Ellipse

  • 项目

This function draws an ellipse. The center of the ellipse is the center of the specified bounding rectangle. The ellipse is outlined by the currently selected pen and filled by the currently selected brush.

BOOL Ellipse(
  HDC hdc, 
  int nLeftRect, 
  int nTopRect, 
  int nRightRect, 
  int nBottomRect
);

Parameters

  • hdc
    [in] Handle to the device context.
  • nLeftRect
    [in] Specifies the x-coordinate of the upper-left corner of the bounding rectangle.
  • nTopRect
    [in] Specifies the y-coordinate of the upper-left corner of the bounding rectangle.
  • nRightRect
    [in] Specifies the x-coordinate of the lower-right corner of the bounding rectangle.
  • nBottomRect
    [in] Specifies the y-coordinate of the lower-right corner of the bounding rectangle.

Return Values

Nonzero indicates success. Zero indicates failure. To get extended error information, call GetLastError.

Remarks

The current position is neither used nor updated by Ellipse.

Requirements

OS Versions: Windows CE 1.0 and later.
Header: Windows.h.
Link Library: Coredll.lib.

See Also

GDI Functions

Last updated on Wednesday, April 13, 2005

© 2005 Microsoft Corporation. All rights reserved.