Q256179: PRB: BackColor of Shape Bleeds Through on Top-Level Form w/ Grid

Article: Q256179
Product(s): Microsoft FoxPro
Version(s): WINDOWS:6.0
Operating System(s): 
Keyword(s): kbContainer kbCtrl kbvfp600 kbGrpDSFox kbDSupport kbCodeSnippet
Last Modified: 08-JUN-2000

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The information in this article applies to:

- Microsoft Visual FoxPro for Windows, version 6.0 
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SYMPTOMS
========

You have a form with the ShowWindow property equal to 2 (As Top-Level Form) and
the form contains a grid and text boxes on top of a shape object. As you tab
through the text box objects, the background color of the shape may bleed
through into your text boxes even if the shape object's BackColor property is
set to the default.

RESOLUTION
==========

To avoid this problem, either avoid the use of shapes to group affected text
boxes, or run the form in another top-level form.

If you are using a transparent shape, as in the following sample, another
workaround is to set the shape's BackColor property in the form's Init event to
be the same as the back color of the text boxes.

NOTE: This workaround does not allow for changes in the Windows color settings in
the middle of the application but should cover most cases.

MORE INFORMATION
================

Steps to Reproduce Behavior
---------------------------

Use the following steps to reproduce this behavior:

1. Create and run a program with the following code:

  PUBLIC oform1

  oForm1 = NEWOBJECT("form1")
  oForm1.Show()

  RETURN

  DEFINE CLASS form1 AS form

  	Top = 0
  	Left = 0
  	Height = 443
  	Width = 622
  	ShowWindow = 2  && As Top-Level Form
  	Caption = "Bleedthrough Demonstration"
  	Name = "Form1"

  	ADD OBJECT grdDemo AS grid WITH ;
  		ColumnCount = 1, ;
  		Height = 180, ;
  		Left = 30, ;
  		Top = 30, ;
  		Width = 555, ;
  		Name = "grdDemo"

  	ADD OBJECT txtOne AS textbox WITH ;
  		Height = 23, ;
  		Left = 177, ;
  		Top = 255, ;
  		Width = 100, ;
  		Name = "txtOne"

  	ADD OBJECT txtTwo AS textbox WITH ;
  		Height = 23, ;
  		Left = 177, ;
  		Top = 294, ;
  		Width = 100, ;
  		Name = "txtTwo"

  	ADD OBJECT txtThree AS textbox WITH ;
  		Height = 23, ;
  		Left = 177, ;
  		Top = 333, ;
  		Width = 100, ;
  		Name = "txtThree"

  	ADD OBJECT shpGroup AS shape WITH ;
  		Top = 225, ;
  		Left = 33, ;
  		Height = 186, ;
  		Width = 552, ;
  		BackStyle = 0, ;
  		BackColor = RGB(255,0,128), ;
  		Name = "shpGroup"

  	PROCEDURE Init
  		*!* Uncomment next line for a workaround
  		*!* This.shpGroup.BackColor = This.txtOne.BackColor
  	ENDPROC
  ENDDEFINE

2. After the form appears, tab through the text boxes.

3. Notice that the background color of the text boxes changes.

4. Close the form, uncomment the code in the Init procedure and then run the
  program again to see the workaround.

For additional information on automatically running a form in a top-level form,
click the article number below to view the article in the Microsoft Knowledge
Base:

  Q257230 HOWTO: Display a Form in a Top-Level Form on Startup

Additional query words:

======================================================================
Keywords          : kbContainer kbCtrl kbvfp600 kbGrpDSFox kbDSupport kbCodeSnippet 
Technology        : kbVFPsearch kbAudDeveloper kbVFP600
Version           : WINDOWS:6.0
Issue type        : kbprb
Solution Type     : kbpending

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