/// <summary>
/// Building chart expression
/// </summary>
private void btnChartExpression_Click(object sender, EventArgs e)
{
string s = txtChartExpression.Text;
frmQueryBuilder form = new frmQueryBuilder(_shapefile, _handle, s, false);
if (form.ShowDialog() == DialogResult.OK)
{
txtChartExpression.Text = form.Tag.ToString();
_shapefile.Charts.VisibilityExpression = txtChartExpression.Text;
btnApply.Enabled = true;
}
form.Dispose();
}
/// <summary>
/// Building layer visibility expression
/// </summary>
private void btnLayerExpression_Click(object sender, EventArgs e)
{
string s = txtLayerExpression.Text;
frmQueryBuilder form = new frmQueryBuilder(_shapefile, _layerHandle, s, false);
if (form.ShowDialog() == DialogResult.OK)
{
txtLayerExpression.Text = form.Tag.ToString();
_shapefile.VisibilityExpression = txtLayerExpression.Text;
RedrawMap();
}
form.Dispose();
}