Following are the functions used to create and manage dialog boxes and controls within dialog boxes.
CreateDialog
CreateDialogIndirect
CreateDialogIndirectParam
CreateDialogParam
DefDlgProc
DialogBox
DialogBoxIndirect
DialogBoxIndirectParam
DialogBoxParam
DialogProc
EndDialog
GetDialogBaseUnits
GetDlgCtrlID
GetDlgItem
GetDlgItemInt
GetDlgItemText
GetNextDlgGroupItem
GetNextDlgTabItem
IsDialogMessage
MapDialogRect
MessageBox
MessageBoxEx
SendDlgItemMessage
SetDlgItemInt
SetDlgItemText
MessageBoxIndirect