VP IMPORT FROM BLOB
VP IMPORT FROM BLOB ( vpAreaName : Text ; vpBlob : 4D.blob { ; paramObj : Object} )
| Parameter | Type | Description | |
|---|---|---|---|
| vpAreaName | Text | -> | 4D View Pro area form object name |
| vpBlob | 4D.Blob | -> | Blob containing a 4D View Pro document |
| paramObj | Object | -> | Import options |
Description
The VP IMPORT FROM BLOB command imports the vpBlob in the 4D View Pro area vpAreaName and replaces its contents. vpBlob must contain a 4D View Pro document previously saved as Blob either by using the VP EXPORT TO BLOB command or via the 4D View Pro interface.
In paramObj, you can pass several properties:
| Property | Type | Description |
|---|---|---|
| formula | 4D.Function | Callback method to be launched when the import has completed. See Passing a callback method (formula). |
| calcOnDemand | Boolean | Whether to calculate formulas only when they are demanded, default=false. |
| dynamicReferences | Boolean | Whether to calculate functions with dynamic reference, default=true. |
| fullRecalc | Boolean | Whether to calculate after loading the json data, false by default. |
| includeFormulas | Boolean | Whether to include the formula when loading, default=true. |
| includeStyles | Boolean | Whether to include the style when loading, default=true. |
| includeUnusedStyles | Boolean | Whether to include the unused name style when converting excel xml to the json, default=true. |
| openMode | Integer | can be: 0: normal open mode, without lazy and incremental. When opening document, UI and UI event could be refreshed and responsive at specific time points. 1: lazy open mode. When opening document, only the active sheet will be loaded directly. Other sheets will be loaded only when they are be used. 2: incremental open mode. When opening document, UI and UI event could be refreshed and responsive directly. |
The following parameters can be used in the callback method:
| Parameter | Type | Description | |
|---|---|---|---|
| param1 | text | The name of the 4D View Pro area object | |
| param2 | 4D.Blob | The imported blob | |
| param3 | object | A reference to the command's paramObj parameter | |
| param4 | object | An object returned by the method with a status message | |
| .success | boolean | True if import with success, False otherwise. | |
| .errorCode | integer | Error code. | |
| .errorMessage | text | Error message. |
Example
You want to import into the "ViewProArea" a 4D View Pro document previously saved as Blob in the first entity of the Table dataclass.
var $myBlobDocument : 4D.Blob :=ds.Table.all().first().blob
VP IMPORT FROM BLOB("ViewProArea"; $myBlobDocument)