OleUIBusy

Invokes the standard Busy dialog box, allowing the user to manage concurrency.

UINT OleUIBusy(

LPOLEUIBUSY lpBZ
//Points to the initialization structure
);

Parameter

lpBZ

Points to an OLEUIBUSY structure that contains information used to initialize the dialog box.

Return Values

Standard Success/Error Definitions

OLEUI_FALSE

Unknown failure (unused).

OLEUI_SUCCESS

No error, same as OLEUI_OK

OLEUI_OK

The user pressed theOK button.

OLEUI_CANCEL

Indicates that user has pressed the Cancel button and that the caller should cancel the operation.

OLEUI_BZ_SWITCHTOSELECTED

Indicates that the user has pressed Switch To and OleUIBusy was unable to determine how to switch to the blocking application. In this case, the caller should either take measures to attempt to resolve the conflict itself, if possible, or retry the operation. OleUIBusy will only return OLEUI_BZ_SWITCHTOSELECTED if the user has pressed the Switch To button, hTask is NULL and the BZ_NOTREESPONDING flag is set.

OLEUI_BZ_RETRYSELECTED

Indicates that the user has either pressed the Retry button or attempted to resolve the conflict (probably by switching to the blocking application). In this case, the caller should retry the operation.

OLEUI_BZ_CALLUNBLOCKED

Indicates that the dialog has been informed that the operation is no longer blocked.

Standard Field Validation Errors

OLEUI_ERR_STANDARDMIN

Errors common to all dialogs lie in the range OLEUI_ERR_STANDARDMIN to OLEUI_ERR_STANDARDMAX. This value allows the application to test for standard messages in order to display error messages to the user.

OLEUI_ERR_STRUCTURENULL

The pointer to an OLEUIXXX structure passed into the function was NULL.

OLEUI_ERR_STRUCTUREINVALID

Insufficient permissions for read or write access to an OLEUIXXX structure.

OLEUI_ERR_CBSTRUCTINCORRECT

The cbstruct value is incorrect.

OLEUI_ERR_HWNDOWNERINVALID

The hWndOwner value is invalid.

OLEUI_ERR_LPSZCAPTIONINVALID

The lpszCaption value is invalid.

OLEUI_ERR_LPFNHOOKINVALID

The lpfnHook value is invalid.

OLEUI_ERR_HINSTANCEINVALID

The hInstance value is invalid.

OLEUI_ERR_LPSZTEMPLATEINVALID

The lpszTemplate value is invalid.

OLEUI_ERR_HRESOURCEINVALID

The hResource value is invalid.

Initialization Errors

OLEUI_ERR_FINDTEMPLATEFAILURE

Unable to find the dialog template.

OLEUI_ERR_LOADTEMPLATEFAILURE

Unable to load the dialog template.

OLEUI_ERR_DIALOGFAILURE

Dialog initialization failed.

OLEUI_ERR_LOCALMEMALLOC

A call to LocalAlloc or the standard IMalloc allocator failed.

OLEUI_ERR_GLOBALMEMALLOC

A call to GlobalAlloc or the standard IMalloc allocator failed.

OLEUI_ERR_LOADSTRING

Unable to LoadString localized resources from the library.

OLEUI_ERR_OLEMEMALLOC

A call to the standard IMalloc allocator failed.

Function Specific Errors

OLEUI_ERR_STANDARDMAX

Errors common to all dialogs lie in the range OLEUI_ERR_STANDARDMIN to OLEUI_ERR_STANDARDMAX. This value allows the application to test for standard messages in order to display error messages to the user.

OLEUI_BZERR_HTASKINVALID

The hTask specified in the hTask member of the OLEUIBUSY structure is invalid.

Comments

The standard OLE Server Busy dialog box notifies the user that the server application is not receiving messages. The dialog then asks the user to either cancel the operation, switch to the task which is blocked, or continue waiting.

See Also

OLEUIBUSY

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