public void StartDrag(object sender, MouseButtonEventArgs e)
{
UserControl control = sender as UserControl;
control.CaptureMouse();
IsDragged = true;
//GrabPoint = e.GetPosition(this);
}
public void InjectAbility(UserControl userControl)
{
#region UserControl
userControl.Cursor = Cursors.SizeAll;
#endregion
#region MouseEvents
userControl.MouseRightButtonDown += (sender, eventArgs) =>
{
this.initialUserControlPosition = new Point(Canvas.GetLeft(userControl), Canvas.GetTop(userControl));
this.initialMousePosition = eventArgs.GetPosition(userControl);
userControl.CaptureMouse();
};
userControl.MouseMove += (sender, eventArgs) =>
{
if (eventArgs.RightButton == MouseButtonState.Pressed)
{
Point newMousePosition = eventArgs.GetPosition(userControl);
Point deltaMousePosition = new Point(this.initialMousePosition.X - newMousePosition.X, this.initialMousePosition.Y - newMousePosition.Y);
Point newUserControlPosition = new Point(this.initialUserControlPosition.X - deltaMousePosition.X, this.initialUserControlPosition.Y - deltaMousePosition.Y);
Canvas.SetLeft(userControl, newUserControlPosition.X);
Canvas.SetTop(userControl, newUserControlPosition.Y);
this.initialUserControlPosition = newUserControlPosition;
}
};
userControl.MouseUp += (sender, eventArgs) =>
{
userControl.ReleaseMouseCapture();
};
#endregion
}
void OnMouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
_bMouseCapturing = _oUserCtrl.CaptureMouse();
_oLastMousePos = e.GetPosition(null);
}