Microsoft KB Archive/180634

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FIX: ScaleLeft and ScaleTop Do Not Function

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Q180634

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The information in this article applies to:


 * Microsoft Windows CE Toolkit for Visual Basic 5.0, version 1.0

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SYMPTOMS
The ScaleLeft and ScaleTop properties of a Form object do not affect the position of graphical renderings that are drawn with graphical methods such as DrawLine and DrawCircle.

In addition, the ScaleLeft and ScaleTop properties of a PictureBox object do not affect the position of graphical renderings that are drawn with graphical methods such as DrawLine and DrawCircle unless the methods are used in conjunction with the ScaleHeight and ScaleWidth properties.

RESOLUTION
For a PictureBox control, use the ScaleHeight and ScaleWidth properties in conjunction with the ScaleTop and ScaleLeft properties. For example:

  Private Sub Command1_Click PictureBox1.ScaleTop = 100 PictureBox1.ScaleLeft = -100 PictureBox1.ScaleHeight = -200 PictureBox1.ScaleWidth = 200 PictureBox1.DrawLine 0, 0, 50, 50 End Sub If you do not have a PictureBox control visible in your Control Toolbox, do the following:


 * 1) From the Windows CE menu, select Control Manager.
 * 2) Highlight PictureBox Class.
 * 3) From the Emulation menu, select Install. If this is successful then you should see a message box that says "Success: Registration MSCEPicture.dll Error = 000000000." Dismiss this message box.
 * 4) In the Visual Basic 5.0 design environment, from the Project menu, select Components, and then select Microsoft CE PictureBox Control 1.0. The PictureBox control should now be displayed in your Control Toolbox. It is similar in appearance to the PictureBox that is included with Visual Basic 5.0.

STATUS
Microsoft has confirmed this to be a problem in the Microsoft products that are listed at the beginning of this article.

This problem was corrected in Windows CE Toolkit for Visual Basic 6.0.

Steps to Reproduce Behavior
 Create a new Windows CE Project in Visual Basic 5.0. Form1 is created by default. Place a CommandButton on Form1.  Add the following code to Form1:      Private Sub Command1_Click Form1.ScaleTop = 1000 Form1.ScaleLeft = 1000 Form1.DrawLine 0, 0, 1000, 4000 End Sub  Press the F5 key to run the application. Click the CommandButton, and note that altering these properties did not affect the position of the line.

Additional query words: wince vbce vbce5 vbce6

Keywords : kbToolkit kbVBp kbVBp500bug kbVBp600fix kbOSWinCEsearch kbOSWinCE100 kbGrpDSVB

Issue type : kbbug

Technology : kbVBSearch kbAudDeveloper kbWinCETKVBSearch kbWinCESearch kbWinCETK100VB500