oftenlin

摘要： // 拖动一个label 设置背景色为透明，不添加文字 添加以下代码private bool m_isMouseDown = false;private System.Drawing.Point m_mousePos = new System.Drawing.Point();private void label4_MouseDown(object sender, MouseEventArgs e){ base.OnMouseDown(e); m_mousePos = System.Windows.Forms.Cursor.Position; m_isMouseDown = true;}priv 阅读全文