The ICommDlgBrowser interface is used by the common file dialog boxes to extend the behavior of the shell browser. This interface is received by calling QueryInterface on the IShellBrowser object.
When to Implement
This interface is implemented only by the common file-dialog boxes.
When to Use
Use ICommDlgBrowser when you want to provide special behavior when hosted inside the common dialog boxes.
Methods in Vtable Order
| IUnknown Methods | Description |
| QueryInterface | Returns pointers to supported interfaces. |
| AddRef | Increments reference count. |
| Release | Decrements reference count. |
| ICommDlgBrowser Methods | Description |
| OnDefaultCommand | Called when a user double-clicks in the view or presses the ENTER key. |
| OnStateChange | Called after a state of change has occurred in a common dialog box. |
| IncludeObject | Allows common dialog filter objects that the view presents.. |