Moving Images by using DragDrop

[michael1987]

Hello
I have written a little c# application and now i have a little problem:

How can I move images from one point to another by using drag and drop?

Who can help me?

 

[handa29]

This little problem bedeviled me for more than a day. Part of the problem is that all of the samples I could find online dealt with just adding a new control to the base form. I wanted to add the new container control (a Label) to a Panel.

The code below is working. I'll have to do a little more playing around with it, but you can use it as a base, too.

<pre>
//in my sample app, the sender is a label with only an image on it
// so i want to contain the dropped image in a label also. it could have easily
// been any other type of new or existing container (e.g., picturebox, custom control)
private void panel2_DragDrop(object sender, System.Windows.Forms.DragEventArgs e)
{
//create a new object to contain the data
// here i used a label because it was convenient
Label newLbl = new Label();

//add it to the list of controls contained within the form
this.panel2.Controls.Add(newLbl);

//get the image from the drop & assign it a new home
newLbl.Image = ((Image) e.Data.GetData (DataFormats.Bitmap));

//give the new container a location
newLbl.Location = this.panel2.PointToClient(new Point (e.X, e.Y));

//give the new container a size (if you don't, Microsoft may not have given
// this control a decent default size)
newLbl.Size = this.label1.Size;

//assign it a tab index if necessary
newLbl.TabIndex = 0;

//give the object some event handlers
//these handlers allow the user to drag the object around the surface of its new home
newLbl.MouseUp += new System.Windows.Forms.MouseEventHandler(this.newLbl_MouseUp);
newLbl.MouseMove += new System.Windows.Forms.MouseEventHandler(this.newLbl_MouseMove);
newLbl.MouseDown += new System.Windows.Forms.MouseEventHandler(this.newLbl_MouseDown);

}
</pre>