public ResizeButton(Form form, Bitmap img)
{
owner = form;
Anchor = AnchorStyles.BottomRight;
Image = img;
ImageColor = Color.White;
ImageHoverColor = Color.FromArgb(0, 122, 204);
Text = "";
Height = img.Height;
Width = img.Width;
this.ClearColor(Color.Transparent);
Owner.UpClick += Owner_UpClick;
}