api:dk11:delphi:fmx.gisviewerwnd.tgis_viewerwnd.busyprepare_tobject_string
Table of Contents
TGIS_ViewerWnd.BusyPrepare method
DK11 for Delphi | FMX.GisViewerWnd.TGIS_ViewerWnd.BusyPrepare | Constructors | Methods | Properties | Events
Prepare BusyEvent for long-term operation.
Available also on: .NET WinForms | Java | ActiveX | Python.
Syntax
Implements IGIS_Viewer.BusyPrepare.
// Delphi public procedure BusyPrepare( _sender : TObject; _text : String );
// C++ Builder public: void BusyPrepare( TObject* _sender, UnicodeString _text );
Parameters
| Name | Type | Description |
|---|---|---|
| _sender | TObject | component which is causing long-term operations |
| _text | String | text to appear in a BusyText property; predefined GIS_BUSY_NOEVENTS and GIS_BUSY_NOHOURGLASS could be used to define "silent" busy state; in such state BusyEvent will not be called and, in a case of GIS_BUSY_NOHOURGLASS, hourglass will not be displayed and check for interrupt as well. |
Remarks
Do not use during OnPaint event directly. Must be paired with BusyRelease. The actual state can be obtained from IsBusy property.
2022/11/16 01:14