Vcl.Taskbar.TCustomTaskbar.OnThumbPreviewRequest

From RAD Studio API Documentation
Jump to: navigation, search

Delphi

property OnThumbPreviewRequest: TThumbPreviewItemRequestEvent read FOnThumbPreviewRequest write FOnThumbPreviewRequest;

C++

__property TThumbPreviewItemRequestEvent OnThumbPreviewRequest = {read=FOnThumbPreviewRequest, write=FOnThumbPreviewRequest};

Properties

Type Visibility Source Unit Parent
event public
Vcl.Taskbar.pas
Vcl.Taskbar.hpp
Vcl.Taskbar TCustomTaskbar

Description

Occurs when the system requires a thumb preview of the Windows task bar.

Note: This event can be triggered when the customized preview property is set to True.

This event provides the following arguments to its event handler:

  • Sender is the TObject that requires the thumb preview.
  • APreviewHeight is the height value of the thumb preview in the application Windows task bar.
  • APreviewWidth is the width value of the thumb preview in the application Windows task bar.
  • PreviewBitmap is the graphical image that contains the thumb preview.

See Also