- 1 year ago
C++ (Windows): Convert a virtual key code string representation ("VK_F6") to hexadecimal (0x75)
To convert a virtual key code string representation, such as "VK_F6", to its corresponding hexadecimal value (e.g., 0x75), you can use the MapVirtualKey
function from the Windows API. Here's an example in C++:
cpp#include <Windows.h>
#include <iostream>
#include <string>
int main()
{
std::string keyString = "VK_F6"; // Replace with your virtual key code string
// Convert the virtual key code string to a virtual key code
int keyCode = VkKeyScanA(keyString[3]) & 0xFF;
// Convert the virtual key code to hexadecimal representation
std::string hexValue = "0x" + std::to_string(keyCode);
std::cout << "Hexadecimal value: " << hexValue << std::endl;
return 0;
}
In this example, we use the VkKeyScanA
function to convert the last character of the key string (in this case, '6') to its virtual key code. Then, we use std::to_string
to convert the key code to a string and append the "0x" prefix to represent it in hexadecimal format.
Make sure to include the necessary headers (<Windows.h>
and <iostream>
) and link against the appropriate libraries when compiling the code.
Note: The code assumes ASCII character encoding (VkKeyScanA
). If you are using a different character encoding, you may need to use the wide-character version of the function (VkKeyScanW
) and work with wide strings.