以下是一个使用C++编写的测试WTSVirtualChannelQuery接口的示例代码：
#include <windows.h>
#include <wtsapi32.h>
#include <iostream>
int main()
{
// 获取当前会话ID
DWORD sessionId = WTSGetActiveConsoleSessionId();
// 连接到终端服务
HANDLE serverHandle = WTSOpenServerA(nullptr);
if (serverHandle == nullptr)
{
std::cout << "Failed to connect to the terminal server." << std::endl;
return 1;
}
// 获取通道句柄
PWTS_CHANNEL_INFOW channelInfo;
DWORD numChannels = 0;
if (!WTSEnumerateChannelsW(serverHandle, sessionId, 1, &channelInfo, &numChannels))
{
std::cout << "Failed to enumerate channels." << std::endl;
WTSCloseServer(serverHandle);
return 1;
}
// 遍历通道信息并输出
for (DWORD i = 0; i < numChannels; ++i)
{
std::wcout << "Channel Name: " << channelInfo[i].pChannelName << std::endl;
std::wcout << "Virtual Channel Instance: " << channelInfo[i].VirtualClass == WTSVirtualClientData ? L"Client Data" : L"Undefined" << std::endl;
// 查询通道状态
ULONG resultLength = 0;
PBYTE buffer = nullptr;
if (WTSVirtualChannelQuery(channelInfo[i].hChannelHandle, WTSVirtualChannelInfo, &buffer, &resultLength))
{
PWTS_VIRTUALCHANNEL_CONFIGURATION channelConfig = reinterpret_cast<PWTS_VIRTUALCHANNEL_CONFIGURATION>(buffer);
if (channelConfig != nullptr)
{
std::wcout << "Channel Options: " << channelConfig->dwFlags << std::endl;
// 其他通道配置信息
}
WTSFreeMemory(buffer);
}
else
{
std::cout << "Failed to query channel information." << std::endl;
}
}
// 释放资源
WTSFreeMemory(channelInfo);
WTSCloseServer(serverHandle);
return 0;
}
请注意，这是一个简单的示例代码，你需要确保已经正确链接Wtsapi32.lib，并根据实际需求进行修改。
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