private void RemoveTheme()
{
MessageBoxButtons buttons = MessageBoxButtons.YesNo;
DialogResult result;
try
{
if (_themedFeatureLayer != null)
{
FeatureStyleModifier modifier = _themedFeatureLayer.Modifiers["theme1"];
if (modifier != null)
{
result = System.Windows.Forms.MessageBox.Show(this, "Removing Theme : " + modifier.Name, "ThemeDialogSampleApp", buttons);
if (result == DialogResult.Yes)
{
_themedFeatureLayer.Modifiers.Remove(modifier);
mapControl1.Map.Invalidate();
}
}
}
ObjectThemeLayer thmLayer = mapControl1.Map.Layers["theme1"] as ObjectThemeLayer;
if (thmLayer != null)
{
result = System.Windows.Forms.MessageBox.Show(this, "Removing Theme : " + thmLayer.Name, "ThemeDialogSampleApp", buttons);
if (result == DialogResult.Yes)
{
mapControl1.Map.Layers.Remove(thmLayer);
mapControl1.Map.Invalidate();
}
}
if (_themedLabelLayer != null)
{
LabelModifier labelModifier = _themedLabelLayer.Sources[0].Modifiers["theme1"];
if (labelModifier != null)
{
result = System.Windows.Forms.MessageBox.Show(this, "Removing Theme : " + labelModifier.Name, "ThemeDialogSampleApp", buttons);
if (result == DialogResult.Yes)
{
_themedLabelLayer.Sources[0].Modifiers.Remove(labelModifier);
mapControl1.Map.Invalidate();
}
}
}
}
catch (MapException)
{
}
}
private void ModifyTheme()
{
try
{
// Bring up the modify theme dialog for modifier themes
if (_themedFeatureLayer != null)
{
FeatureStyleModifier modifier = _themedFeatureLayer.Modifiers["theme1"];
if (modifier != null)
{
if (modifier is DotDensityTheme)
{
DotDensityTheme thm = modifier as DotDensityTheme;
ModifyDotDensityThemeDlg dlg = new ModifyDotDensityThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (modifier is RangedTheme)
{
RangedTheme thm = modifier as RangedTheme;
ModifyRangedThemeDlg dlg = new ModifyRangedThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (modifier is IndividualValueTheme)
{
IndividualValueTheme thm = modifier as IndividualValueTheme;
ModifyIndValueThemeDlg dlg = new ModifyIndValueThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
_themedFeatureLayer.Invalidate();
}
}
// Bring up the modify theme dialog for object themes
ObjectThemeLayer thmLayer = mapControl1.Map.Layers["theme1"] as ObjectThemeLayer;
if (thmLayer != null)
{
if (thmLayer.Theme is GraduatedSymbolTheme)
{
GraduatedSymbolTheme thm = thmLayer.Theme as GraduatedSymbolTheme;
ModifyGradSymbolThemeDlg dlg = new ModifyGradSymbolThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (thmLayer.Theme is BarTheme)
{
BarTheme thm = thmLayer.Theme as BarTheme;
ModifyBarThemeDlg dlg = new ModifyBarThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (thmLayer.Theme is PieTheme)
{
PieTheme thm = thmLayer.Theme as PieTheme;
ModifyPieThemeDlg dlg = new ModifyPieThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
thmLayer.RebuildTheme();
}
if (_themedLabelLayer != null)
{
LabelModifier labelModifier = _themedLabelLayer.Sources[0].Modifiers["theme1"];
if (labelModifier != null)
{
if (labelModifier is RangedLabelTheme)
{
RangedLabelTheme thm = labelModifier as RangedLabelTheme;
ModifyRangedThemeDlg dlg = new ModifyRangedThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
else if (labelModifier is IndividualValueLabelTheme)
{
IndividualValueLabelTheme thm = labelModifier as IndividualValueLabelTheme;
ModifyIndValueThemeDlg dlg = new ModifyIndValueThemeDlg(mapControl1.Map, thm);
dlg.ShowDialog();
}
_themedLabelLayer.Invalidate();
}
}
}
catch (MapException)
{
}
}
