I am setting the IsInEditMode property from within the ultraToolbarsManager1_ToolValueChanged event. I have a combo on the toolbar that,depending on what is selected in the combo by the user (in the ToolValueChanged event), will set different text values in a TextBoxTool on the same toolbar, set focus to it (the TextBoxTool) and place the caret in the second position in the text. 

Just tried it again, with the same results. I also tried some code I found elsewhere (I think onyour site or documentation) that does the following:

public static void PutToolInEditMode(ToolBase tool) {
            // only an editor tool can be put into edit mode. we need to
            // also check for placeholder tools in case this is the mdi parent
            // form's toolbarsmanager and the child toolbarmanager has the
            // editor tool
            if (tool is EditorToolBase || tool is MdiMergePlaceholderTool) {
                // walk over all the instances of this tool - i.e. all of
                // the tools with the same key on different toolbars and
                // menus
                foreach (ToolBase toolInstance in tool.SharedProps.ToolInstances) {
                    // access the underlying tool in case this is an
                    // place holder tool
                    EditorToolBase editorTool = toolInstance.UnderlyingTool as EditorToolBase;

                    // if the tool is currently in view and can be activated
                    // then we can try to put it into edit mode
                    if (null != editorTool &&
                        editorTool.CanActivate &&
                        editorTool.VisibleResolved) {
                        // try to put the tool into edit mode
                        editorTool.IsInEditMode = true;
                        break;
                    }
                }
            }
        }

Then I call PutToolInEditMode(txtSrchFor) instead of txtSrchFor.IsInEditMode. Interestingly, when I step to the line that says If(null != EditorTool && EditorTool.CanActivate ....), the CanActivate property is false, and the function will not set IsInEditMode to true. Is something checking this value (CanActivate) inside IsInEditMode? I can't think of any other events that are causing a problem...

Hi There.....

The info here is mindblowingly useful and i could resolve many of my issues by just searching the forums.....

Keep the Great Work Going.......