Close a Registry handle.

call CloseReg(RegHandle_IV) 

Delete a value from the Registry.

call DeleteRegValue(RegHandle_IV, ValueName_SV) 

Open a registry key.

call OpenReg(RegHandle_IV, Key_IV, SubKey_SV, AccessMode_SV) 

Read a specified number value from the registry into an integer variable.

call ReadRegNumber(RegHandle_IV, ValueName_SV, TargetVariable_IV) 

Read a specified string or binary value from the registry into a string variable.

call ReadRegString(RegHandle_IV, ValueName_SV, TargetVariable_SV)

Create or Update a registry specified binary registry entry from an ESL string.

call WriteRegBinary(RegHandle_IV, ValueName_SV, SourceVariable_SV) 

Create or Update a registry specified numeric registry entry from an integer.

call WriteRegNumber(RegHandle_IV, ValueName_SV, SourceVariable_IV)

Create or Update a registry specified string registry entry from an ESL string.

call WriteRegString(RegHandle_IV, ValueName_SV, SourceVariable_SV)