Question

如何用c#绘制出一个矩形，并且用户自己移动

Answer 1

abstract class DrawBase
{
internal Color m_BackColor;
internal Color m_ForeColor;
internal static int m_HalfGrab;

public static int HalfGrab
{
get { return DrawBase.m_HalfGrab; }
set { DrawBase.m_HalfGrab = value; }
}

public Color BackColor
{
get { return m_BackColor; }
set { m_BackColor = value; }
}

public Color ForeColor
{
get { return m_ForeColor; }
set { m_ForeColor = value; }
}

public abstract Rectangle GetBound();
public abstract void Draw(Graphics g);
public abstract bool Near(int x, int y);
public abstract void SetBound(Rectangle bound);
}
int num;