C++Builder 窗体 不稳定的有关问题

C++Builder 窗体 不稳定的问题

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


#ifndef TEDIT_OK_CANCELH

#define TEDIT_OK_CANCELH

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

#include <Classes.hpp>

#include <Controls.hpp>

#include <StdCtrls.hpp>

#include <Forms.hpp>



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

enum E_OPENTESTWINDOW_RETURN

{

	E_OTWR_OK		= 0,

	E_OTWR_CANCEL	= 1,

};


extern E_OPENTESTWINDOW_RETURN RETURNINDEX;


class TEDIT_OK_CANCEL : public TForm

{

__published:	// IDE-managed Components

	TButton *Button1;

	TEdit *Edit1;

	TButton *Button2;

	void __fastcall OK(TObject *Sender);

	void __fastcall FormClose(TObject *Sender, TCloseAction &Action);

	void __fastcall Cancel(TObject *Sender);

	void __fastcall FormCreate(TObject *Sender);

	void __fastcall FormResize(TObject *Sender);

private:	// User declarations

public:		// User declarations

	__fastcall TEDIT_OK_CANCEL(TComponent* Owner);

};

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

extern PACKAGE TEDIT_OK_CANCEL *EDIT_OK_CANCEL;

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



//extern PACKAGE

E_OPENTESTWINDOW_RETURN OpenTestWindow( AnsiString &EditText,

		AnsiString Caption, TRect pos );


#endif

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

#include <memory>

#include <vcl.h>

#pragma hdrstop


#include "TEDIT_OK_CANCEL.h"

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

#pragma package(smart_init)

#pragma resource "*.dfm"

TEDIT_OK_CANCEL *EDIT_OK_CANCEL;


using std::auto_ptr;

static E_OPENTESTWINDOW_RETURN RETURNINDEX;

static AnsiString strTemp;

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

__fastcall TEDIT_OK_CANCEL::TEDIT_OK_CANCEL(TComponent* Owner)

	: TForm(Owner)

{

	RETURNINDEX = E_OTWR_CANCEL;

}

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

void __fastcall TEDIT_OK_CANCEL::OK(TObject *Sender)

{

	RETURNINDEX = E_OTWR_OK;

	this->Close();	

}

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


void __fastcall TEDIT_OK_CANCEL::Cancel(TObject *Sender)

{

	RETURNINDEX = E_OTWR_CANCEL;

	this->Close();

}

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


void __fastcall TEDIT_OK_CANCEL::FormClose(TObject *Sender,

      TCloseAction &Action)

{

	//Action = caFree;

	strTemp = this->Edit1->Text;

}

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

	//this->ClientWidth	= Edit1->Width	+ 10;

	//this->ClientHeight	= Edit1->Height	+ Button1->Height + 15;


void __fastcall TEDIT_OK_CANCEL::FormResize(TObject *Sender)

{

/*

	this->Edit1->Left = 5;

	this->Edit1->Top = 5;	

	this->Button1->Left = 5;

	this->Edit1->Show();

	this->Button1->Show();

//*/

}


void __fastcall TEDIT_OK_CANCEL::FormCreate(TObject *Sender)

{

	Invalidate();

}

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



E_OPENTESTWINDOW_RETURN OpenTestWindow( AnsiString &EditText,

		AnsiString Caption, TRect pos )

{

	auto_ptr<TEDIT_OK_CANCEL> p( new TEDIT_OK_CANCEL( NULL ) );


	p->Caption = Caption;

	p->Edit1->Text = EditText;

	//p->Position = poDesktopCenter;

	//p->Button2->Hide();


	p->FormResize( NULL );


	//p->Top	= pos.Top	+ (( pos.Height() - p->Height )>0?( pos.Height() - p->Height ):0)/2;

	//p->Left	= pos.Left	+ (( pos.Width() - p->Width )>0?( pos.Width() - p->Width ):0)/2;


	p->ShowModal();

	EditText = strTemp;

	return RETURNINDEX;

}

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

// 调用时 

	AnsiString anStrTest = "123";

	OpenTestWindow( anStrTest, "123", TRect( 0, 0, 1, 2 ) );

使用时 却发现

不正常的情况1

不正常的情况2

这是正常的 控件排布

而且 即便是 第二种情况
他也能响应回车，也就是说 按钮 应该是 存在