#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <QSettings>
#include <windows.h>
#include <qt_windows.h>
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
ui->setupUi(this);
}
MainWindow::~MainWindow()
{
delete ui;
}
void MainWindow::on_pushButton_clicked()
{
QString path = "HKEY_LOCAL_MACHINE\\HARDWARE\\DEVICEMAP\\SERIALCOMM";
QSettings *settings = new QSettings(path, QSettings::NativeFormat);
QStringList key = settings->allKeys();
QStringList comlist ;
QStringList Baudlist ;
comlist.clear();
/* 取串口名 */
for (int i=0; i<key.size(); i++) {
comlist << getcomm(i, "value");
}
ui->comboBox->addItems(comlist);
}
QString MainWindow::getcomm(int index, QString keyorvalue)
{
QString commresult;
HKEY hKey;
wchar_t keyname[256]; //键名数组
char keyvalue[256]; //键值数组
DWORD keysize,type,valuesize;
int indexnum;
if (::RegOpenKeyEx(HKEY_LOCAL_MACHINE, TEXT("HARDWARE\\DEVICEMAP\\SERIALCOMM"), 0, KEY_READ, &hKey) != 0) {
QString error="Cannot open regedit!";//无法打开注册表时返回error
return error;
}//if(::RegOpenKeyEx(HKEY_LOCAL_MACHINE,subkey,0,KEY_READ,&hKey)!=0)
QString keymessage;//键名
QString message;
QString valuemessage;//键值
indexnum = index;//要读取键值的索引号
keysize = sizeof(keyname);
valuesize = sizeof(keyvalue);
if (RegEnumValue(hKey, indexnum, keyname, &keysize, 0, &type, (BYTE*)keyvalue, &valuesize) == 0) { //列举键名和值
for (int i=0; i<(int)keysize; i++) {
message = keyname[i];
keymessage.append(message);
}
for (int j=0; j<(int)valuesize; j++) {
if (keyvalue[j] != 0x00) {
valuemessage.append(keyvalue[j]);
}
}
if (keyorvalue == "key") {
commresult = keymessage;
}
if (keyorvalue == "value") {
commresult=valuemessage;
}
} else {
commresult = "nokey";
}
RegCloseKey(hKey);//关闭注册表
return commresult;
}
