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TDN_DESTROYED notification code (Commctrl.h)
Sent by a task dialog when it is destroyed and its window handle is no longer valid. This notification code is received only through the task dialog callback function, which can be registered using the TaskDialogIndirect method.
bbebb77f-e078-46bf-a42d-65dab4f8a972
TDN_DESTROYED notification code Windows Controls
apiref
TDN_DESTROYED
Commctrl.h
HeaderDef
reference
05/31/2018

TDN_DESTROYED notification code

Sent by a task dialog when it is destroyed and its window handle is no longer valid. This notification code is received only through the task dialog callback function, which can be registered using the TaskDialogIndirect method.

TDN_DESTROYED

   WPARAM wParam;
   LPARAM lParam;

Parameters

wParam

Must be zero.

lParam

Must be zero.

Return value

The return value is ignored.

Requirements

Requirement Value
Minimum supported client
 Windows Vista [desktop apps only]
Minimum supported server
 Windows Server 2008 [desktop apps only]
Header
Commctrl.h