C# 自訂最大化,最小化和關閉按鈕－天天向上

修改Form的FormBoarderStyle屬性->None

完成後加入1個panel命名為panel_All
panel_All的Dock屬性改成Fill
加入3個pictureBox分別命名為pictureBox_Min, pictureBox_Max和pictureBox_Close
pictureBox_Min的Tag屬性值=0
pictureBox_Max的Tag屬性值=1
pictureBox_Close的Tag屬性值=2

將圖片加入資源

點選<加入資源>, <加入現有檔案>, 完成如下

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控制圖片的切換狀態

   1: #region  控制圖片的切換狀態   2:         public void ImageSwitch(object sender, int tag, int ns)   3:         {   4:             PictureBox pic = (PictureBox)sender;   5:             switch (tag)//取得標識   6:             {   7:                 case 0://目前為最小化按鈕   8:                     {   9:                         pic.Image = null;   //清空圖片  10:                         if (ns == 0)        //滑鼠移入  11:                             pic.Image = Properties.Resources.minimize2;  12:                         if (ns == 1)        //滑鼠移出  13:                             pic.Image = Properties.Resources.minimize;  14:                         break;  15:                     }  16:                 case 1://最大化按鈕  17:                     {  18:                         pic.Image = null;  19:                         if (ns == 0)  20:                             pic.Image = Properties.Resources.maximum2;  21:                         if (ns == 1)  22:                             pic.Image = Properties.Resources.maximum;  23:                         break;  24:                     }  25:                 case 2://關閉按鈕  26:                     {  27:                         pic.Image = null;  28:                         if (ns == 0)  29:                             pic.Image = Properties.Resources.close2;  30:                         if (ns == 1)  31:                             pic.Image = Properties.Resources.close;  32:                         break;  33:                     }  34:             }  35:         }  36:         #endregion

設定視窗的最大化、最小化和關閉按鈕的單擊事件

   1: #region  設定視窗的最大化、最小化和關閉按鈕的單擊事件   2:         public void FrmClickSub(Form form, int tag)   3:         {   4:             switch (tag)//視窗的操作樣式   5:             {   6:                 case 0://視窗最小化   7:                     form.WindowState = FormWindowState.Minimized;//視窗最小化   8:                     break;   9:                 case 1://視窗最大化和還原的切換  10:                     {  11:                         if (form.WindowState == FormWindowState.Maximized)//如果視窗目前是最大化  12:                             form.WindowState = FormWindowState.Normal;    //還原視窗大小  13:                         else  14:                             form.WindowState = FormWindowState.Maximized; //視窗最大化  15:                         break;  16:                     }  17:                 case 2:    //關閉視窗  18:                     form.Close();  19:                     break;  20:             }  21:         }  22:         #endregion

最大化按鈕的單擊事件

   1: private void pictureBox_Max_Click(object sender, EventArgs e)   2:  {   3:      FrmClickSub(this, Convert.ToInt16(((PictureBox)sender).Tag.ToString()));//設定滑鼠單擊時按鈕的圖片   4:  }

最小化按鈕的單擊事件

   1: private void pictureBox_Min_Click(object sender, EventArgs e)   2: {   3:     FrmClickSub(this, Convert.ToInt16(((PictureBox)sender).Tag.ToString()));//設定滑鼠單擊時按鈕的圖片   4: }

關閉按鈕的單擊事件

   1: private void pictureBox_Close_Click(object sender, EventArgs e)   2:   {   3:       FrmClickSub(this, Convert.ToInt16(((PictureBox)sender).Tag.ToString()));//設定滑鼠單擊時按鈕的圖片   4:   }

最大化按鈕的MouseEnter和MouseLeave

MouseEnter

   1: private void pictureBox_Max_MouseEnter(object sender, EventArgs e)   2:   {   3:       ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 0);//設定滑鼠移入後按鈕的圖片   4:   }

MouseLeave

   1: private void pictureBox_Max_MouseLeave(object sender, EventArgs e)   2: {   3:     ImageSwitch(sender, Convert.ToInt16(((PictureBox)sender).Tag.ToString()), 1);//設定滑鼠移出後按鈕的圖片   4: }

編譯程式