📄 main.cpp
字号:
#include <windows.h>
#include <stdio.h>
int main()
{
HANDLE hDevice =
CreateFile("\\\\.\\HelloDDKB",
GENERIC_READ | GENERIC_WRITE,
0, // share mode none
NULL, // no security
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
NULL ); // no template
if (hDevice == INVALID_HANDLE_VALUE)
{
printf("Failed to obtain file handle to device "
"with Win32 error code: %d\n",
GetLastError() );
return 1;
}
DWORD dRet;
ReadFile(hDevice,NULL,0,&dRet,NULL);
CloseHandle(hDevice);
return 0;
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -