How to Get Control Dimensions from VBGetControlProperty (104393)


The information in this article applies to:

  • Microsoft Visual Basic Professional Edition for Windows 2.0
  • Microsoft Visual Basic Professional Edition for Windows 3.0
  • Microsoft Visual Basic Standard Edition for Windows 2.0
  • Microsoft Visual Basic Standard Edition for Windows 3.0
This article was previously published under Q104393

SUMMARY

This article shows by example how to get the IPROP_STD_LEFT, IPROP_STD_TOP, IPROP_STD_WIDTH, and IPROP_STD_HEIGHT values using the VBGetControlProperty function.

MORE INFORMATION

The IPROP_STD_LEFT, IPROP_STD_TOP, IPROP_STD_WIDTH, and IPROP_STD_HEIGHT properties are stored as floats. The following code shows how to call VBGetControlProperty to get these properties from a VBX and DLL. It is assumed that the standard property indexes found in VBAPI.H were used to build the control. 
/* VBGetControlProperty is prototyped in vbapi.h */ 
#include <vbapi.h>

*** You also need to add "vbapi.lib" to the libraries in the makefile. ***

 float fValue ;
 int nRet ;

  /* hctl would normally be passed in as a HCTL to the function using
     VBGetControlProperty */ 
  /* The third parameter must be the address of a float */ 
 nRet = VBGetControlProperty(hctl, IPROP_STD_TOP, &fValue) ;
Now fValue has the value of Top property for the hctl control.
Modification Type:MajorLast Reviewed:12/9/2003
Keywords:KB104393
©2003 Microsoft Corporation. All rights reserved.