Microsoft KB Archive/107732

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WD: WordBasic Err=150 with Duplicate UserDialog Definitions

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Q107732

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The information in this article applies to:


 * Microsoft Word for Windows, versions 6.0, 6.0a, 6.0c
 * Microsoft Word for Windows 95, version 7.0
 * Microsoft Word for the Macintosh, versions 6.0, 6.0.1

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SYMPTOMS
The following WordBasic error occurs in Microsoft Word if your custom dialog box definition includes two instructions that specify the same identifier argument:

WordBasic Err=150

Dialog control identifier is already defined.

For example, the following macro causes this error message because both CheckBox dialog box instructions are identical:

  Sub MAIN Begin Dialog UserDialog 151, 84 OKButton 33, 48, 88, 21 CheckBox 25, 16, 111, 16, "Check Box", .CheckBox1 CheckBox 25, 16, 111, 16, "Check Box", .CheckBox1 End Dialog Dim Dlg As UserDialog Dialog Dlg End Sub By contrast, this macro does not cause an error when you run it in Word version 2.x for Windows.

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CAUSE
Identifiers for controls in a custom dialog box must be unique.

WORKAROUND
To work around this problem, if you run a Word 2.x macro in Word 6.0 or later that contains duplicate dialog box identifiers, you must edit the macro and remove or modify one of the identifiers.

STATUS
Microsoft has confirmed this to be a problem in Microsoft Word 2.x, which should also only have allowed unique identifiers. This problem was corrected in later versions of Microsoft Word.