diff options
Diffstat (limited to 'Xwt.Gtk/Xwt.GtkBackend/ButtonBackend.cs')
| -rw-r--r-- | Xwt.Gtk/Xwt.GtkBackend/ButtonBackend.cs | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Xwt.Gtk/Xwt.GtkBackend/ButtonBackend.cs b/Xwt.Gtk/Xwt.GtkBackend/ButtonBackend.cs index e0ab8e77..71c80ff4 100644 --- a/Xwt.Gtk/Xwt.GtkBackend/ButtonBackend.cs +++ b/Xwt.Gtk/Xwt.GtkBackend/ButtonBackend.cs @@ -130,6 +130,8 @@ namespace Xwt.GtkBackend if (image.Backend != null) imageWidget = new ImageBox (ApplicationContext, image.WithDefaultSize (Gtk.IconSize.Button)); + labelWidget.Realized -= HandleStyleUpdate; + labelWidget.StyleSet -= HandleStyleUpdate; labelWidget = null; if (label != null && imageWidget == null) { @@ -209,6 +211,8 @@ namespace Xwt.GtkBackend Widget.Label = null; Widget.Image = labelWidget; } + labelWidget.Realized -= HandleStyleUpdate; + labelWidget.StyleSet -= HandleStyleUpdate; formattedText = label; labelWidget.ApplyFormattedText (formattedText); @@ -252,7 +256,7 @@ namespace Xwt.GtkBackend public void SetFormattedText (FormattedText text) { - SetContent (text.Text, Widget.UseUnderline, this.image, ContentPosition.Center); + SetContent (text?.Text, Widget.UseUnderline, this.image, ContentPosition.Center); SetFormattedContent (text, ContentPosition.Center); } @@ -310,9 +314,10 @@ namespace Xwt.GtkBackend protected override void Dispose (bool disposing) { - if (labelWidget != null) { + if (disposing && labelWidget != null) { labelWidget.Realized -= HandleStyleUpdate; labelWidget.StyleSet -= HandleStyleUpdate; + labelWidget = null; } base.Dispose (disposing); } |