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BlockView_PreLoadDwg Method

Description

This method preload a drawing into the BlockView control for displaying it's internal blocks. Use the BlockView_DisplayBlock (Using Camera Offset) or BlockView_DisplayBlock (Using Preset Views) method to display any blocks that reside in the Dwg file that this method will have just loaded.

Parameters

MyControlReference
Reference to the control in the form of MyProject_MyForm_MyControl.
ProjectFile
String identifying the project as it was passed in LoadProject.
DialogName
String identifying the dialog by name.
ControlName
String identifying the control by name.
sDwgFileName
String identifying the file name of the drawing to preload.

Return Values

Returns the following according to the situation:

  • T when successful.
  • Nil if the control is not found or does not support this function.

AutoLISP Syntax

The recommended convention is passing the control identifier directly:

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(Odcl_BlockView_PreLoadDwg 
		MyControlReference [as Reference]
		sDwgFileName [as String]
	)

An alternative convention is to identify the control by providing the project file, the dialog name and the control name:

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(Odcl_BlockView_PreLoadDwg
		ProjectFile [as String]
		DialogName [as String]
		ControlName [as String]
		sDwgFileName [as String]
	)

Applies For

BlockView.

Example

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; Preload this drawing
(Odcl_BlockView_PreLoadDwg MyProject_MyForm_MyControl 
	"C:\Program Files\AutoCAD 2010\Sample\Dynamic Blocks\Structural - Metric.dwg")