如何从打字稿访问 mat 菜单触发器 [英] How do I access mat menu trigger from typescript

问题描述

我有以下 html:

<button mat-icon-button #notificationMenuBtn [matMenuTriggerFor]="notificationsMenu">
</button>
<mat-menu #notificationsMenu="matMenu" [overlapTrigger]="false">
</mat-menu>

如何从打字稿访问notificaitonMenuBtn 上的thematMenuTriggerFor?我尝试使用 View Child(如下所示)，但似乎无法将其绑定到触发器，只能绑定到按钮.

How to I access thematMenuTriggerFor on the notificaitonMenuBtn from typescript? I tried using a View Child (shown below) but I can't seem to bind it to the trigger, only to the button.

@ViewChild('notificationMenuBtn') notificationMenuBtn : MatMenuTrigger;
this.notificationMenuBtn.openMenu();

推荐答案

想通了.我只需要使用 MatMenuTrigger 而不是元素 id.

Figured it out. I just needed to use MatMenuTrigger instead of the element id.

@ViewChild(MatMenuTrigger) notificationMenuBtn: MatMenuTrigger;

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