InfoPath窗体事件列表说明和示例使用
一、事件列表：
|
Name
|
Event handlers
|
Description
|
|
DataDOMEvent object
|
OnBeforeChange
OnValidate
OnAfterChange
|
Returns a reference to a form's underlying XML document, the return status, and other properties that contain information about the XML node during an XML Document Object Model (DOM) change. Also includes a method for raising an error.
|
|
DocActionEvent object
|
OnClick
|
Returns a reference to a form's underlying XML document, the return status, and the source XML node during a button click in the form area.
|
|
DocContextChangeEvent object
|
OnContextChange
|
Returns information about the XML Document Object Model (DOM) node that is the current context of the form's underlying XML document.
|
|
DocEvent object
|
OnSwitchView
OnAfterImport
|
Returns a reference to a form's underlying XML document during a switch view or form merge operation.
|
|
DocReturnEvent object
|
OnLoad
OnSubmitRequest
|
Returns a reference to a form's underlying XML document and the return status during the loading or submission of a form.
|
|
MergeEvent object
|
OnMergeRequest
|
Returns properties and methods that can be used during an OnMergeRequest event to programmatically interact with a form's underlying XML document and to determine merge properties such as the number of files being merged.
|
|
SaveEvent object
|
OnSaveRequest
|
Returns a number of properties and methods that can be used during a save operation from the OnSaveRequest event handler to programmatically interact with a form's underlying XML document, determine save properties, and perform the save operation.
|
|
SignEvent object
|
OnSign
|
Used to add additional data to the digital signature.
|
|
VersionUpgradeEvent object
|
OnVersionUpgrade
|
Returns a reference to a form's underlying XML document, the return status, and the document and solution version numbers during the version upgrade operation.
|
二、使用示例：
//=======
// The following function handler is created by Microsoft Office InfoPath.
// Do not modify the name of the function or the name and number of arguments.
//=======
function XDocument::OnLoad(eventObj)
{
// Write your code here.
}
function msoxd__myField_attr::OnBeforeChange(eventObj)
{
// Determine whether there is a new value.
if (eventObj.NewValue == "")
{
// The value is blank, so display an error message and roll back the changes.
eventObj.ReturnMessage = "You must supply a value for this field.";
eventObj.ReturnStatus = false;
return;
}
}