Disable financial dimensions through X++ code in AX 2012

Disabling particular financial dimension based on record or on particular form quite tricky in AX 2012.

Here is an example to achieve disabling Business unit financial dimension on Customers form in AX 2012.

Process to disable Business Unit financial dimension on Customers form.
1. Create a new parm method in ‘DimensionDefaultingControllerBase’ class as shown below

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void parmEditableDimensionAttributeSetId(RefRecId _editableDimensionAttributeSetId  = editableDimensionAttributeSetId) {     editableDimensionAttributeSetId = _editableDimensionAttributeSetId; }

2. Create a new method in ‘CustTable’ form as shown below

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private void setDimensionAttributeSetStorage() {     DimensionAttribute              dimAttr;     DimensionAttributeSetItem       dimAttrSetItem;     DimensionEnumeration            dimensionSetId =  DimensionCache::getDimensionAttributeSetForLedger();     DimensionAttributeSetStorage    dimensionAttributeSetStorage;     ;     dimensionAttributeSetStorage = new DimensionAttributeSetStorage();     while select * from dimAttr             order by Name             where dimAttr.Type != DimensionAttributeType::MainAccount         join RecId from dimAttrSetItem             where dimAttrSetItem.DimensionAttribute == dimAttr.RecId &&                 dimAttrSetItem.DimensionAttributeSet == dimensionSetId     {         if (dimAttr.Name != 'BusinessUnit') // Except BusinessUnit rest should enable             dimensionAttributeSetStorage.addItem(dimAttr.RecId, dimAttr.HashKey,NoYes::Yes);     }       dimensionDefaultingController.parmEditableDimensionAttributeSetId(dimensionAttributeSetStorage.save()); }

3. Add below highlighted code in ‘init’ method of ‘CustTable’ form as shown below
Calling newly created method before dimensionDefaultingController.pageActivated();

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dimensionDefaultingController = DimensionDefaultingController::constructInTabWithValues(true, true, true, 0, this, tabFinancialDimensions, "@SYS138487");     dimensionDefaultingController.parmAttributeValueSetDataSource(custTable_ds, fieldStr(CustTable, DefaultDimension));     // Added by Manikanta on 22/05/2019 DisableFinDimensions - Begin     this.setDimensionAttributeSetStorage();     // Added by Manikanta on 22/05/2019 DisableFinDimensions - End     dimensionDefaultingController.pageActivated();

4. Now open Customers form & check financial dimensions tab it shows as below.
Can see Business Unit financial dimension disabled, highlighted one.