我在Windows窗体c ++ / CLI应用程序中制作节拍。
如何访问$(document).ready(function () {
var num;
var arbt=["yellow","green","blue","magenta","red","white","lime"];
$("a").each(function (index) {
var ran = Math.floor((Math.random() * arbt.length) + 1);
var colo = arbt[ran];
$(this).css('background-color', colo);
})
})
事件中的对象？
Form1_Load产生的错误是public:
System::Void Form1_Load(System::Object^ sender, System::EventArgs^ e) {
System::Windows::Media::MediaPlayer^ cymbal
= gcnew System::Windows::Media::MediaPlayer();
cymbal->Open(gcnew System::Uri("wav file directory"));
}
private:
System::Void button1_KeyDown(System::Object^ sender,
System::Windows::Forms::KeyEventArgs^ e) {
if(e->KeyCode == Keys::R)
cymbal->Play();
}
是未声明的标识符。
答案 0 :(得分：0)
您需要向句柄添加范围。如果您的班级名称是MyClass
那么这应该是句柄的签名：
System::Void MyClass::button1_KeyDown(System::Object^ sender, System::Windows::Forms::KeyEventArgs^ e)