增加右上角最大化按钮

WinBox/MainForm.Designer.cs

@@ -38,7 +38,6 @@
             this.ClientSize = new System.Drawing.Size(898, 527);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
-            this.MaximizeBox = false;
             this.Name = "MainForm";
             this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;
             this.Text = "全能双师";