Fix Bug Excpetion PixelFormat is DontCare

vsc55 · Mar 17, 2018 · eb9f3fc · eb9f3fc
1 parent 37f1973
commit eb9f3fc
Showing 1 changed file with 12 additions and 12 deletions.
diff --git a/src/System.Windows.Forms.Ribbon/Component Classes/RibbonButton.cs b/src/System.Windows.Forms.Ribbon/Component Classes/RibbonButton.cs
@@ -736,18 +736,18 @@ internal virtual Rectangle OnGetImageBounds(RibbonElementSizeMode sMode, Rectang
             }
             else
             {
-                if (SmallImage != null)
-                {
-                    return new Rectangle(
-                        Bounds.Left + Owner.ItemMargin.Left,
-                        Bounds.Top + ((Bounds.Height - SmallImage.Height) / 2),
-                        SmallImage.Width,
-                        SmallImage.Height);
-                }
-                else
-                {
-                    return new Rectangle(ContentBounds.Location, new Size(0, 0));
-                }
+				if (SmallImage != null)
+				{
+					if (SmallImage.PixelFormat != Drawing.Imaging.PixelFormat.DontCare )
+					{ 
+						return new Rectangle(
+							Bounds.Left + Owner.ItemMargin.Left,
+							Bounds.Top + ((Bounds.Height - SmallImage.Height) / 2),
+							SmallImage.Width,
+							SmallImage.Height);
+					}
+				}
+				return new Rectangle(ContentBounds.Location, new Size(0, 0));
             }
         }