Desktop Application Object - ControlAtPoint Method

Returns the control at the specified location

Member of Desktop Application Object (PRIM_APPL)

Parameters

Name

Type

Data Type

Description

Control

*Result (Optional)

PRIM_CTRL

Control in which to search

Left

*Input (Optional)

Integer

Left position in pixels

Top

*Input (Optional)

Integer

Top position in pixels

ControlPart

*Output (Optional)

PRIM_OBJT

Reference to the Control at the specified point

Details

The ControlAtPoint property returns a reference to the control currently under the mouse pointer.

Example


In this example, when the hover event fires on the panel, ControlAtPoint is used to determine the control currently under the mouse.

     Function Options(*DIRECT)
Begin_Com Role(*EXTENDS #PRIM_FORM) Clientheight(172) Clientwidth(364) Height(211) Left(137) Top(198) Width(380)

Define_Com Class(#PRIM_VS.Style) Name(#Style1) Backgroundbrush(#Brush1)
Define_Com Class(#PRIM_VS.SolidBrush) Name(#Brush1) Color(Theme100)

Define_Com Class(#PRIM_PANL) Name(#Panel) Displayposition(1) Left(16) Parent(#COM_OWNER) Tabposition(1) Tabstop(False) Top(15) Height(146) Width(337) Style(#Style1)
Define_Com Class(#PRIM_PHBN) Name(#Button1) Caption('Button1') Displayposition(1) Left(28) Parent(#Panel1) Tabposition(1) Top(32)
Define_Com Class(#PRIM_PHBN) Name(#Button2) Caption('Button2') Displayposition(2) Left(128) Parent(#Panel1) Tabposition(2) Top(32)
Define_Com Class(#PRIM_PHBN) Name(#Button3) Caption('Button3') Displayposition(3) Left(224) Parent(#Panel1) Tabposition(3) Top(32)

Evtroutine Handling(#Panel.MouseHover)

#Com_owner.Caption := #sys_appln.ControlAtPoint.Name

Endroutine

End_Com


See also

All Component Classes

Technical Reference

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