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D365FO官方Wiki:

https://docs.microsoft.com/en-us/dynamics365/unified-operations/fin-and-ops/

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1. 窗體控件不再支持Active X 控件和ManagedHost控件，取而代之的是一種可擴展的控件架構(gòu)。

2. 獲得窗體的DataSource

[FormEventHandler(formStr(HcmPosition), FormEventType::Initialized)]public static void HcmPosition_OnInitialized(xFormRun sender, FormEventArgs e){FormDataSource hcmosition_ds = sender.dataSource(formDataSourceStr(HcmPosition, HcmPosition));Or 
FormDataSource                              hcmosition_ds = sender.dataSource('HcmPosition');}

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3. FormDataSource的EventHandler獲得FormRun

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[FormDataSourceEventHandler(formDataSourceStr(HcmPosition, HcmPosition), FormDataSourceEventType::Created)]public static void HcmPosition_OnCreated(FormDataSource sender, FormDataSourceEventArgs e){FormRun formRun = sender.formRun() as FormRun;}

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4. 通過FormControl的EventHandler獲得FormRun

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[FormControlEventHandler(formControlStr(HcmPosition, HcmPosition_PositionId1), FormControlEventType::Modified)]public static void HcmPosition_PositionId1_OnModified(FormControl sender, FormControlEventArgs e){FormRun formRun = sender.formRun() as FormRun;}

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5. 獲得窗體上的FormControl

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[FormEventHandler(formStr(HcmPosition), FormEventType::Initialized)]public static void HcmPosition_OnInitialized(xFormRun sender, FormEventArgs e){sender.design().controlName(formControlStr(HcmPosition, HcmPositionNewPosition)).AllowEdit(false);// to get form open ModeOpenMode                                    openMode = sender.args().openMode();}

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6. 獲得Current Record

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[FormControlEventHandler(formControlStr(HcmPosition, HcmPositionNewPosition), FormControlEventType::Clicked)] public static void HcmPositionNewPosition_OnClicked(FormControl sender, FormControlEventArgs e) { HcmPosition hcmposition = sender.formRun().dataSource(1).cursor();

????????????HcmPosition hcmposition = sender.args().record(); }

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7. 使用DataEventArgs發(fā)送驗證結(jié)果

[DataEventHandler(tableStr(CategoryTable), DataEventType::ValidatingDelete)]public static void CategoryTable_onValidatingDelete(Common _sender, DataEventArgs _e){CategoryTable categoryTable = _sender as CategoryTable;ValidateEventArgs validateEventArgs = _e as ValidateEventArgs;boolean ret = true;if (categoryTable.UseInProject){ProjCategory projCategory = ProjCategory::find(categoryTable.CategoryId);ret = projCategory.validateDelete();}if (ret && categoryTable.UseInExpense){TrvCostType trvCostType = TrvCostType::find(categoryTable.CategoryId);ret = trvCostType.validateDelete();}if (!ret){validateEventArgs.parmValidateResult(false);}}

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8. 用 ValidateFieldValueEventArgs 發(fā)送驗證結(jié)果給Validate Field method

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[DataEventHandler(tableStr(LedgerParameters), DataEventType::ValidatingFieldValue)]public static void LedgerParameters_onValidatingFieldValue(Common sender, DataEventArgs e){ValidateFieldValueEventArgs ve = e;boolean isValid = true;LedgerParameters ledgerParameters = sender as LedgerParameters;#isoCountryRegionCodesif (ve.parmFieldName() == fieldStr(LedgerParameters, ChineseVoucher_CN) && SysCountryRegionCode::isLegalEntityInCountryRegion([#isoCN])){if ((select firstonly RecId from LedgerJournalTranswhere LedgerJournalTrans.LedgerVoucherType_CN != 0|| LedgerJournalTrans.Voucher_CN != '').RecId != 0){// The general journal needs to be empty in order to modify the setup for the Chinese voucher system.isValid = checkFailed("@GLS54497");}ve.parmValidateResult(isValid);}}

Form data source event handler

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?[FormDataSourceEventHandler(formDataSourceStr(EcoResProductDetailsExtended, InventTable), FormDataSourceEventType::Written)]

public static void InventTable_OnWritten(FormDataSource sender, FormDataSourceEventArgs e){

? ? FormRun???????????????? form????????? ?= sender.formRun();

? ? FormDataSource????????? InventTable_ds =? ? ? ?form.dataSource(formDataSourceStr(EcoResProductDetailsExtended,InventTable)) as FormDataSource;

