How to convert CString to decimal value

Question

I want to convert Cstring to decimal value in mfc application.

This is my code looks like

CString keyvalue = _T("SHIFT");

for (int i = 0 ; i < keyvalue.Getlength(); i++)

{

int decvalue = keyvalue[i];

}

so now I got decvalue is 83 which is for S It is giving me decimal value for single character but not the entire string so I need entire string value like for shift decimal value is 16 so I want to get 16

someone please look into that

I have tried that above scenario but not able to get the decimal of whole string

Answer 1

Hi,

I found a similar thread: How to convert vk_shift value to decimal value?

Please check the document: Virtual-Key Codes

The value of the virtual key is defined by macro. You can use map to bind relationship between CString and decimal value.

#define VK_SHIFT 0x10

	std::map<CString, int > vk_key = {
			{  (CString)"SHIFT",VK_SHIFT}
	};


	CString keyvalue = _T("SHIFT");
	int vaule = vk_key[keyvalue];

Best regards,

Minxin Yu

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Answer 2

As far as I know there is no Windows API function that accepts the name of a key and returns the virtual-key code.

However, the GetKeyNameTextW function will return the name of a key associated with a scan code and the MapVirtualKeyExW function can return the scan code for a virtual-key code.