如何使用formControl禁用单个按钮?

如果未选中任何复选框,则必须禁用此按钮。

<button (click) = "onDeleteSelected()" [disabled] = "mflagDisableMoveTo.value"> Delete selected </button>

In typescript I have:
mflagDisableMoveTo = new FormControl( { value: 'true' } )

此表单控件不是任何formGroup的一部分。

Where am I supposed to put [formControl] = "mflagDisableMoveTo" in the above HTML code?

How to use formControl to disable an individual button?