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How to programmatically apply conditional formatting settings to all form controls

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This article was previously published under Q304104
Advanced: Requires expert coding, interoperability, and multiuser skills.

This article applies to a Microsoft Access database (.mdb) and to a Microsoft Access project (.adp).

SUMMARY
In Microsoft Access 2000, conditional formatting was added to forms and reports to allow users to format a control based on a particular condition. However, in the Access user interface, you cannot automatically propagate the conditional formatting of one control to all other controls on the form. But you can do this by using the FormatConditions collection of the control on which the initial conditional format has been set. This article shows you how to use code to propagate the conditional formatting of one control to all other controls on the form.
MORE INFORMATION
Microsoft provides programming examples for illustration only, without warranty either expressed or implied. This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the programming language that is being demonstrated and with the tools that are used to create and to debug procedures. Microsoft support engineers can help explain the functionality of a particular procedure, but they will not modify these examples to provide added functionality or construct procedures to meet your specific requirements. For an example of how to propagate the conditional formatting of one control to all other controls on the form, follow these steps.

CAUTION: If you follow the steps in this example, you modify the sample database Northwind.mdb. You may want to back up the Northwind.mdb file and follow these steps on a copy of the database.

  • If you use Access 2002 or Access 2003, follow these steps:
    1. Start Access.
    2. On the Help menu, point to Sample Databases, and then click Northwind Sample Database.
    3. In the Database window, click the Modules under Objects.
    4. Click New to create a new module.
    5. Add the following line to the Declarations section of the module if it is not already there:
      Option Explicit					
    6. Type or paste the following code:
      Function AddFormats(ctlSource As Control, frm As Form) As Integer    Dim ctl As Control    Dim fcdSource As FormatCondition    Dim fcdDestination As FormatCondition    Dim varOperator As Variant    Dim varType As Variant    Dim varExpression1 As Variant    Dim varExpression2 As Variant    Dim intConditionCount As Integer    Dim intCount As Integer        intConditionCount = ctlSource.FormatConditions.Count        For Each ctl In frm.Controls        If ctl.Name = ctlSource.Name Then            ' This is the source.  Don't apply formatting.        ElseIf ctl.ControlType = acTextBox Or ctl.ControlType = acComboBox Then            intCount = 0                        ' Bulk remove all current FormatConditions            ctl.FormatConditions.Delete                        Do Until intCount = intConditionCount                Set fcdSource = ctlSource.FormatConditions.Item(intCount)                                varOperator = fcdSource.Operator                varType = fcdSource.Type                varExpression1 = fcdSource.Expression1                varExpression2 = fcdSource.Expression2                                ' Add the FormatCondition                ctl.FormatConditions.Add varType, varOperator, varExpression1, varExpression2                                ' Reference the FormatCondition to apply formatting.                ' Note: The FormatCondition cannot be referenced                ' in this manner until it exists.                Set fcdDestination = ctl.FormatConditions.Item(intCount)                                With fcdDestination                    .BackColor = fcdSource.BackColor                    .FontBold = fcdSource.FontBold                    .FontItalic = fcdSource.FontItalic                    .FontUnderline = fcdSource.FontUnderline                    .ForeColor = fcdSource.ForeColor                End With                                ' Move to the next FormatCondition                intCount = intCount + 1                        Loop        End If    Next ctl        ' Cleanup    AddFormats = intConditionCount    MsgBox "There were " & AddFormats & " Conditional Format(s) applied to all text and combo boxes except the source."    Set ctl = Nothing    Set fcdSource = Nothing    Set fcdDestination = Nothing    Set varOperator = Nothing    Set varType = Nothing    Set varExpression1 = Nothing    Set varExpression2 = Nothing    intConditionCount = 0    intCount = 0End Function					
    7. Save the module as Module1.
    8. Open the Orders form in Design view.
    9. Click the Freight text box.
    10. On the Format menu, click Conditional Formatting, and then apply the following conditional formats to the Freight text box:
      • Condition 1 = Field Has Focus, Fill/Back Color = Yellow
      • Condition 2 = Field Value Is Equal To 1, Font/Fore Color = Green
      • Condition 3 = Expression Is 1+1=2, Underline = True

