DynaForm.pas
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上传日期:2022-07-23
资源大小:1959k
文件大小:1k
源码类别:
Delphi控件源码
开发平台:
Delphi
- unit DynaForm;
- interface
- uses
- SysUtils, Windows, Messages, Classes, Graphics, Controls,
- Forms, Dialogs, StdCtrls, Spin;
- type
- TForm1 = class(TForm)
- Button1: TButton;
- Edit1: TEdit;
- Label1: TLabel;
- SpinEdit1: TSpinEdit;
- Label2: TLabel;
- procedure Button1Click(Sender: TObject);
- private
- { Private declarations }
- public
- { Public declarations }
- end;
- var
- Form1: TForm1;
- implementation
- {$R *.DFM}
- type
- TIntFunction = function (I: Integer): Integer; stdcall;
- const
- DllName = 'Firstdll.dll';
- procedure TForm1.Button1Click(Sender: TObject);
- var
- HInst: THandle;
- FPointer: TFarProc;
- MyFunct: TIntFunction;
- begin
- HInst := SafeLoadLibrary (DllName);
- if HInst > 0 then
- try
- FPointer := GetProcAddress (HInst,
- PChar (Edit1.Text));
- if FPointer <> nil then
- begin
- MyFunct := TIntFunction (FPointer);
- SpinEdit1.Value := MyFunct (SpinEdit1.Value);
- end
- else
- ShowMessage (Edit1.Text + ' DLL function not found');
- finally
- FreeLibrary (HInst);
- end
- else
- ShowMessage (DllName + ' library not found');
- end;
- end.