PreviewHandler Class |
Defines a Shell Preview Handler, implementing IPreviewHandler.
Inheritance HierarchySystemObject
callback.ShellBoost.Core.HandlersHandler
callback.ShellBoost.Core.HandlersPreviewHandler
callback.ShellBoost.Core.HandlersHandler
callback.ShellBoost.Core.HandlersPreviewHandler
Namespace: callback.ShellBoost.Core.Handlers
Assembly: callback.CBFSShell (in callback.CBFSShell.dll) Version: 22.0.0.0
SyntaxC#
public abstract class PreviewHandler : Handler
The PreviewHandler type exposes the following members.
Constructors| Name | Description | |
|---|---|---|
 | PreviewHandler | Initializes a new instance of the PreviewHandler class |
Properties| Name | Description | |
|---|---|---|
 | EnterHelpMode |
Gets or sets a value indicating whether context-sensitive help mode should be entered during an in-place activation session.
|
 | FilePath |
Gets the file path. Only valid if IInitializeWithFile was called.
(Inherited from Handler.) |
| Handle |
Gets or sets the window handle of the previewer.
By default its value is Zero.
|
| Item |
Gets the item. Only valid if IInitializeWithItem was called.
(Inherited from Handler.) |
| Mode |
Indicate the access mode for the Item, FilePath or Stream.
(Inherited from Handler.) |
| NativeStream |
Gets the native stream. Only valid if IInitializeWithStream was called.
(Inherited from Handler.) |
| ParentBounds |
Gets the parent area bounds.
|
| ParentHandle |
Gets the parent window handle.
|
| Site |
Gets the site object in the container.
(Inherited from Handler.) |
| Stream |
Gets the stream. Only valid if IInitializeWithStream was called.
(Inherited from Handler.) |
Methods| Name | Description | |
|---|---|---|
| DoPreview |
Directs the preview handler to load data from the source specified in an earlier initialization call, and to begin rendering to the previewer window.
|
 | Equals | Determines whether the specified object is equal to the current object. (Inherited from Object.) |
| Finalize | Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object.) |
| GetHashCode | Serves as the default hash function. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| RegisterInProcess |
Registers this handler in the registry as In-Process.
(Inherited from Handler.) |
| RegisterOutOfProcess |
Registers this handler in the registry as Out-Of-Process.
(Inherited from Handler.) |
| SetBackgroundColor |
Sets the background color of the preview handler.
|
| SetFocus |
Directs the preview handler to set focus to itself.
|
| SetFont |
Sets the font attributes to be used for text within the preview handler.
|
| SetParentBounds |
Directs the preview handler to change the area within the parent window handle that it draws into.
|
| SetParentWindow |
Sets the parent window of the previewer window, as well as the area within the parent to be used for the previewer window.
|
| SetTextColor |
Sets the color of the text within the preview handler.
|
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
| Trace |
Sends a text to trace.
(Inherited from Handler.) |
| TranslateAcceleratorW |
Directs the preview handler to handle a keystroke passed up from the message pump of the process in which the preview handler is running.
|
| Unload |
Directs the preview handler to cease rendering a preview and to release all resources that have been allocated based on the item passed in during the initialization.
|
| Unregister |
Unregisters this handler from the registry.
(Inherited from Handler.) |
See Also