    11. Add a command button named cmdApplyCondFormat to the Orders form.
    12. Set the OnClick property of the command button to the following event procedure:
      Private Sub cmdApplyCondFormat_Click()    AddFormats Me.Freight, MeEnd Sub
    13. Save the Orders form.
    14. Open the Orders form in Form View. Note the conditional formatting of the Freight text box.
    15. Click the command button to apply the Freight text box conditional formatting to all other text and combo boxes on the main form.
  • If you use Access 2007, follow these steps:
    1. Start Access, and then open sample datebase.
    2. On the Create tab, click Macro in the Other group, and then click Module.
    3. Add the following line to the Declarations section of the module if it is not already there:
      Option Explicit					
    4. Type or paste the following code:
      Function AddFormats(ctlSource As Control, frm As Form) As Integer    Dim ctl As Control    Dim fcdSource As FormatCondition    Dim fcdDestination As FormatCondition    Dim varOperator As Variant    Dim varType As Variant    Dim varExpression1 As Variant    Dim varExpression2 As Variant    Dim intConditionCount As Integer    Dim intCount As Integer        intConditionCount = ctlSource.FormatConditions.Count        For Each ctl In frm.Controls        If ctl.Name = ctlSource.Name Then            ' This is the source.  Don't apply formatting.        ElseIf ctl.ControlType = acTextBox Or ctl.ControlType = acComboBox Then            intCount = 0                        ' Bulk remove all current FormatConditions            ctl.FormatConditions.Delete                        Do Until intCount = intConditionCount                Set fcdSource = ctlSource.FormatConditions.Item(intCount)                                varOperator = fcdSource.Operator                varType = fcdSource.Type                varExpression1 = fcdSource.Expression1                varExpression2 = fcdSource.Expression2                                ' Add the FormatCondition                ctl.FormatConditions.Add varType, varOperator, varExpression1, varExpression2                                ' Reference the FormatCondition to apply formatting.                ' Note: The FormatCondition cannot be referenced                ' in this manner until it exists.                Set fcdDestination = ctl.FormatConditions.Item(intCount)                                With fcdDestination                    .BackColor = fcdSource.BackColor                    .FontBold = fcdSource.FontBold                    .FontItalic = fcdSource.FontItalic                    .FontUnderline = fcdSource.FontUnderline                    .ForeColor = fcdSource.ForeColor                End With                                ' Move to the next FormatCondition                intCount = intCount + 1                        Loop        End If    Next ctl        ' Cleanup    AddFormats = intConditionCount    MsgBox "There were " & AddFormats & " Conditional Format(s) applied to all text and combo boxes except the source."    Set ctl = Nothing    Set fcdSource = Nothing    Set fcdDestination = Nothing    Set varOperator = Nothing    Set varType = Nothing    Set varExpression1 = Nothing    Set varExpression2 = Nothing    intConditionCount = 0    intCount = 0End Function					
    5. Save the module as Module1.
    6. Open the Orders Details form in Design view.
    7. Click the Customer ID dropdown list, click Conditional, and then apply the following conditional formats to the Customer ID dropdown list:
      • Condition 1 = Field Has Focus, Fill/Back Color = Yellow
      • Condition 2 = Field Value Is Equal To 1, Font/Fore Color = Green
      • Condition 3 = Expression Is 1+1=2, Underline = True
    8. Add a command button named cmdApplyCondFormat to the Order Details form.
    9. Set the OnClick property of the command button to the following event procedure:
      Private Sub cmdApplyCondFormat_Click()    AddFormats Me.Customer_ID, MeEnd Sub
    10. Save the Order Details form.
    11. Open the Order Details form in Form View. Note the conditional formatting of the Customer ID text box.
    12. Click the command button to apply the Payment Date text box conditional formatting to all other text and combo boxes on the main form.
inf conditional formatting ACC2002 ACC2003 ACC2007 kbnoOfficeAlertID
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Article ID: 304104 - Last Review: 04/10/2007 19:28:18 - Revision: 7.1

Microsoft Office Access 2007, Microsoft Office Access 2003, Microsoft Access 2002 Standard Edition

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