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<< Click to Display Table of Contents >> VPE_CTRL_CAN_EXIT |
  
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<< Click to Display Table of Contents >> VPE_CTRL_CAN_EXIT |
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[Windows platform only, Interactive Edition and above]
The user wishes to remove the focus from the currently focused Control. In response to this event your application can evalute the value of the Control and decide, whether the current value is valid and the Control may lose the focus or not.
VPE_CTRL_CAN_EXIT
WPARAM wParam
LPARAM lParam
Parameters:
wParam
contains the object-handle of the object, which fired the event
lParam
contains the document-handle, so you can determine which document has sent the message
Remarks:
Your application should return:
Value |
Description |
0 |
yes, the control may loose the focus |
1 |
no, the control may not loose the focus |
"Interactive Documents" in the Programmer's Manual.