unit1.cpp

<<C++Builder 6实用编程100例>>随书光盘

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Open1Click(TObject *Sender)
{
        OpenDialog1->DefaultExt="AVI";
        OpenDialog1->Filter="AVI文件(*.avi)|*.avi";
        if(OpenDialog1->Execute())
        {
                MediaPlayer1->FileName=OpenDialog1->FileName;
                MediaPlayer1->Display=Panel1;
                MediaPlayer1->Open();
                Timer1->Enabled=false;
                TrackBar1->Min=0;
                TrackBar1->Max=MediaPlayer1->Length;
                TrackBar1->Position=0;
                Caption=OpenDialog1->FileName+" - Video Player";
        }
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Exit1Click(TObject *Sender)
{
        if(MediaPlayer1->Mode==mpPlaying)
        {
                MediaPlayer1->Stop();
                MediaPlayer1->Close();
        }
        Form1->Close();
}
//---------------------------------------------------------------------------

void __fastcall TForm1::MediaPlayer1Click(TObject *Sender,
      TMPBtnType Button, bool &DoDefault)
{
        Timer1->Enabled=true;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::Timer1Timer(TObject *Sender)
{
        TrackBar1->Position=MediaPlayer1->Position;
}
//---------------------------------------------------------------------------