TControl.Perform function

Member of TControlpublicIn unit Controls

Calls a message handler directly, bypassing the message queue.

Declaration

pascal

function Perform(Msg: Cardinal; WParam: WParam; LParam: LParam)
: LRESULT

Arguments

`Msg`	Control message constant for the message executed in the method.
`WParam`	Parameter with a handle or Integer value (not necessarily 16-bits any more).
`LParam`	Parameter with a Pointer to its value (not necessarily 32-bits any more).

Function result

Result value from the WindowProc routine.

Description

Perform is a method used to pass a message to the processing loop for the control.

Values in the Msg, WParam, and LParam arguments are stored in a TLMessage instance and passed as an argument to the routine in the WindowProc property. The return value is the LRESULT returned from the WindowProc routine.

TControl.Perform function

Declaration

Arguments

Function result

Description

See also