unit1.cpp

来自「本书《C++Builder与WindowsAPI经典范例》附含配套光盘包括132」· C++ 代码 · 共 25 行

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

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//- 2个取得子窗口的标准callback函数------------------------------------------
bool CALLBACK EnumProc(HWND, LPARAM);
bool CALLBACK EnumChildProc(HWND, LPARAM);
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
//漏斗状光标
Screen->Cursor = crHourGlass;
//在增加数据完毕前，先锁住更新画面
::LockWindowUpdate(Memo1->Handle);
//删除Memo1所有文字