SetRegValue Key Value Data Type -- sets a registry value
::                               -- Key    [in]  - registry key
::                               -- Value  [in]  - registry value
::                               -- Data   [in]  - (optional) data
::                               -- Type   [in]  - (optional) data type, i.e.: REG_SZ, REG_MULTI_SZ, REG_DWORD_BIG_ENDIAN, REG_DWORD, REG_BINARY, REG_DWORD_LITTLE_ENDIAN, REG_NONE, REG_EXPAND_SZ
SETLOCAL
set Key=%~1
set Val=%~2
set Data=%~3
set Type=%~4
if "%Val%" NEQ "" set Val=/v "%Val%"
if "%Data%" NEQ "" set Data=/d "%Data%"
if "%Type%" NEQ "" set Type=/t %Type%
reg add "%Key%" %Val% %Type% %Data% /f>NUL
EXIT /b