diff --git a/WinForm/AppView/FormMain.Designer.cs b/WinForm/AppView/FormMain.Designer.cs
index ef1e718..6d4e1ec 100644
--- a/WinForm/AppView/FormMain.Designer.cs
+++ b/WinForm/AppView/FormMain.Designer.cs
@@ -105,17 +105,18 @@
             // controlDataTreeCell
             // 
             controlDataTreeCell.ContextMenuStrip = contextMenuStrip;
+            controlDataTreeCell.Dock = DockStyle.Fill;
             controlDataTreeCell.Location = new Point(0, 0);
             controlDataTreeCell.Margin = new Padding(4, 3, 4, 3);
             controlDataTreeCell.Name = "controlDataTreeCell";
-            controlDataTreeCell.Size = new Size(618, 450);
+            controlDataTreeCell.Size = new Size(820, 450);
             controlDataTreeCell.TabIndex = 1;
             // 
             // FormMain
             // 
             AutoScaleDimensions = new SizeF(7F, 15F);
             AutoScaleMode = AutoScaleMode.Font;
-            ClientSize = new Size(618, 450);
+            ClientSize = new Size(820, 450);
             Controls.Add(controlDataTreeCell);
             KeyPreview = true;
             Name = "FormMain";