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TGIS_ViewerWnd.BusyPrepare method

DK11 for Java | tatukgis.jdk.TGIS_ViewerWnd.BusyPrepare | Constructors | Methods | Properties | Events

Prepare OnBusy event for long-term operation.

Available also on: Delphi FMX | Delphi VCL | .NET WinForms | .NET WPF.


// Java
public void BusyPrepare(
  TObject _sender,
  java.lang.String _text
// Oxygene
  procedure BusyPrepare(
    _sender : TObject;
    _text : String


Name Type Description
_sender TObject component which is causing long-term operations
_text java.lang.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 OnBusy event 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.

2017/09/04 11:22