The WM_TCARD message is sent to an application that has initiated a training card with Windows Help. The message informs the application when the user clicks an authorable button. An application initiates a training card by specifying the HELP_TCARD command in a call to the WinHelp function.
WM_TCARD
idAction = wParam;
dwActionData = lParam;
Parameters
idAction
Value of wParam. Indicates the action the user has taken. This parameter can be one of these values:
| Value | Meaning |
| IDABORT | The user clicked an authorable Abort button. |
| IDCANCEL | The user clicked an authorable Cancel button. |
| IDCLOSE | The user closed the training card. |
| IDHELP | The user clicked an authorable Windows Help button. |
| IDIGNORE | The user clicked an authorable Ignore button. |
| IDOK | The user clicked an authorable OK button. |
| IDNO | The user clicked an authorable No button. |
| IDRETRY | The user clicked an authorable Retry button. |
| HELP_TCARD_DATA | The user clicked an authorable button. The lParam parameter contains a long integer specified by the help author. |
| HELP_TCARD_NEXT | The user clicked an authorable Next button. |
| HELP_TCARD_OTHER_CALLER | Another application has requested training cards. |
| IDYES | The user clicked an authorable Yes button. |
dwActionData
Value of lParam. If idAction specifies HELP_TCARD_DATA, this parameter is a long integer specified by the help author. Otherwise, this parameter is zero.
Return Values
The return value is ignored; use zero.
See Also