Member variable XbpWindow():controlState Foundation
Determines the current state of the object.
:controlState determines the current state of the Xbase Part. The following states are recognized by the XbpWindow class:
| Constant | Description |
|---|---|
| XBP_STATE_AUTO | Transient state, see below |
| XBP_STATE_NORMAL | Normal or default state of the object |
| XBP_STATE_HOT | Object is being pointed at using the mouse |
| XBP_STATE_PRESSED | Object is being selected/clicked upon |
| XBP_STATE_DISABLED | Object is currently disabled |
The standard control states listed above are mutually exclusive. In other words, if a push button is being clicked upon, :ControlState contains the value XBP_STATE_PRESSED. Assigning a value to :controlStateactivates the corresponding state until another value is assigned to the instance variable. The special constant XBP_STATE_AUTO instructs the Xbase Part to automatically synchronize the value in :ControlState with the actual state the object is in. XBP_STATE_AUTO can only be assigned to the member variable. The constant is never returned when reading the value of the member variable.
The value in :ControlState is informational and is not used by the XbpWindow class. The instance variable is provided for usage in Xbase Part classes derived from XbpWindow, especially with the owner-drawing protocol supported by class XbpListbox or XbpPushbutton. The effects of changing the value in :ControlState hence depend upon the respective Xbase Part being used.
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