type
TGroup=class(TcollectionItem)
private
FGroupID: string;
FGroupName: string;
FMajorGrade: TMajorGrade;
public
property GroupID:string ;
property GroupName:string ;
property MajorGrade:TMajorGrade ;
end;
var thegroup:Tgroup;
在程序中我要给对象成员Majorgrade的majorgradeid属性付值,应该怎么办,是否要
首先初始化majorgrade? 如何初始化。
TGroup=class(TcollectionItem)
private
FGroupID: string;
FGroupName: string;
FMajorGrade: TMajorGrade;
public
property GroupID:string ;
property GroupName:string ;
property MajorGrade:TMajorGrade ;
end;
var thegroup:Tgroup;
在程序中我要给对象成员Majorgrade的majorgradeid属性付值,应该怎么办,是否要
首先初始化majorgrade? 如何初始化。
public { constructors are always public }
constructor Create(AOwner: TComponent); override; { this syntax is always the same }
end;
...
constructor TGroup.Create(AOwner: TComponent); { this goes after implementation }
begin
inherited Create(AOwner); { ALWAYS do this first! }
FMajorGrade:=;//这里进行操作end;