C#实现系统桌面右下角弹框

实践过程

效果

代码

 public partial class GroundForm : Form
  {
      public GroundForm()
      {
          InitializeComponent();
      }

      private void display_Click(object sender, EventArgs e)
      {
          DropDownForm.Instance().ShowForm(); //显示窗体
      }

      private void close_Click(object sender, EventArgs e)
      {
          DropDownForm.Instance().CloseForm(); //隐藏窗体
          //关闭窗体
          this.Close();
      }
  }

   public partial class DropDownForm : System.Windows.Forms.Form
  {
      #region 声明的变量

      private System.Drawing.Rectangle Rect; //定义一个存储矩形框的数组
      private FormState InfoStyle = FormState.Hide; //定义变量为隐藏
      static private DropDownForm dropDownForm = new DropDownForm(); //实例化当前窗体
      private static int AW_HIDE = 0x00010000;
      private static int AW_SLIDE = 0x00040000;
      private static int AW_VER_NEGATIVE = 0x00000008;

      #endregion

      #region 该窗体的构造方法

      public DropDownForm()
      {
          InitializeComponent();
          //初始化工作区大小
          System.Drawing.Rectangle rect = System.Windows.Forms.Screen.GetWorkingArea(this);
          this.Rect = new System.Drawing.Rectangle(rect.Right - this.Width - 1, rect.Bottom - this.Height - 1,
              this.Width, this.Height);
      }

      #endregion

      #region 调用API函数显示窗体

      [DllImportAttribute("user32.dll")]
      private static extern bool AnimateWindow(IntPtr hwnd, int dwTime, int dwFlags);

      #endregion

      #region 鼠标控制图片的变化

      private void pictureBox1_MouseEnter(object sender, EventArgs e)
      {
          for (int i = 0; i < imageList1.Images.Count; i++)
          {
              if (i == 1)
                  pictureBox1.Image = imageList1.Images[i];
          }
      }

      private void pictureBox1_MouseLeave(object sender, EventArgs e)
      {
          for (int i = 0; i < imageList1.Images.Count; i++)
          {
              if (i == 0)
                  pictureBox1.Image = imageList1.Images[i];
          }
      }

      #endregion

      #region 定义标识窗体移动状态的枚举值

      protected enum FormState
      {
          //隐藏窗体
          Hide = 0,

          //显示窗体
          Display = 1,

          //显示窗体中
          Displaying = 2,

          //隐藏窗体中
          Hiding = 3
      }

      #endregion

      #region 用属性标识当前状态

      protected FormState FormNowState
      {
          get { return this.InfoStyle; }
          set { this.InfoStyle = value; }
      }

      #endregion

      #region 显示窗体

      public void ShowForm()
      {
          switch (this.FormNowState)
          {
              case FormState.Hide:
                  if (this.Height <= this.Rect.Height - 192) //当窗体没有完全显示时
                      this.SetBounds(Rect.X, this.Top - 192, Rect.Width, this.Height + 192); //使窗体不断上移
                  else
                  {
                      this.SetBounds(Rect.X, Rect.Y, Rect.Width, Rect.Height); //设置当前窗体的边界
                      this.FormNowState = FormState.Display; //设置当前窗体的操作状态为显示
                  }

                  AnimateWindow(this.Handle, 800, AW_SLIDE + AW_VER_NEGATIVE); //动态显示本窗体
                  break;
          }
      }

      #endregion

      #region 关闭窗体

      public void CloseForm()
      {
          switch (this.FormNowState)
          {
              case FormState.Display: //显示当前窗体
                  if (this.Top <= this.Rect.Bottom - 192) //如果窗体没有完全隐藏
                  {
                      this.SetBounds(Rect.X, this.Top + 192, Rect.Width, this.Height - 192); //使窗体不断下移
                  }
                  else
                  {
                      this.Close(); //隐藏当前窗体
                      this.FormNowState = FormState.Hide; //设置窗体的操作状态为隐藏
                  }

                  break;
          }
      }

      #endregion

      #region 返回当前窗体的实例化对象

      static public DropDownForm Instance()
      {
          return dropDownForm;
      }

      #endregion

      #region 在窗体的关闭事件中进行动态关闭

      private void DropDownForm_FormClosing(object sender, FormClosingEventArgs e)
      {
          e.Cancel = true;
          AnimateWindow(this.Handle, 800, AW_SLIDE + AW_VER_NEGATIVE + AW_HIDE);
          this.Close();
      }

      #endregion
  }

以上就是C#实现系统桌面右下角弹框的详细内容，更多关于C#桌面弹框的资料请关注编程宝库其它相关文章！

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