DELPHI动态创建删除FRAME---示例源码

DELPHI动态创建删除FRAME unit Unit2; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls, ExtCtrls,FM; type TForm2 = class(TForm) Panel1: TPanel; Button2: TButton; ScrollBox1: TScrollBox; procedure Button2Click(Sender: TObject); private { Private declarations } public { Public declarations } end; type TFM = Array Of TFrame1; var Form2: TForm2; aFM: TFM; procedure DeleteArrItem(var arr: TFM ; Index: Integer);stdcall; implementation {$R *.dfm} procedure DeleteArrItem(var arr: TFM ; Index: Integer); var Count: Cardinal; i:integer; begin Count := Length(arr); if (Count = 0) or (Index < 0) or (Index >= Count) then Exit; Move(arr[Index+1], arr[Index], (Count-Index)* SizeOf(arr[0])); SetLength(arr, Count - 1); for I := 0 to Length(arr) - 1 do begin arr[i].Label1.Caption:=inttostr(i); end; end; procedure TForm2.Button2Click(Sender: TObject); var fram:TFrame1; begin SetLength(aFM,length(aFM)+1); aFM[length(aFM)-1] :=TFrame1.Create(nil) ; fram:=aFM[length(aFM)-1]; fram.Label1.Caption:=inttostr(length(aFM)-1); fram.Parent:=ScrollBox1; end; end. unit fm; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, StdCtrls; type TFrame1 = class(TFrame) GroupBox1: TGroupBox; Label1: TLabel; Button1: TButton; procedure Button1Click(Sender: TObject); private { Private declarations } public { Public declarations } end; implementation uses unit2; {$R *.dfm} procedure TFrame1.Button1Click(Sender: TObject); begin DeleteArrItem(aFM,strtoint(label1.Caption)); ( Sender as Tbutton ).Parent.Parent.Destroy; end; end.