api:dk11:java:tatukgis.jdk.tgis_layervector.drawscope_string_string
Table of Contents
TGIS_LayerVector.DrawScope method
DK11 for Java | tatukgis.jdk.TGIS_LayerVector.DrawScope | Constructors | Fields | Methods | Properties | Events
Draws only shapes that meet a scope criterion.
Syntax
// Java public bool DrawScope( java.lang.String _query, java.lang.String _style );
// Oxygene public function DrawScope( _query : String; _style : String ) : Boolean;
Parameters
| Name | Type | Description |
|---|---|---|
| _query | java.lang.String String | Query closely mimics the SQL WHERE clause |
| _style | java.lang.String String | Name of the style to be used. If Empty, default style will be used. |
Result
| Type | Description |
|---|---|
| bool Boolean | True if something was drawn. |
Remarks
Use this method to draw only shapes that meet a scope criteria.
This operation can only be used in the context of the renderer, i.e. only inside handlers of the following events: BeforePaint, BeforePaintRenderer, PaintLayer, PaintExtra, AfterPaintRenderer, AfterPaint.
2020/12/18 01:13