| AEffGUIEditor | |
| CAnimKnob | Bitmap knob control |
| CAttributeListEntry | |
| CAutoAnimation | |
| CBitmap | Encapsulates various platform depended kinds of bitmaps |
| CColor | |
| CControl | Base class of all VSTGUI controls |
| CControlListener | |
| CCView | |
| CDragContainer | |
| CDrawContext | A drawing context encapsulates the drawing context of the underlying OS. It implements the drawing functions |
| CFileSelector | |
| CFrame | The CFrame is the parent container of all views |
| CHorizontalSlider | Horizontal slider control |
| CHorizontalSwitch | Horizontal switch control |
| CKickButton | |
| CKnob | Knob control |
| CMovieBitmap | Bitmap control that displays different bitmaps according to its current value |
| CMovieButton | Bi-states button with 2 subbitmaps |
| COffscreenContext | A drawing device which uses a pixmap as its drawing surface |
| COnOffButton | Button control with 2 states |
| COptionMenu | Popup menu control |
| COptionMenuScheme | |
| CParamDisplay | Parameter display control |
| CPoint | |
| CRect | |
| CReferenceCounter | |
| CRockerSwitch | Switch control with 3 sub bitmaps |
| CScrollbar | Scrollbar control |
| CScrollContainer | |
| CScrollView | Scrollable view |
| CSlider | Slider control |
| CSpecialDigit | Special display with custom numbers (0...9) |
| CSplashScreen | |
| CSplashScreenView | |
| CTabButton | |
| CTabChildView | |
| CTabView | Tab view |
| CTextEdit | Text edit control |
| CTextLabel | Text label |
| CVerticalSlider | Vertical slider control |
| CVerticalSwitch | Vertical switch control |
| CView | |
| CViewContainer | Container Class of CView objects |
| CVuMeter | |
| ERect | |
| IScrollbarDrawer | |
| PluginGUIEditor | |
| VstFileSelect | |
| VstFileType | |
| VstKeyCode |