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using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.Data;
public class Form1 : System.Windows.Forms.Form
{
private bool isDragging = false;
private int currentX, currentY;
Rectangle dropRect = new Rectangle(180, 180, 60, 60);
private PictureBox myPictureBox;
public Form1()
{
InitializeComponent();
CenterToScreen();
myPictureBox = new PictureBox();
myPictureBox.SizeMode = PictureBoxSizeMode.StretchImage;
myPictureBox.Location = new System.Drawing.Point(64, 32);
myPictureBox.Size = new System.Drawing.Size(50, 50);
myPictureBox.Image = new Bitmap("winter.jpg");
myPictureBox.MouseDown += new MouseEventHandler(myPictureBox_MouseDown);
myPictureBox.MouseUp += new MouseEventHandler(myPictureBox_MouseUp);
myPictureBox.MouseMove += new MouseEventHandler(myPictureBox_MouseMove);
myPictureBox.Cursor = Cursors.Hand;
Controls.Add(myPictureBox);
}
private void InitializeComponent()
{
this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
this.ClientSize = new System.Drawing.Size(292, 273);
this.Text = "Dragging Images";
this.Paint += new System.Windows.Forms.PaintEventHandler(this.Form1_Paint);
}
static void Main()
{
Application.Run(new Form1());
}
private void myPictureBox_MouseDown(object sender, MouseEventArgs e)
{
isDragging = true;
currentX = e.X;
currentY = e.Y;
}
private void myPictureBox_MouseMove(object sender, MouseEventArgs e) {
if (isDragging) {
myPictureBox.Top = myPictureBox.Top + (e.Y - currentY);
myPictureBox.Left = myPictureBox.Left + (e.X - currentX);
}
}
private void myPictureBox_MouseUp(object sender, MouseEventArgs e)
{
isDragging = false;
Console.WriteLine(dropRect.Contains(myPictureBox.Bounds));
}
private void Form1_Paint(object sender, System.Windows.Forms.PaintEventArgs e)
{
Graphics g = e.Graphics;
g.FillRectangle(Brushes.AntiqueWhite, dropRect);
g.DrawString("Drag and drop the image here.", new Font("Times New Roman", 8), Brushes.Red, dropRect);
}
}
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