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Drag and drop rectangle in C#


Drag and drop rectangle in C#

By : user3854917
Date : January 02 2021, 06:48 AM
fixed the issue. Will look into that further You're pretty close, you just need to initialize the rectangle better and adjust the rectangle size in the Move event:
code :


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Drag and Drop Function with Drawing Rectangle C# .net - Forms

Drag and Drop Function with Drawing Rectangle C# .net - Forms


By : Sachin Rana
Date : March 29 2020, 07:55 AM
I wish this help you I want to drag and drop that I have drawn on the forms. Here is my code for drawing the rectangle. An this works fine. , I have written a helper class for this kind of stuff:
code :
class ControlMover
{
    public enum Direction
    {
        Any,
        Horizontal,
        Vertical
    }

    public static void Init(Control control)
    {
        Init(control, Direction.Any);
    }

    public static void Init(Control control, Direction direction)
    {
        Init(control, control, direction);
    }

    public static void Init(Control control, Control container, Direction direction)
    {
        bool Dragging = false;
        Point DragStart = Point.Empty;
        control.MouseDown += delegate(object sender, MouseEventArgs e)
        {
            Dragging = true;
            DragStart = new Point(e.X, e.Y);
            control.Capture = true;
        };
        control.MouseUp += delegate(object sender, MouseEventArgs e)
        {
            Dragging = false;
            control.Capture = false;
        };
        control.MouseMove += delegate(object sender, MouseEventArgs e)
        {
            if (Dragging)
            {
                if (direction != Direction.Vertical)
                    container.Left = Math.Max(0, e.X + container.Left - DragStart.X);
                if (direction != Direction.Horizontal)
                    container.Top = Math.Max(0, e.Y + container.Top - DragStart.Y);
            }
        };
    }
}  
ControlMover.Init(myControl, myContainer, ControlMover.Direction.Any);  
How to remove dashed rectangle when doing drag and drop

How to remove dashed rectangle when doing drag and drop


By : Zezo Mousa
Date : March 29 2020, 07:55 AM
this will help Try this in the Style of the Visual that is surrounded by the rectangle:
code :
<Setter Property="FocusVisualStyle" Value="{x:Null}"/>
DragDropEffects effects = DragDrop.DoDragDrop((DependencyObject)sender, data, DragDropEffects.Move);
DragDropEffects effects = DragDrop.DoDragDrop((DependencyObject)sender, data, DragDropEffects.None);
How to drag and drop a rectangle

How to drag and drop a rectangle


By : deepu
Date : March 29 2020, 07:55 AM
may help you . Change the translate variable declaration on your code in function drag into this
code :
var translate = d3.transform(self.attr("transform")).translate;
Javascript Canvas - Draw rectangle drag and drop

Javascript Canvas - Draw rectangle drag and drop


By : BarneysWorld
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further I want to be able to click and drag to draw a rectangle on a javascript canvas. , An algorithm to investigate would be to
Drawing rectangle drag and drop using C++

Drawing rectangle drag and drop using C++


By : Amir Sumic
Date : March 29 2020, 07:55 AM
this will help Seems like you forgot the closing bracket in OnPaint(), it's complaining about you putting OnKeyDown() inside it
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