.NET Windows® Forms Custom Controls

Testing the OutlookBar Control

Testing the final control is a victory that should be savored. The various controls, components, and designers for the OutlookBar control and its related controls demonstrate the basic requirements for creating custom controls for Windows Forms. Figure 9.3 shows the test application displaying a MessageBox indicating which item was clicked on.

Figure 9.3. The OutlookBar client.

To test the OutlookBar control, compile the solution containing all the code developed thus far. This will result in the dll SAMS.ToolKit.dll being created. This dll houses all the components, controls, and designers developed to this point. ...