? ?InventTable???????????? inventTable??? = InventTable_ds.cursor();

}

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Form event handler

Table Buffer on form closing event

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[FormEventHandler(formStr(EcoResAttributeValue), FormEventType::Closing)]

public static void EcoResAttributeValue_OnClosing(xFormRun sender, FormEventArgs e)

{

? ? ?FormDataSource ecoResProduct_ds?? =? ? ? ? ? sender.dataSource(formDataSourceStr(EcoResAttributeValue, EcoResProductAttributeValue));

? ? ? EcoResProductAttributeValue????? ecoResAttributeValue = ecoResProduct_ds.cursor();

}???

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Control value and form event level for which auto declaration must be set true

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[FormControlEventHandler(formControlStr(EcoResProductCreate, OKButton), FormControlEventType::Clicked)]

public static void OKButton_OnClicked(FormControl sender, FormControlEventArgs e)

{

?????? FormRun???????????? element?????? = sender.formRun();

????? ?//form control

?????? FormControl???????? modelGroupRef = element.design(0).controlName("ModelGroupId");

??????? Info(strfmt(“Model Group %1”, modelGroupRef.valueStr()));

?????? //form parameter

?????? ItemId????????????? itemId??????? = element.parmItemId();

}

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Post handler for class method

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[PostHandlerFor(classStr(EcoResProductReleaseManager), methodStr(EcoResProductReleaseManager, release))]

public static void EcoResProductReleaseManager_Post_release(XppPrePostArgs args){

? ? ?EcoResProductReleaseManager releaseMgr;

? ? //Getting the class object

? ? releaseMgr???? = args.getThis();

? ?//Getting the class parameter

? ?ItemId itemId? = releaseMgr.parmItemId();

? ?//Getting the method argument

? ? boolean itemCreation = args.getArg("_isCreation");

}

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Post handler for overriding table methods modified field and validate Write

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[PostHandlerFor(tableStr(InventTable), tableMethodStr(InventTable, validateWrite))]

public static void InventTable_Post_validateWrite(XppPrePostArgs args)

{

????? InventTable inventTable = args.getThis() as InventTable

????? boolean ret = true;

????? // Override the validations here and set the return value accordingly.

?????? Args.setReturnValue(ret);

}

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[PostHandlerFor(tableStr(InventTable), tableMethodStr(InventTable, modifiedField))]

public static void InventTable_Post_modifiedField(XppPrePostArgs args)

{

??????? //Getting the table buffer

??????? InventTable inventTable = args.getThis() as InventTable

?????? //Getting the field id method argument.

??????? FieldId fieldModified = args.getArg("_fieldId");

??????? switch (fieldModified)

??????? {

??????????? //Here you can write your logic on modified field method

??????????????? break;

??????? }

}

窗體內(nèi)的方法

[ExtensionOf(formStr(PurchTable))]
final class RIC_PurchTable_Extension
{/// <summary>////// </summary>/// <param name="args"></param>[PostHandlerFor(formStr(PurchTable), formMethodStr(PurchTable, updateControlsForFrenchConfirmedPO))]public static void PurchTable_Post_updateControlsForFrenchConfirmedPO(XppPrePostArgs args){FormRun sender = args.getThis();FormDataSource purchTable_DS;PurchTable purchTable;boolean canEnable;if (PublicSectorUtils::isFrenchRegulatoryEnabled()){purchTable_DS = sender.dataSource(formDataSourceStr(PurchTable, PurchTable));purchTable = purchTable_DS.cursor();canEnable = purchTable.canModifyPurchaseOrder();purchLine_PurchPriceGrid.allowEdit(canEnable);}}}

Override Form DataSource method using Extensions in D3fO

[FormDataSourceEventHandler(formDataSourceStr(SalesTable, SalesLine), FormDataSourceEventType::Activated)] public static void SalesLine_OnActivated(FormDataSource sender, FormDataSourceEventArgs e) {????? ??????? FormDataSource????? fds = sender.formRun().dataSource("SalesLine"); ??????? SalesLine?????????? salesline = fds.cursor(); ??????? FormRun???????????? fr = sender.formRun(); ??????? FormControl???????? fc = fr.design(0).controlName("CreateServiceOrder");??????? ??????? if(salesLine.ProjID) ??????? { ??????????? fc.enabled(true); ??????? } ??????? else ??????? { ??????????? fc.enabled(false); ??????? } ??? }

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