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<< Click to Display Table of Contents >> OnBeforeOpenFile Event |
  
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<< Click to Display Table of Contents >> OnBeforeOpenFile Event |
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Is fired when the user clicked the Open File button in the toolbar (or pushed the corresponding key).
OnBeforeOpenFile(
Sender: TVPEngine;
var Cancel: Boolean
)
Sender
the VPE object that fired the event
Cancel
is a return-parameter, i.e. you can assign it one of the following values to control the resulting action of VPE:
Value |
Description |
False |
continue operation |
True |
cancel the event, i.e. deny that the file open dialog will be shown. Cancelling the operation allows you to display your own open dialog and to import or create your own document, for example from a database via a memory stream.. |