API -> Ellipse [ Library : gdi32.dll, Category : Filled Shapes ] [C#, VB, VB.net]

Ellipse

Library : gdi32.dll Category : Filled Shapes

Api Example(s)
Drawing Bézier splines
Drawing Cardinal splines
SetWindowShape - Create elliptical or rounded forms
Working with Arc API (Arc, ArcTo, AngleArc)
Drawing Chord using API
Rotate graphics (Plygon, line, ellipse, image...) using world transformation technique
Scale, Translate, Shear, Reflect and Rotate graphics using World Transformation technique
Working with Region API
Working with Basic Filled Shapes using GDI API
How to produce mirror effect using World transform technique (Win9x/Me not supported)

API Description :

The Ellipse function draws an ellipse. The center of the ellipse is the center of the specified bounding rectangle. The ellipse is outlined by using the current pen and is filled by using the current brush.

VB Declaration :

Show Multiline Public Private

Declare Function Ellipse Lib "gdi32" Alias "Ellipse" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long) As Long

Parameters :

· hdc
Identifies the device context.

· nLeftRect
Specifies the x-coordinate of the upper-left corner of the bounding rectangle.

· nTopRect
Specifies the y-coordinate of the upper-left corner of the bounding rectangle.

· nRightRect
Specifies t

Return :

If the function succeeds, the return value is nonzero.

If the function fails, the return value is zero. To get extended error information, call GetLastError.

OS Requirement :

Requires Windows NT 3.1 or later
Requires Windows 95 or later

Dotnet Replacement :

System.Drawing.Graphics.DrawEllipse System.Drawing.Graphics.FillEllipse