일반 유틸리티 함수
DGEnableToolTips
DGDisableToolTips
DGIsToolTipsEnabled
DGRegisterAdditionalHelpLocation
DGUnregisterAdditionalHelpLocation
DGGetDynamicHelpStrings
DGDisplayContextHelp
DGShowContextHelpWithAnchor
DGSetEditUpdateDelay
DGGetEditUpdateDelay
DGRetrieveUserDataFromRegistry
DGFontTypeToFont
DGFontTypeToNameAndSize
