API:Vcl.Taskbar.TTaskbar.OnWindowPreviewItemRequest

• Up to Parent: TTaskbar

Delphi

property OnWindowPreviewItemRequest: TWindowPreviewItemRequestEvent read FOnWindowPreviewItemRequest write FOnWindowPreviewItemRequest;

C++

__property OnWindowPreviewItemRequest;

Properties

Type	Visibility	Source	Unit	Parent
event	published	Vcl.Taskbar.pas Vcl.Taskbar.hpp	Vcl.Taskbar	TTaskbar

Description

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

Vcl.Taskbar.TTaskbar.OnWindowPreviewItemRequest inherits from Vcl.Taskbar.TCustomTaskbar.OnWindowPreviewItemRequest. All content below this line refers to Vcl.Taskbar.TCustomTaskbar.OnWindowPreviewItemRequest.

Occurs when the system requires the window preview of 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 window preview.
• Position is an offset value to render the window preview in the screen.
• PreviewBitmap is the graphical image that contains the window preview.

See Also

• Vcl.Taskbar.TWindowPreviewItemRequestEvent
• System.Win.TaskbarCore.TTaskbarBase.TabProperties
• System.TObject
• Vcl.Graphics.TBitmap