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63 Component Input from Componentselector template `where child` ChildComponent Input where string Component ViewChild AfterViewChecked from ChildComponent from Component selector template ` button clickToggle view childbutton childcmp ngIf wherechildcmp` directives ChildComponent ParentComponent AfterViewChecked ViewChildChildComponent viewChild ChildComponent showView constructor console... console.. ngAfterViewChecked console. .. private getMessagecmp ChildComponent string cmp cmp. Component from ParentComponent from Component directives ParentComponent selector template ` parentcmpparentcmp ` AppComponent