public class DoubleClickEvent : UnityEvent { } [SerializeField] private DoubleClickEvent _onDoubleClick = new DoubleClickEvent(); public DoubleClickEvent OnDoubleClick { get { return _onDoubleClick; } set { _onDoubleClick = value; } DateTime); m_SecondTime = default(DateTime); } private void Press() { if (OnDoubleClick = null) OnDoubleClick.Invoke(); else ResetTime(); } public override
=null) { OnDoubleClick();//调用事件的响应函数 } ()仿照事件 private DoubleClickDelegate OnDoubleClick; 再对私有的委托用一个AddDoubleClick进行对外界的过滤,所以完整代码应该是这样的: //把委托申明为Private,防止外界直接=NULL或者OnDoubleClick()仿照事件 private DoubleClickDelegate _OnDoubleClick; public void AddDoubleClick(DoubleClickDelegate d) { _OnDoubleClick += d; =null) { _OnDoubleClick();//调用事件的响应函数 }
可以双击后选择文本 功能支持长按事件:可以长按后选择全部文本 违反原则实现: 定义点击相关的监听接口 interface OnClickListener { onClick(): void; onDoubleClick class HomePage implements OnClickListener { onClick(): void { console.log("触发点击事件进入编辑页面"); } onDoubleClick `typescript class EditPage implements OnClickListener { onClick(): void { // 无相关需求,空实现 } onDoubleClick OnClickListener, OnDoubleClickListener { onClick(): void { console.log("触发点击事件进入编辑页面"); } onDoubleClick 触发双击事件退出页面"); } } EditPage实现: class EditPage implements OnDoubleClickListener, OnLongPressListener { onDoubleClick
DoubleClickExample = () => ( <EnhancedClickableBox onClick={() => console.log("on click")} onDoubleClick document.getElementById("app")); 线上Demo: https://codepen.io/scaukk/pen/yLBYojv Hooks 版本 const ClickableBox = ({ onClick, onDoubleClick }) => { const [handleClick, handleDoubleClick] = useClickPreventionOnDoubleClick(onClick, onDoubleClick ); return ( <button onClick={handleClick} onDoubleClick={handleDoubleClick}> Click or double const DoubleClickExample = () => ( <ClickableBox onClick={() => console.log("on click")} onDoubleClick
4.重写onDoubleClick方法 2. MainAbilitySlice extends AbilitySlice implements Component.DoubleClickedListener { //把text1提为成员变量,不然onDoubleClick findComponentById(ResourceTable.Id_but1); // 2.绑定事件(想到点谁,就给谁绑定事件) // 当双击了but1按钮之后,就会执行本类中的 onDoubleClick onForeground(Intent intent) { super.onForeground(intent); } @Override public void onDoubleClick
fill=BOTH) # canv clipped first self.fillContent(canv) canv.bind('<Double-1>', self.onDoubleClick for i in range(10): canv.create_text(150, 50+(i*100), text='spam'+str(i), fill='beige') def onDoubleClick
dragIntervalTime = 0.2f; // 拖动的鼠标间隔距离 public float dragIntervalPos = 0.01f; public UnityEvent onDoubleClick Btn_OnClick>(); btn.onClick.AddListener(Click); btn.onPress.AddListener(Press); btn.onDoubleClick.AddListener doubleClickIntervalTime) { if (clickTimes >= 2) { onDoubleClick.Invoke
很多人感兴趣这一行代码是什么样的,于是有大神就贴出了下面这一行使用了 Lambda 语法的 C++ 代码,如下所示: head.onDoubleClick([&](e){ msgSender.send(
ChildrenProps> = ({ dbClick, title, children, }: ChildrenProps) => { return ( <> <h1 onDoubleClick
list box class that does just that: class CMyListBox : public CListBox { protected: afx_msg void OnDoubleClick DECLARE_MESSAGE_MAP () }; BEGIN_MESSAGE_MAP (CMyListBox, CListBox) ON_CONTROL_REFLECT (LBN_DBLCLK, OnDoubleClick ) END_MESSAGE_MAP () void CMyListBox::OnDoubleClick () { CString string; int nIndex = GetCurSel ); } The ON_CONTROL_REFLECT entry in the derived class's message map tells MFC to call CMyListBox::OnDoubleClick
.combinedClickable( onClick = { // 单击 }, onDoubleClick
此时把白色变为红色 //如果标记为true,表示已经点赞,再次双击后,会把红色变回白色 boolean flag = false; @Override public void onDoubleClick 此时把白色变为红色 //如果标记为true,表示已经点赞,再次双击后,会把红色变回白色 boolean flag = false; @Override public void onDoubleClick
这里需要注意下,下面是官方示例: