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

Arc

Library : gdi32.dll Category : Filled Shapes

Api Example(s)
Take advantage of the new math functions
Drawing Bézier splines
Drawing Cardinal splines
ASin, ACos, ACot, ASec, ACsc - Missing inverse trig functions
ASinH, ACosH, ATanH, ACotH, ASecH, ACscH - Hyperbolic inverse trig functions
Atn2 - Arc tangent of Y/X
RotatePicture - Rotate a 256-color bitmap by any angle (super-optimized version)
Working with Arc API (Arc, ArcTo, AngleArc)
Drawing Chord using API
Working with Basic Filled Shapes using GDI API

API Description :

The Arc function draws an elliptical arc.

VB Declaration :

Show Multiline Public Private

Declare Function Arc Lib "gdi32" Alias "Arc" (ByVal hdc As Long, ByVal X1 As Long, ByVal Y1 As Long, ByVal X2 As Long, ByVal Y2 As Long, ByVal X3 As Long, ByVal Y3 As Long, ByVal X4 As Long, ByVal Y4 As Long) As Long

Parameters :

· hdc
Identifies the device context where drawing takes place.

· nLeftRect
Specifies the logical x-coordinate of the upper-left corner of the bounding rectangle.
Windows 95: The sum of nLeftRect plus nRightRect must be less than 32768.

· nTopRect

Return :

If the arc is drawn, the return value is nonzero. 

If the arc is not drawn, the return value is zero.

OS Requirement :

Requires Windows NT 3.1 or later
Requires Windows 95 or later

Dotnet Replacement :

System.Drawing.Graphics.DrawArc