main.cpp

C++ Builder 6 编程实例教程-北京希望电子出版社出版

//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "Main.h"
#include "About.h"
//---------------------------------------------------------------------------
#pragma resource "*.dfm"
TMainForm *MainForm;
//---------------------------------------------------------------------------

__fastcall TMainForm::TMainForm(TComponent *Owner)
	: TForm(Owner)
{
}
//---------------------------------------------------------------------------

void __fastcall TMainForm::CreateMDIChild(String Name)
{
	TMDIChild *Child;

	//--- create a new MDI child window ----
	Child = new TMDIChild(Application);
	Child->Caption = Name;
	if (FileExists (Name))
		Child->Memo1->Lines->LoadFromFile(Name);
}
//---------------------------------------------------------------------------

void __fastcall TMainForm::FileNew1Execute(TObject *Sender)
{
	CreateMDIChild("NONAME" + IntToStr(MDIChildCount + 1));
}
//---------------------------------------------------------------------------

void __fastcall TMainForm::FileOpen1Execute(TObject *Sender)
{
	if (OpenDialog->Execute())
		CreateMDIChild(OpenDialog->FileName);
}
//---------------------------------------------------------------------------

void __fastcall TMainForm::HelpAbout1Execute(TObject *Sender)
{
	AboutBox->ShowModal();
}
//---------------------------------------------------------------------------

void __fastcall TMainForm::FileExit1Execute(TObject *Sender)
{
	Close();
}
//---------------------------------------------------------------------------

void __fastcall TMainForm::FormCreate(TObject *Sender)
{
OpenDialog->Title="请选择一个文本文件:";
//设置对话框标题
OpenDialog->InitialDir="c:\pwin98";
//设置对话框缺省标题
OpenDialog->Filter="All files(*.*)|*.*|Text files(*.txt)|*.txt";
//设置文件过滤器

}
//---------------------------------------------------------------------------