winapi

Add and delete custom printer forms

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 printer forms

Enumerating of printer forms can be done with Windows API EnumForms function.

Get number of jobs in print queue

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

Enumerating jobs in print queue

Enumerating jobs in print queue can be done with

How to delete all Print Jobs from a print queue

All jobs from a print queue can be deleted with

Is user a member of the Administrators group

Tagged:

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.

Obtaining DLL-specific version information

Tagged:

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.

Generate GUID

Tagged:

UDF below generates 128-bit GUID and returns it as a string in the format 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx'.

MSDN:

Creating directory preserving name case

MSDN: