Qt：Windows编程—Qt实现注册表启动项管理 示例代码

#include "widget.h" #include "ui_widget.h" Widget::Widget(QWidget *parent) : QWidget(parent), ui(new Ui::Widget) { ui->setupUi(this); // 设置表格 ui->tableWidget->horizontalHeader()->setStretchLastSection(true); ui->tableWidget->setColumnWidth(0, 100); ui->tableWidget->setColumnWidth(1, 200); ui->tableWidget->setContextMenuPolicy(Qt::CustomContextMenu); //遍历 注册表下的启动项，这里我们将枚举注册表中的 //"HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run"子键下的键值项 if(ERROR_SUCCESS != RegOpenKeyExA(HKEY_LOCAL_MACHINE, "Software\\Microsoft\\Windows\\CurrentVersion\\Run\\", 0, KEY_ALL_ACCESS,&mRunKey)){ qDebug() << "注册表打开失败"; return; } refreshTable(); } void Widget::refreshTable(){ // 清空表格 int row = ui->tableWidget->rowCount(); for( int i = 0; i < row; i++){ ui->tableWidget->removeRow(0); } unsigned long i = 0; char name[1024] = {0}; BYTE data[1024] = {0}; unsigned long nameLen = 1024; unsigned long dataLen = 1024;//DWORD = unsigned long // ui->tableWidget-> LSTATUS lRet; while(true){ lRet = RegEnumValueA(mRunKey,i,name,&nameLen,nullptr,nullptr,data,&dataLen); if(lRet == ERROR_NO_MORE_ITEMS) break; qDebug() << "i = " << i; ui->tableWidget->insertRow(0); ui->tableWidget->setItem(0,0,new QTableWidgetItem(name)); ui->tableWidget->setItem(0,1,new QTableWidgetItem((char*)data)); i++; } } Widget::~Widget() { // 关闭注册表句柄 RegCloseKey(mRunKey); delete ui; } void Widget::on_exitButton_clicked() { this->close(); } void Widget::on_addButton_clicked() { mAddStart = new AddStart(); connect(mAddStart,&AddStart::addDone,this,[=](){ this->refreshTable(); }); mAddStart->show(); } void Widget::on_delButton_clicked() { int row = this->ui->tableWidget->currentRow(); QString key = this->ui->tableWidget->item(row,0)->text(); LSTATUS lRet; lRet = RegDeleteValueA(mRunKey,key.toStdString().c_str()); if(ERROR_SUCCESS != lRet){ qDebug() << "删除启动项失败"; return; } refreshTable(); }