winforms - 如何将行添加到 TableLayoutPanel 的中间

Question

我有一个包含 3 列和 1 行的 TableLayoutPanel:
(删除按钮、用户控制、添加按钮)

我希望添加按钮在单击的按钮下方添加一个类似于上面的新行:
例如:
前:

(删除按钮 1、用户控件 2、添加按钮 1)

(删除按钮 2、用户控件 2、添加按钮 2)

单击“添加按钮 1”后:

(删除按钮 1、用户控件 2、添加按钮 1)

(删除按钮 3、用户控件 3、添加按钮 3)

(删除按钮 2、用户控件 2、添加按钮 2)

我设法将行添加到 tablelayoupanel 的末尾而不是中间:它一直在搞砸布局。
这是事件处理程序的片段:

void MySecondControl::buttonAdd_Click( System::Object^ sender, System::EventArgs^ e )
{
   int rowIndex = 1 + this->tableLayoutPanel->GetRow((Control^)sender);

   /* Remove button */
   Button^ buttonRemove = gcnew Button();
   buttonRemove->Text = "Remove";
   buttonRemove->Click += gcnew System::EventHandler(this, &MySecondControl::buttonRemove_Click);

   /* Add button */
   Button^ buttonAdd = gcnew Button();
   buttonAdd->Text = "Add";
   buttonAdd->Click += gcnew System::EventHandler(this, &MySecondControl::buttonAdd_Click);

   /*Custom user control */
   MyControl^ myControl = gcnew MyControl();

   /* Add the controls to the Panel. */
   this->tableLayoutPanel->RowCount += 1;
   this->tableLayoutPanel->Controls->Add(buttonRemove, 0, rowIndex);
   this->tableLayoutPanel->Controls->Add(myControl, 1, rowIndex);
   this->tableLayoutPanel->Controls->Add(buttonAdd, 2, rowIndex);
}

这不能正常工作。

难道我做错了什么？有什么建议？

Answer 1

终于找到了一个解决方案:我没有将控件添加到他们的直接位置，而是将它们添加到末尾，然后使用 SetChildIndex()将控件移动到所需位置的功能:

void MySecondControl::buttonAdd_Click( System::Object^ sender, System::EventArgs^ e )
{
   int childIndex = 1 + this->tableLayoutPanel->Controls->GetChildIndex((Control^)sender);

   /* Remove button */
   Button^ buttonRemove = gcnew Button();
   buttonRemove->Text = "Remove";
   buttonRemove->Click += gcnew System::EventHandler(this, &MySecondControl::buttonRemove_Click);

   /* Add button */
   Button^ buttonAdd = gcnew Button();
   buttonAdd->Text = "Add";
   buttonAdd->Click += gcnew System::EventHandler(this, &MySecondControl::buttonAdd_Click);

   /*Custom user control */
   MyControl^ myControl = gcnew MyControl();

   /* Add the controls to the Panel. */
   this->tableLayoutPanel->Controls->Add(buttonRemove);
   this->tableLayoutPanel->Controls->Add(myControl);
   this->tableLayoutPanel->Controls->Add(buttonAdd);

   /* Move the controls to the desired location */
   this->tableLayoutPanel->Controls->SetChildIndex(buttonRemove, childIndex);
   this->tableLayoutPanel->Controls->SetChildIndex(myControl, childIndex + 1);
   this->tableLayoutPanel->Controls->SetChildIndex(buttonAdd, childIndex + 2);
}