Tag Archives: MouseUp

Save and restore lines drawn by a WPF line editor in C#

Posted on January 10, 2019 by RodStephens

The example Make a WPF line editor C# shows how to make a program that lets the user draw lines on a WPF canvas. This example is similar but it also allows you to save and restore drawings. The WPF … Continue reading →

Posted in drawing, graphics, wpf | Tagged C#, C# programming, delete line segments, draw line segments, drawing, example, example program, graphics, line segments, MouseDown, MouseMove, MouseUp, move end points, move line segments, trash can icon, trash icon, trashcan icon, Windows Forms programming, WPF | Leave a comment

Let the user draw lines in C#

Posted on December 1, 2018 by RodStephens

This example lets the user click and draw to draw lines. To make working with lines easier, the program uses the following Segment class. class Segment { public Pen Pen; public Point Point1, Point2; public Segment(Pen pen, Point point1, Point … Continue reading →

Posted in drawing, events, graphics | Tagged C#, C# programming, draw lines, drawing, events, example, example program, graphics, MouseDown, MouseMove, MouseUp, Windows Forms programming | Leave a comment

Draw, move, and delete line segments in VB.NET

Posted on February 23, 2017 by RodStephens

This progra lets you draw, move, and delete line segments from a drawing. It’s a Visual Basic .NET version of the example Draw, move, and delete line segments in C# made by request. Click and drag to draw line segments. … Continue reading →

Posted in drawing, graphics | Tagged delete line segments, draw line segments, drawing, example, example program, graphics, line segments, MouseDown, MouseMove, MouseUp, move end points, move line segments, trash can icon, trash icon, trashcan icon, VB.NET, VB.NET programming, Visual Basic, Visual Basic .NET, Visual Basic .NET programming, Visual Basic programming, Windows Forms programming | 5 Comments

Save and restore line drawings in C#

Posted on November 16, 2016 by RodStephens

The example Draw and move line segments in C# shows how to build a simple line editor. This example adds the ability to save and restore drawings. The first step is to save all of the drawing information in a … Continue reading →

Posted in drawing, graphics | Tagged C#, C# programming, delete line segments, deserialization, deserialize, draw line segments, drawing, example, example program, graphics, line segments, load drawing, MouseDown, MouseMove, MouseUp, move end points, move line segments, restore drawing, save drawing, serialization, serialize, trash can icon, trash icon, trashcan icon, Windows Forms programming | 7 Comments

Make a WPF line editor C#

Posted on February 27, 2015 by RodStephens

This example is a “simple” WPF line editor that lets you add, move, and delete Line objects. The example Draw, move, and delete line segments in C# is a Windows Forms application that does something. The WPF version is a … Continue reading →

Posted in algorithms, drawing, graphics, wpf | Tagged algorithms, C#, C# programming, delete line segments, draw line segments, drawing, example, example program, graphics, line segments, MouseDown, MouseMove, MouseUp, move end points, move line segments, trash can icon, trash icon, trashcan icon, Windows Forms programming, WPF | 26 Comments

Draw, move, and delete line segments in C#

Posted on January 11, 2015 by RodStephens

This example shows how to make a drawing program that lets you draw, move, and delete line segments. It’s based on the example Draw and move line segments in C#. See that example for information about how the program lets … Continue reading →

Posted in drawing, graphics | Tagged C#, C# programming. MouseDown, delete line segments, draw line segments, drawing, example, example program, graphics, line segments, MouseMove, MouseUp, move end points, move line segments, trash can icon, trash icon, trashcan icon, Windows Forms programming | 30 Comments

Draw and move polygons snapping them to a grid in C#

Posted on October 9, 2014 by RodStephens

This example lets the user draw and move polygons snapping them to a grid. See the example Let the user draw polygons, move them, and add points to them in C# for information on how the program lets the user … Continue reading →

Posted in algorithms, drawing, geometry, graphics, mathematics | Tagged add point, add point to polygon, algorithms, C#, C# programming, draw polygons, drawing, example, example program, graphics, grid, list, mathematics, MouseDown, MouseMove, MouseUp, move polygons, move vertices, Paint, snap to grid, Windows Forms programming | Leave a comment

Let the user draw polygons, move them, and add points to them in C#

Posted on October 8, 2014 by Rod Stephens

This example lets the user draw polygons, move them, and add points to them. It’s an extension of the example Let the user draw and move polygons in C#. See that example for a description of most of this program’s … Continue reading →

Posted in algorithms, drawing, graphics, mathematics | Tagged add point, add point to polygon, algorithms, C#, C# programming, draw polygons, drawing, example, example program, graphics, list, mathematics, MouseDown, MouseMove, MouseUp, move polygons, move vertices, Paint, Windows Forms programming | 13 Comments

Let the user draw and move polygons in C#

Posted on October 7, 2014 by Rod Stephens

This example lets the user draw and move polygons. It builds on the example Let the user draw polygons in C#. The program uses MouseDown, MouseMove, and MouseUp event handlers to let the user draw and interact with the polygons. … Continue reading →

Posted in algorithms, drawing, graphics | Tagged algorithms, C#, C# programming, draw polygons, drawing, example, example program, graphics, list, MouseDown, MouseMove, MouseUp, move polygons, move vertices, Paint, Windows Forms programming | 18 Comments

Let the user draw polygons in C#

Posted on October 7, 2014 by Rod Stephens

This example shows how you can let the user draw polygons with the mouse. It represents each polygon as a list of points. It stores all of the finished polygons in a list of lists of points named Polygons, which … Continue reading →