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QuestionResize and move a drawn rectangle in win forms Pin
Member 1223285027-Apr-20 13:23
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AnswerRe: Resize and move a drawn rectangle in win forms Pin
Luc Pattyn27-Apr-20 14:17
sitebuilderLuc Pattyn27-Apr-20 14:17 
GeneralRe: Resize and move a drawn rectangle in win forms Pin
Member 1223285027-Apr-20 20:38
MemberMember 1223285027-Apr-20 20:38 
Hi,
Your notes are helpful to help where to look in my code, but still I can't get it work OMG | :OMG:
I started from scratch and made the first step is just to move the rectangle, my issue now is to calculate the new starting XY, but it seems resize the rectangle when mouseUp:
<pre>private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
{
	if (rect.Contains(e.Location))
		this.Cursor = Cursors.SizeAll;
	else
		this.Cursor = Cursors.Default;

	if (m_mouseDown && rect.Contains(e.Location))
	{
		if (e.X > StartXY.X)
		{
			EndXY.X += e.X - StartXY.X;
			EndXY.Y += e.Y - StartXY.Y;
		}
		else
		{
			EndXY.X += Math.Abs(e.X - StartXY.X);
			EndXY.Y += Math.Abs(e.Y - StartXY.Y);
		}

		StartXY = e.Location;
		Console.WriteLine("pictureBox1_MouseMove");
	}

	if (m_mouseDown && !rect.Contains(e.Location))
	{
		EndXY = e.Location;
	}

	Invalidate();
}



Complete code:
public partial class Form1 : Form
{
    Rectangle rect;
    Point StartXY;
    Point EndXY;

    int x = 0;
    int y = 0;
    int height = 0;
    int width = 0;

    bool m_mouseDown = false;
    bool m_movingRect = false;


    Pen rectPen = new Pen(Color.Red, 1);

    public Form1()
    {
        InitializeComponent();
        this.DoubleBuffered = true;
    }

    private void Form1_Load(object sender, EventArgs e)
    {

    }

    private void pictureBox1_Paint(object sender, PaintEventArgs e)
    {
        Graphics gObj = e.Graphics;

        x = Math.Min(StartXY.X, EndXY.X);
        y = Math.Min(StartXY.Y, EndXY.Y);

        height = Math.Abs(StartXY.X - EndXY.X);
        width = Math.Abs(StartXY.Y - EndXY.Y);

        rect = new Rectangle(x, y, height, width);
        rectPen.DashStyle = DashStyle.Dash;
        gObj.DrawRectangle(rectPen, rect);
    }

    private void pictureBox1_MouseDown(object sender, MouseEventArgs e)
    {
        m_mouseDown = true;

        // Moving rectangle
        if (rect.Contains(e.Location))
        {
            m_movingRect = true;
            Console.WriteLine("m_mouseDown");
        }
        else
        {
            StartXY = e.Location;
        }
    }

    private void pictureBox1_MouseMove(object sender, MouseEventArgs e)
    {
        if (rect.Contains(e.Location))
            this.Cursor = Cursors.SizeAll;
        else
            this.Cursor = Cursors.Default;

        if (m_mouseDown && rect.Contains(e.Location))
        {
            if (e.X > StartXY.X)
            {
                EndXY.X += e.X - StartXY.X;
                EndXY.Y += e.Y - StartXY.Y;
            }
            else
            {
                EndXY.X += Math.Abs(e.X - StartXY.X);
                EndXY.Y += Math.Abs(e.Y - StartXY.Y);
            }

            StartXY = e.Location;
            Console.WriteLine("pictureBox1_MouseMove");
        }

        if (m_mouseDown && !rect.Contains(e.Location))
        {
            EndXY = e.Location;
        }

        Invalidate();
    }

    private void pictureBox1_MouseUp(object sender, MouseEventArgs e)
    {
        if (!m_movingRect)
        {
            EndXY = e.Location;
        }

        m_mouseDown = false;
        m_movingRect = false;
        Invalidate();
    }
}

GeneralRe: Resize and move a drawn rectangle in win forms Pin
Luc Pattyn28-Apr-20 5:50
sitebuilderLuc Pattyn28-Apr-20 5:50 
GeneralRe: Resize and move a drawn rectangle in win forms Pin
Member 1223285028-Apr-20 18:56
MemberMember 1223285028-Apr-20 18:56 
GeneralRe: Resize and move a drawn rectangle in win forms Pin
Luc Pattyn29-Apr-20 3:30
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QuestionDate compare Pin
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AnswerRe: Date compare Pin
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GeneralRe: Date compare Pin
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GeneralRe: Date compare Pin
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GeneralRe: Date compare Pin
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SuggestionRe: Date compare Pin
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AnswerRe: Date compare Pin
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QuestionRename files in WinScp Directory using C# Pin
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