public void VisibilityExpression(string expression, VisibilityExpressionTarget expressiontarget)
{
if (expressiontarget == VisibilityExpressionTarget.ExpressionTargetLabel)
{
_currentMapLayer.LabelsVisibilityExpression = expression;
}
else
{
_currentMapLayer.ShapesVisibilityExpression = expression;
}
if (OnVisibilityExpressionSet != null)
{
//fill up the event argument class with the layer item
LayerEventArg lp = new LayerEventArg(_currentMapLayer.Handle, expressiontarget, expression);
OnVisibilityExpressionSet(this, lp);
}
}
public void VisibilityExpression(string expression, VisibilityExpressionTarget expressiontarget)
{
var sf = (Shapefile)_currentMapLayer.LayerObject;
if (expressiontarget == VisibilityExpressionTarget.ExpressionTargetLabel)
{
_currentMapLayer.LabelsVisibilityExpression = expression;
sf.Labels.VisibilityExpression = expression;
}
else
{
_currentMapLayer.ShapesVisibilityExpression = expression;
sf.VisibilityExpression = expression;
}
MapControl.Redraw();
if (OnVisibilityExpressionSet != null)
{
//fill up the event argument class with the layer item
LayerEventArg lp = new LayerEventArg(_currentMapLayer.Handle, expressiontarget, expression);
lp.Shapefile = sf;
OnVisibilityExpressionSet(this, lp);
}
}
public LayerEventArg(int layerHandle, VisibilityExpressionTarget target, string visibilityExpression)
{
LayerHandle = layerHandle;
ExpressionTarget = target;
VisibilityExpression = visibilityExpression;
}
