Application.InvokeHelp method (Visio)
Performs operations that involve the Microsoft Visio Help system.
Syntax
expression.InvokeHelp (bstrHelpFileName, Command, Data)
expression A variable that represents an Application object.
Parameters
Name | Required/Optional | Data type | Description |
---|---|---|---|
bstrHelpFileName | Required | String | Specifies an HTML file, a URL, a compiled HTML file, or an optional window definition (preceded with a ">" character). If the command being used does not require a file or URL, this value may be "". |
Command | Required | Long | The action to perform. |
Data | Required | Long | Any data that is required based on the value of the command argument. |
Return value
Nothing
Remarks
Using the InvokeHelp method, you can create a custom Help system that is integrated with the Visio Help system. To enable your custom Help to appear in the same MSO Help window as Visio Help, don't specify a window definition in the bstrHelpFileName argument.
The arguments passed to the InvokeHelp method correspond to those described in the HTML Help API. For a list of command values, see the HTML Help API Reference. Microsoft Visual Basic programmers can use the numeric equivalent of the C++ constants defined in the HTML Help API header files.
For example, use the following code to display the Visio Help pane.
Application.InvokeHelp "Visio.chm", 15, 0
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