By default, the ImagePrimitive in a ribbon button is auto sized. If you want to disable the AutoSize property of the image and specify a specific Size, the AutoSize property gets serialized in the designer, but the Size is not. This leads to missing image after reopening the designer.
After saving the changes and reopening the designer the image is missing since its Size property is not serialized:
When a form's width is reduced enough then some groups in ribbon bar will become collapsed and in group's place a drop-down arrow is shown. When this arrow is clicked it will show properly its active state in all themes except three Metro themes. In Metro themes arrow's active state is such that only upper half of the control is visible. The issue is shown in current documentation for RadRibbonBar in the following image:
Workaround: set the AutoScaleMode property of UserControl to None.
Put a textbox and RadRibbonBar on a form with enabled key map. Press Alt + 64. You should get "@" in the textbox. Instead, you get the key tips displayed. Workaround: public class MyRadRibbonBar : RadRibbonBar { protected override ComponentInputBehavior CreateBehavior() { return new MyRibbonBarInputBehavior(this); } public override string ThemeClassName { get { return typeof(RadRibbonBar).FullName; } set { } } } class MyRibbonBarInputBehavior : RadRibbonBar.RibbonBarInputBehavior { public MyRibbonBarInputBehavior(RadRibbonBar owner) : base(owner) { } protected override bool SetInternalKeyMapFocus() { if ((this.Owner as RadRibbonBar).ContainsFocus) { return base.SetInternalKeyMapFocus(); } return false; } }
Using VS2012 RadRibbonForm's caption element is misplaced. As a result a horizontal black line appears below the title. Additionally, the system borders of the form are thinner that they are supposed to be.