Question

delphi ComboBox ComboBox是灰色的，点击一个按钮，ComboBox变得可以点击，点击另一个按钮，变得可以点

ComboBox的Enable属性，点击一个按钮，Enable变成Ture，点击另一个，Enable变成False。

Answer 1

type
TForm1 = class(TForm)
ComboBox1: TComboBox;
Button1: TButton;
Button2: TButton;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;

implementation

{$R *.dfm}
procedure TForm1.Button1Click(Sender: TObject);
begin
combobox1.Enabled :=true;
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
combobox1.Enabled :=false;
end;

Answer 2

话没说完，没明白你什么意思