The ComponentCount property or DelphiVCL.Application.ComponentCount is used to indicate the number of components owned by the component.
Use the ComponentCount property to determine the number of components owned by a component, for example, when iterating through the components list to perform an action on all owned components. The ComponentCount property equals the number of items in the…
The ComObject property or DelphiVCL.Application.ComObject is used to specify the interface reference implemented by the component.
Use ComObject to assign a COM interface implemented by a component to an interface reference. This property is used by components that…
The ClassType method or DelphiVCL.Application.ClassType is used to return the class reference for the object’s class.
Note: ClassType dynamically determines the type of an object and returns its class reference, or metaclass.
Avoid using ClassType in…
The ClassName method or DelphiVCL.Application.ClassName is used to return a string indicating the type of the object instance (as opposed to the type of the variable passed as an argument).
Use ClassName to obtain the class name from an object instance or class reference. This is useful for differentiating object instances that are assigned to a variable that has the type of an ancestor…
The ClassInfo method or DelphiVCL.Application.ClassInfo is used to return a pointer to the run-time type information (RTTI) table for the object type.
ClassInfo provides access to the RTTI table for a given object type.
Some classes do not provide run-time type…
The CancelHint method or DelphiVCL.Application.CancelHint is used to cancel the display of a hint for a control.
Applications rarely, if ever, call CancelHint directly. CancelHint is used internally to cancel the display of hints at appropriate times, such as when a…
BiDiMode property or DelphiVCL.Application.BiDiMode is used to indicate the layout of the application when running under Middle Eastern versions of Windows.
Use BiDiMode to specify the bi-directional mode for the application. The bi-directional mode controls the direction in which text appears (left-to-right or right-to-left), the placement of vertical scroll bars, and the default alignment…
BiDiKeyboard property or DelphiVCL.Application.BiDiKeyboard is used to specify the name of the keyboard map that should be used in middle-east locales when text reads from right to left.
This name is a string composed of the hexadecimal value of the language…
BeginInvoke method or DelphiVCL.Application.BeginInvoke is used to perform an asynchronous call to the method specified by either AProc or AFunc.
The AContext parameter specifies the context where the method executes in. This context corresponds to the main thread. In…
BeforeDestruction method or DelphiVCL.Application.BeforeDestruction is used to respond before the first destructor executes.
BeforeDestruction is called automatically before the object’s first destructor executes. Do not call it explicitly in your applications.
The BeforeDestruction method implemented in TObject does nothing. Override this method when creating a class that…
