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api:dk11:delphi:fmx.gisviewerwnd.tgis_viewerwnd.visibleextentchangeevent

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TGIS_ViewerWnd.VisibleExtentChangeEvent event

DK11 for Delphi | FMX.GisViewerWnd.TGIS_ViewerWnd.VisibleExtentChangeEvent | Constructors | Methods | Properties | Events

VisibleExtentChange event. Will be fired before BeforePaint if TGIS_Viewer.VisibleExtent was changed. Will not be fired if TGIS_Viewer.VisibleExtent was changed based on changed Zoom - in such situation only ZoomChange will be fired.

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

Syntax

// Delphi
published
  property VisibleExtentChangeEvent : TNotifyEvent read write;
// C++ Builder
published:
  __property TNotifyEvent* VisibleExtentChangeEvent = {read, write};

Value

Type
TNotifyEvent
2018/05/18 01:09