Simulates the action of a button click in a task dialog.
An int that specifies the ID of the button to be clicked.
Must be zero.
The return value is ignored.
The button ID specified by wParam is sent to the TaskDialogCallbackProc callback function as part of a TDN_BUTTON_CLICKED notification code. After the callback function returns, the task dialog is closed if S_OK was returned from the callback function. If S_FALSE was returned from the callback function, the task dialog remains active.
|Minimum supported client
||Windows Vista [desktop apps only]
|Minimum supported server
||Windows Server 2008 [desktop apps only]