InflateRect
InitAtomTable
InsertMenu
IntersectClipRect
IntersectRect
InvalidateRect
InvertRect
InvertRgn
IsBadCodePtr
IsBadHugeReadPtr
IsBadHugeWritePtr
IsBadReadPtr
IsBadStringPtr
IsBadWritePtr
IsCharAlpha
IsCharAlphaNumeric
IsCharLower
IsCharUpper
IsChild
IsClipboardFormatAvailable
IsDialogMessage
IsDlgButtonChecked
IsIconic
IsMenu
IsRectEmpty
IsWindow
IsWindowEnabled
IsWindowUnicode
IsWindowVisible
IsZoomed