/// <summary>
/// Starts dragging, and invokes the StartMoving event.
/// </summary>
/// <param name="args">Mouse event arguments.</param>
protected override void OnMouseDown(MouseEventArgs args)
{
if (args.Button == MouseButtons.Left)
{
this.isDragging = true;
this.lastLocation = args.Position;
if (StartMoving != null)
{
StartMoving.Invoke(this);
}
}
}
private void OnStartMoving()
{
StartMoving?.Invoke(this, new EventArgs());
}
protected virtual void OnStartMoving(IntPtr handle)
{
System.Diagnostics.Debug.WriteLine($"Start moving");
_state = State.Moving;
StartMoving?.Invoke(this, handle);
}