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— Extending Natural Studio with Plug-ins —

INatAutoDialog

This document covers the following topics:

Purpose
Properties
Methods

Purpose

A dialog currently open in a dialog editor window.

Properties

The following properties are available:

Parent
Studio
Source
Visible
LineCount

Parent

Used to navigate to the parent interface of this interface.

Natural Data Format	Variant Type	Remark
HANDLE OF OBJECT	VT_DISPATCH (INatAutoDialogs)	Get only

Studio

Used to navigate to the root interface.

Natural Data Format	Variant Type	Remark
HANDLE OF OBJECT	VT_DISPATCH (INatAutoStudio)	Get only

Source

The source code of the dialog.

Natural Data Format	Variant Type	Remark
A	VT_BSTR

Visible

Shows or hides the editor window.

Natural Data Format	Variant Type	Remark
L	VT_BOOL

LineCount

The number of lines in the source code.

Natural Data Format	Variant Type	Remark
I4	VT_I4	Get only

Methods

The following methods are available:

StartEdit
EndEdit
Catalog
Check
Clear
Close
Execute
Search
Replace
Run
Save
Stow
Title
GetInfo
DeleteLines
GetLines
InsertLines
ReplaceLines

StartEdit

This method should be called before calling a series of editing methods in order to increase editing performance. It converts (internally) the dialog specification into source code.

EndEdit

This method should be called after having called StartEdit and a series of editing methods. It converts (internally) the source code back into a dialog specification.

Catalog

Catalogs the dialog.

Parameters

Name	Natural Data Format	Variant Type	Remark
Quiet	L	VT_BOOL	Optional

Quiet: If set to TRUE, the method is performed without user interaction. The default is FALSE.

Check

Checks the dialog.

Parameters

Name	Natural Data Format	Variant Type	Remark
Quiet	L	VT_BOOL	Optional

Quiet: If set to TRUE, the method is performed without user interaction. The default is FALSE.

Clear

Clears the editor contents.

Parameters

Name	Natural Data Format	Variant Type	Remark
Quiet	L	VT_BOOL	Optional

Quiet: If set to TRUE, the method is performed without user interaction. The default is FALSE.

Close

Closes the editor and removes the dialog from the collection.

Parameters

Name	Natural Data Format	Variant Type	Remark
Quiet	L	VT_BOOL	Optional

Quiet: If set to TRUE, the method is performed without user interaction. The default is FALSE.

Execute

Executes the dialog.

Search

Searches for the first occurrence of a given string.

Parameters

Name	Natural Data Format	Variant Type	Remark
Return value	BOOL	VT_BOOL
SearchString	A	VT_BSTR
Line	I4	VT_I4	By reference
Column	I4	VT_I4	By reference
CaseSensitive	L	VT_BOOL	Optional
WholeWords	L	VT_BOOL	Optional
Up	L	VT_BOOL	Optional

Return value: TRUE if a match was found.
SearchString: The string to search for.
Line: Contains the start line for the search on input. Contains the line of the first match on return.
Column: Contains the start column for the search on input. Contains the column of the first match on return.
CaseSensitive: Searches case sensitively. The default is FALSE.
WholeWords: Searches only for whole words that match the search string. The default is FALSE.
Up: Searches in upward direction. The default is FALSE.

Replace

Replaces the first occurrence of a given string with another one.

Parameters

Name	Natural Data Format	Variant Type	Remark
Return value	BOOL	VT_BOOL
SearchString	A	VT_BSTR
ReplaceString	A	VT_BSTR
Line	I4	VT_I4	By reference
Column	I4	VT_I4	By reference
CaseSensitive	L	VT_BOOL	Optional
WholeWords	L	VT_BOOL	Optional
Up	L	VT_BOOL	Optional

Return value: TRUE if a match was found.
SearchString: The string to search for.
ReplaceString: The string which replaces the search string.
Line: Contains the start line for the search on input. Contains the line of the first match on return.
Column: Contains the start column for the search on input. Contains the column of the first match on return.
CaseSensitive: Searches case sensitively. The default is FALSE.
WholeWords: Searches only for whole words that match the search string. The default is FALSE.
Up: Searches in upward direction.

