unit2.cpp

本书《C++Builder与WindowsAPI经典范例》附含配套光盘包括132个WindowsAPI函数及206个完整、可执行的实例

//---------------------------------------------------------------------------
//目的：按下Ctrl+Tab 键，即可依次调用子窗口取得焦点，并显示到最前面
//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "Unit2.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//默认快捷键信息常数值---------------------------------------------------------
const int ID = WM_USER + 100;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
//让Form1美观，突显子窗口
Color = (TColor)RGB(255,255,200);
//Form1的Tag属性，用来切换子窗口的变量
Tag = 1;
//将Form1型态变成可拥有子窗口的母窗口
FormStyle = fsMDIForm;
//给这个线程登录快捷键
//按下Ctrl+Tab 键，即可调用子窗口取得焦点，并显示到最前面