更新

WindowsFormsApp6/Form3.cs

@@ -349,8 +349,8 @@ namespace WindowsFormsApp6
             clockTimer.Tick += (s, e) => label2.Text = DateTime.Now.ToString(DATE_TIME_FORMAT);
             clockTimer.Start();
             
-            // 动态创建切换按钮
+            // 不再在 Form3 内部创建切换按钮，改为在 MainForm 中创建
-            CreateToggleButton();
+            // CreateToggleButton();
         }
 
         /// <summary>
@@ -396,7 +396,7 @@ namespace WindowsFormsApp6
         /// <summary>
         /// 切换表格方向（纵向/横向）
         /// </summary>
-        private void ToggleTableLayout()
+        public void ToggleTableLayout()
         {
             isVerticalLayout = !isVerticalLayout;
             
@@ -416,6 +416,14 @@ namespace WindowsFormsApp6
             ShowMessage($"已切换到{(isVerticalLayout ? "纵向" : "横向")}布局", "布局切换", MessageBoxIcon.Information);
         }
 
+        /// <summary>
+        /// 获取当前布局方向
+        /// </summary>
+        public bool IsVerticalLayout()
+        {
+            return isVerticalLayout;
+        }
+
         /// <summary>
         /// 保存当前数据
         /// </summary>

WindowsFormsApp6/MainForm.Designer.cs

@@ -49,6 +49,7 @@ namespace WindowsFormsApp6
             this.button5 = new System.Windows.Forms.Button();
             this.buttonExport = new System.Windows.Forms.Button();
             this.buttonPrint = new System.Windows.Forms.Button();
+            this.buttonToggleLayout = new System.Windows.Forms.Button();
             this.tableLayoutPanel1.SuspendLayout();
             this.panelTop.SuspendLayout();
             this.tableLayoutPanel2.SuspendLayout();
@@ -348,6 +349,7 @@ namespace WindowsFormsApp6
             // panelBottom
             // 
             this.panelBottom.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(245)))), ((int)(((byte)(245)))), ((int)(((byte)(245)))));
+            this.panelBottom.Controls.Add(this.buttonToggleLayout);
             this.panelBottom.Controls.Add(this.button5);
             this.panelBottom.Controls.Add(this.buttonExport);
             this.panelBottom.Controls.Add(this.buttonPrint);
@@ -358,6 +360,23 @@ namespace WindowsFormsApp6
             this.panelBottom.Size = new System.Drawing.Size(1194, 74);
             this.panelBottom.TabIndex = 3;
             // 
+            // buttonToggleLayout
+            // 
+            this.buttonToggleLayout.Anchor = System.Windows.Forms.AnchorStyles.None;
+            this.buttonToggleLayout.BackColor = System.Drawing.Color.FromArgb(((int)(((byte)(52)))), ((int)(((byte)(152)))), ((int)(((byte)(219)))));
+            this.buttonToggleLayout.FlatAppearance.BorderSize = 0;
+            this.buttonToggleLayout.FlatStyle = System.Windows.Forms.FlatStyle.Flat;
+            this.buttonToggleLayout.Font = new System.Drawing.Font("微软雅黑", 10F, System.Drawing.FontStyle.Bold);
+            this.buttonToggleLayout.ForeColor = System.Drawing.Color.White;
+            this.buttonToggleLayout.Location = new System.Drawing.Point(197, 17);
+            this.buttonToggleLayout.Name = "buttonToggleLayout";
+            this.buttonToggleLayout.Size = new System.Drawing.Size(140, 40);
+            this.buttonToggleLayout.TabIndex = 4;
+            this.buttonToggleLayout.Text = "🔄 横向布局";
+            this.buttonToggleLayout.UseVisualStyleBackColor = false;
+            this.buttonToggleLayout.Visible = false;
+            this.buttonToggleLayout.Click += new System.EventHandler(this.buttonToggleLayout_Click);
+            // 
             // button5
             // 
             this.button5.Anchor = System.Windows.Forms.AnchorStyles.None;
@@ -461,5 +480,6 @@ namespace WindowsFormsApp6
         private System.Windows.Forms.Button button5;
         private System.Windows.Forms.Button buttonExport;
         private System.Windows.Forms.Button buttonPrint;
+        private System.Windows.Forms.Button buttonToggleLayout;
     }
 }

WindowsFormsApp6/MainForm.cs

@@ -42,6 +42,16 @@ namespace WindowsFormsApp6
         private void TabControl1_SelectedIndexChanged(object sender, EventArgs e)
         {
             UpdateTitleForCurrentTab();
+            
+            // 根据选中的 Tab 显示/隐藏切换布局按钮
+            // 只有在 Form3 (Tab 2, index=2) 时显示切换按钮
+            buttonToggleLayout.Visible = (tabControl1.SelectedIndex == 2);
+            
+            // 更新切换按钮的文本
+            if (tabControl1.SelectedIndex == 2 && form3Instance != null)
+            {
+                UpdateToggleButtonText();
+            }
         }
 
         private void UpdateTitleForCurrentTab()
@@ -132,6 +142,31 @@ namespace WindowsFormsApp6
             }
         }
 
+        private void buttonToggleLayout_Click(object sender, EventArgs e)
+        {
+            if (form3Instance != null)
+            {
+                // 调用 Form3 的公共切换方法
+                form3Instance.ToggleTableLayout();
+                
+                // 更新按钮文本
+                UpdateToggleButtonText();
+            }
+        }
+
+        /// <summary>
+        /// 更新切换按钮的文本
+        /// </summary>
+        private void UpdateToggleButtonText()
+        {
+            if (form3Instance != null)
+            {
+                // 使用公共方法获取布局状态
+                bool isVertical = form3Instance.IsVerticalLayout();
+                buttonToggleLayout.Text = isVertical ? "🔄 横向布局" : "🔄 纵向布局";
+            }
+        }
+
         private void ExportIntegratedReport(string filePath)
         {
             try