Pie function.

Requirements

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