个人代码库のC#千千静听 - 桌面歌词 （功能模拟）

using System.Drawing;

using System.Windows.Forms;

using System.Drawing.Drawing2D;



namespace WindowsFormsApplication2

{

    public partial class Form1 : Form

    {

        public Form1()

        {

            InitializeComponent();

            this.DoubleBuffered = true;//开启双缓存，显示能够更平滑。

            this.Size = SystemInformation.WorkingArea.Size;//默认以整个桌面为大小。这样就可以显示全部文字！

        }







        Point mouse_offset;

        private void Form_MouseDown(object sender , MouseEventArgs e)

        {

            mouse_offset = e.Location; //将当前鼠标相对于“窗体”左上角的坐标赋值给mouse_offset

        }



        private void Form_MouseMove(object sender , MouseEventArgs e)

        {



            if ( e.Button == MouseButtons.Left )

            {

                Left = Control.MousePosition.X - mouse_offset.X;

                Top = Control.MousePosition.Y - mouse_offset.Y;

            }

        }



        string strText2Show = "俺是谁嗫？";

        private void Form1_Paint(object sender , PaintEventArgs e)

        {

            GraphicsPath buttonPath = new GraphicsPath();

            System.Drawing.Rectangle newRectangle = this.ClientRectangle;



            string stringText = strText2Show;//要显示的字符串。



            FontFamily family = new FontFamily("Arial");//修改字体。

            int fontStyle = (int)FontStyle.Regular;//字体字形，eg:加粗或倾斜？

            int emSize = 72;//字体大小

            Point origin = new Point(0 , 700-72);//显示的位置。

            StringFormat format = StringFormat.GenericDefault;//文本布局信息





            // 使用“字符串”显示。

            buttonPath.AddString(stringText ,

                family ,

                fontStyle ,

                emSize ,

                origin ,

                format);



            this.Region = new System.Drawing.Region(buttonPath);

            this.BackColor = Color.Red;

        }



        private void Form1_Click(object sender , System.EventArgs e)

        {

            strText2Show = "这是变化后的文本！";

            this.Refresh();

        }

    }

}