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api:dk11:java:tatukgis.jdk.tgis_layervector.drawex_tgis_extent

Table of Contents

TGIS_LayerVector.DrawEx method

DK11 for Java | tatukgis.jdk.TGIS_LayerVector.DrawEx | Constructors | Fields | Methods | Properties | Events

Draws a layer within a defined extent.

Available also on: Delphi | .NET.

Overrides TGIS_Layer.DrawEx.

Syntax

// Java
public bool DrawEx(
  TGIS_Extent _extent
);
// Oxygene
public
  function DrawEx(
    _extent : TGIS_Extent
  ) : Boolean; override;

Parameters

Name Type Description
_extent TGIS_Extent extent to be drawn

Result

Type Description
bool
Boolean
True if draw was performed

Remarks

Use this method to draw a layer. Normally called by Paint.

When using this operation, never call any function which uses FindFirst..FindNext (any function which iterates through the shapes using it - so never use inside an operation like Locate, PaintScope etc.).

See Paint for example.

2020/05/07 01:13