Run

Runs the dialog.

Parameters

Name	Natural Data Format	Variant Type	Remark
Quiet	L	VT_BOOL	Optional

Quiet: If set to TRUE, the method is performed without user interaction. The default is FALSE.

Save

Saves the dialog.

Parameters

Name	Natural Data Format	Variant Type	Remark
Name	A	VT_BSTR	Optional
Library	A	VT_BSTR	Optional
Quiet	L	VT_BOOL	Optional

Name: Saves the dialog under the given name.
Library: Saves the dialog in the given library.
Quiet: If set to TRUE, the method is performed without user interaction. The default is FALSE.

Stow

Stows the dialog.

Parameters

Name	Natural Data Format	Variant Type	Remark
Name	A	VT_BSTR	Optional
Library	A	VT_BSTR	Optional
Quiet	L	VT_BOOL	Optional

Name: Stows the dialog under the given name.
Library: Stows the dialog in the given library.
Quiet: If set to TRUE, the method is performed without user interaction. The default is FALSE.

Title

Titles an untitled dialog.

Parameters

Name	Natural Data Format	Variant Type	Remark
Name	A	VT_BSTR	Optional
Library	A	VT_BSTR	Optional

Name: Assigns a name to the dialog.
Library: Assigns a library to the dialog.

GetInfo

Returns information about an open dialog.

Parameters

Name	Natural Data Format	Variant Type	Remark
Type	I4	VT_I4	By reference
Name	A	VT_BSTR	By reference
Library	A	VT_BSTR	By reference
Fnr	I4	VT_I4	By reference
DBnr	I4	VT_I4	By reference

Type: The type of the object. Always a dialog.
Name: The name of the dialog.
Library: The library of the dialog.
Fnr: The system file file number of the object.
DBnr: The system file database number of the object.

DeleteLines

Deletes a block of lines from the source code.

Parameters

Name	Natural Data Format	Variant Type	Remark
StartLine	I4	VT_I4
LineCount	I4	VT_I4	Optional

StartLine: The start line of the block to delete.
LineCount: The number of lines to delete. The default is 1.

GetLines

Retrieves a block of lines from the source code.

Parameters

Name	Natural Data Format	Variant Type	Remark
Return value	A	VT_BSTR
StartLine	I4	VT_I4
LineCount	I4	VT_I4	Optional

Return value: A block of source code lines. The lines are separated by carriage return / line feed characters.
StartLine: The start line of the block to return.
LineCount: The number of lines to return. The default is 1.

InsertLines

Inserts a block of lines from the source code.

Parameters

Name	Natural Data Format	Variant Type	Remark
Return value	I4	VT_I4
Code	A	VT_BSTR
InsertAfterLine	I4	VT_I4	Optional

Return value: The line number passed in InsertAfterLine increased by the number of inserted lines.
Code: A block of source code lines to insert. The lines must be separated by carriage return / line feed characters.
InsertAfterLine: Line after which the code shall be inserted. The default is 0.

ReplaceLines

Replaces a block of lines from the source code.

Parameters

Name	Natural Data Format	Variant Type	Remark
Return value	I4	VT_I4
Code	A	VT_BSTR
ReplaceLine	I4	VT_I4	Optional
LineCount	I4	VT_I4	Optional

Return value: The line number passed in ReplaceLine increased by the number of inserted lines.
Code: A block of source code lines to replace the block that is defined by ReplaceLine and LineCount. The lines must be separated by carriage return / line feed characters.
ReplaceLine: The start line of the block to be replaced. The default is 1.
LineCount: The number of lines to be replaced by the given block. The default is 1.

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