Unable to do drag and drop

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WPF

Hi all,

drag and drop usercontrols in a wpf unable to perform.
i have 2 user controls on wpf form . i would like to drag these usercontrols on to a canvas in the same app. can ny one correct my code.

void UserControl1_MouseMove(object sender, MouseEventArgs e)
{
if(e.LeftButton==MouseButtonState .Pressed)
DragDrop .DoDragDrop(this ,new DataObject("myformat",this),DragDropEffects .Move );
}

void UserControl2_MouseMove(object sender, MouseEventArgs e)
{
if(e.LeftButton==MouseButtonState .Pressed)
DragDrop .DoDragDrop(this ,new DataObject("myformat",this),DragDropEffects .Move );
}		

void Canvas1_Drop(object sender, DragEventArgs e)
{
var control=e.Data .GetData(typeof(UserControl))as UserControl;	 
canvas1 .Children .Add(control);
}