DK11 for Python | tatukgis.pdk.TGIS_ViewerWnd.BusyPrepare | Constructors | Methods | Properties | Events
Prepare BusyEvent for long-term operation.
Available also on: Delphi FMX | .NET WinForms | Java | ActiveX.
Implements IGIS_Viewer.BusyPrepare.
# Python def BusyPrepare( self, _sender: TObject, _text: str ) -> None:
Name | Type | Description |
---|---|---|
_sender | TObject | component which is causing long-term operations |
_text | str | 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. |
Do not use during OnPaint event directly. Must be paired with BusyRelease. The actual state can be obtained from IsBusy property.