动态添加menuStrip项目 [英] Dynamically adding menuStrip items

问题描述

所以我有一个问题，动态添加项目到menuStrip。我的意思是我知道如何添加项目，但我不知道如何使点击处理程序的动态添加项目。

so I have a problem with dynamically adding items to menuStrip. I mean I know how to add items to it, but I dont have any idea how to make Click handler to those dynamically added items.

for(int i = 0; i < grupiuKiekis; i++)
    {
        row2 = mysql_fetch_row(result2);
        System::String^ grupesName = gcnew String(row2[1]);
        pasirinktiGrupęToolStripMenuItem->DropDownItems->Add(grupesName);
    }

请告诉我正确的方法。

推荐答案

Add方法有几个重载。您可以使用重载，允许您明确指定EventHandler ，或您可以构建一个 ToolStripItem ，设置点击处理程序，然后添加ToolStripItem 。

The Add method has several overloads. You could use the overload that allows you to specify an EventHandler explicitly, or you could construct a ToolStripItem, set up a click handler on that, and then add the ToolStripItem.

这里基本上是你想要做的：

Here's basically what you want to do:

for(int i = 0; i < grupiuKiekis; i++)
{
    row2 = mysql_fetch_row(result2);
    System::String^ grupesName = gcnew String(row2[1]);
    ToolStripItem^ item = gcnew ToolStripItem();
    item->Text = grupesName;
    item->Click += gcnew EventHandler(this, &Form1::clickHander);
    pasirinktiGrupęToolStripMenuItem->DropDownItems->Add(item);
}

void clickHander(Object^ sender, EventArgs^ e)
{
    ToolStripItem^ item = (ToolStripItem^) sender;
    System::String^ grupesName = item->Text;
    // Do what you need to do.
}

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