2.2.5.3.7 Registry::SetValue

SetValue

1 Description
2 Syntax
3 Parameters
4 Return
5 Examples
6 Remark
7 See Also
8 Header to Include

Description

Sets the data for the default or unnamed value of a specified registry key. The data must be a text string.

Sets the data for a specified value name associated with a subkey.

Sets the data for the default or unnamed value of a specified registry key.

Syntax

void SetValue( LPCSTR lpSubKey, LPCSTR lpValueName, LPCSTR lpValue )

void SetValue( LPCSTR lpSubKey, LPCSTR lpValueName, DWORD dwValue )

void SetValue( LPCSTR lpSubKey, LPCSTR lpValueName, LPBYTE lpData, DWORD dwType, DWORD dwcbData )

Parameters

lpSubKey: Pointer to a null-terminated string containing the name of the subkey.; If the lpSubKey does not exist, it will be created there
lpValueName: Pointer to a string containing the name of the value,; If lpszValueName is supplied, the name value pair lpszValueName = lpszValue will be created for the key.; If lpszValueName is NULL, the default value of the lpSubKey will be set to lpszValue.
lpValue: Pointer to a null-terminated string containing the data to set for the default value of the specified key.

lpSubKey: Pointer to a null-terminated string containing the name of the subkey to open.
lpValueName: Pointer to a string containing the name of the value to set.
dwValue: a unsigned int value

lpSubKey: Pointer to a null-terminated string containing the name of the subkey.; If the lpSubKey does not exist, it will be created there
lpValueName: Pointer to a string containing the name of the value,; If lpszValueName is NULL, the default value of the lpSubKey will be set to lpszValue.
lpData: Pointer to a buffer containing the data to be stored with the specified value name.
dwType: Specifies a code indicating the type of data pointed to by the lpData parameter.
dwcbData: Specifies the size of the information pointed to by the lpData parameter, in bytes.

Return

Examples

EX1

void Registry_SetValue_ex1()
{
    string strLabel = "Test";
    Registry myRegAccess(HKEY_CLASSES_ROOT);
    if( myRegAccess.HasKey("a\\b\\c") )
        myRegAccess.SetValue("a\\b\\c", "Label", strLabel);
}

EX2

void Registry_SetValue_ex2()
{
    Registry myRegAccess(HKEY_CLASSES_ROOT);
    if( myRegAccess.HasKey("a\\b\\c") )
        myRegAccess.SetValue("a\\b\\c", "Control", 12345);
}

EX3

void Registry_SetValue_ex3()
{
    Registry myRegAccess(HKEY_CURRENT_USER);
       vector<byte> vb = {43, 44, 45, 46, 47, 48, 49, 0};
       DWORD dwType = REG_BINARY;
       DWORD dwNumBytes = 8;
   
       if( myRegAccess.HasKey("a\\b\\c") )
          myRegAccess.SetValue("a\\b\\c", "Place1", vb, dwType, dwNumBytes);
}