To distribute applications that use reports with custom paper size you have to create custom printer forms on every destination PC that runs Windows 2000 or later. The MS KB article Q157172

explains how it can be done manually. However there's a way to do that programmatically using Windows API.

Enumerating of printer forms can be done with Windows API EnumForms function. Contrary to what MSDN says, it returns the list of all printer forms on PC, not just for the specific printer. On other hand, DeviceCapabilities can return a list of supported paper sizes for the printer.

The number of jobs in print queue can be retrieved by simplified version of Enumerating jobs in print queue

Enumerating jobs in a print queue can be done with

• WMI Win32_PrintJob class
• Windows API EnumJobs function.

All jobs from a print queue can be deleted with

• WMI Win32_Printer class and CancelAllJobs method
• Windows API SetPrinter function.

The comment/uncomment items on the Format menu do not have shortcut keys but they have access keys assigned. Pressing ALT+om and ALT+on on a keyboard will comment/uncomment selected text respectively.

A version of VFP OLE DB provider installed on computer can be retrieved from provider itself or from its DLL through the registry.

The WMI Win32_Process class

represents a process on an operating system.

Sometimes it's important to know if application is running under account that is a member of the Administrators group. There're a few ways to accomplish that.

Most Windows Shell and common controls DLLs implement DllGetVersion function. It allows applications to obtain DLL-specific version information to make sure that required functionality in a DLL is implemented. The Windows API support class

is used to handle Windows API structures.