WebIsOutlineVisible (PointF, Pen, Graphics) Určuje, zda je zadaný bod obsažen v obrysu (pod) této GraphicsPath osnovy při kreslení se zadaným Pen a pomocí zadaného Graphics. C# Kopírovat public bool IsOutlineVisible (System.Drawing.PointF pt, System.Drawing.Pen pen, System.Drawing.Graphics? graphics); Parametry pt PointF WebJul 12, 2016 · For this you can use either GraphicsPath.IsOutlineVisible (Point) .. private void Form1_MouseDown (object sender, MouseEventArgs e) { GraphicsPath gp = new GraphicsPath (); gp.AddRectanle (hitbox); using (Pen pen = new Pen (Color.Black, 2f)) if (gp.IsOutlineVisible (e.location), pen) .. // clicked on outline } ..or stick to rectangles..:
GDI+ Line/Curve Drawing and Hit Test - CodeProject
WebThe GraphicsPath::IsOutlineVisible method determines whether a specified point touches the outline of this path when the path is drawn by a specified Graphics object and a specified pen. IsOutlineVisible(INT,INT,Pen*,Graphics*) WebThe following example creates an elliptical path and draws that path with a wide yellow pen. Then the code tests each point in an array to see whether the point touches the outline (as it would be drawn by the wide yellow pen) of the path.Points that touch the outline are painted green, and points that don't touch the outline are painted red. dhs c8 pips out rubber review
GraphicsPath.IsOutlineVisible Aspose.PSD لمرجع .NET API
WebOct 6, 2011 · Graphics _graph; private PictureBox pictureBox1; GraphicsPath _path; List _points = new List(); bool _isDrag = ... (Note that the IsVisible returns true on a larger region than only the outline (check GraphicsPath.IsOutlineVisible), also watch the FillMOde of the path) WebOct 18, 2013 · 2. i have a bool function that checks for points if it is on the ellipse.Also, the user can move his mouse near the ellipse path to select the ellipse in order to move it to a new location. I checked for the corner points of the bounding rectangle of ellipse. If the user selects these four points, the resize feature of ellipse is enabled, Which ... WebMay 3, 2014 · You just need to use a different method for hit-testing: IsOutlineVisible instead of IsVisible. using (var path = new GraphicsPath ()) { path.AddLines (myPoints); return path.IsOutlineVisible (pt, Pens.Black); } You need to provide a pen because line-based hit-testing works with line and lines can have a specific width. cincinnati bengals going to super bowl