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api:dk11:net:tatukgis.ndk.igis_viewer.invalidatetopmost_void

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IGIS_Viewer.InvalidateTopmost method

DK for .NET | TatukGIS.NDK.IGIS_Viewer.InvalidateTopmost | Methods | Properties

Invalidate only topmost layers.

Available also on: Delphi | Java | ActiveX | Python.

Syntax

// C#
public void InvalidateTopmost();
' VisualBasic
Public Sub InvalidateTopmost()
// Oxygene
public
  procedure InvalidateTopmost;

Remarks

USAGE: Force redraw of topmost visible layers only. Shallow refresh that doesn't update basemap layers. Use for efficient updates when only overlay layers changed.

gis.InvalidateTopmost()

2026/09/20 23:54

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