Each ComboBox item with own icon? No problem. Using OwnerDraw style, we can do almost anything. Continue Reading »

Using this simple tip, you can block your application to be executable only once per windows sessions. To run application again, Windows must be restarted before. Continue Reading »

Standard text cursor is boring. What about replacing default vertical line with some cool shape? Continue Reading »

If you want to add own items to Tools menu of Internet Explorer, it’s simple. All we have to do is to add some keys to Windows registry, therefore we must use Registry unit. Continue Reading »

Detecting clipboard change is very similar to detecting system time change. We will detect WM_DRAWCLIPBOARD system message. Continue Reading »

If the user changes the system time either with Date and Time properties dialog box or using command line, we can detect this by catching WM_TIMECHANGE system message. Here is how. Continue Reading »

The default ListBox items alignment is LeftJustify. There is no Object Inspector property to change this, so if we need to right justify items, we must use a simple trick. Continue Reading »

If you want to know how many bytes of memory is using your process, here is simple example. Continue Reading »

Hints are everywhere. Almost every GUI element in Windows can be “hinted”. When user hover mouse over element, small yellow bubble with help text pops up. Is it possible to change hint “window” behavior? Of course… Continue Reading »

To change background color of ListView items, you need to write your own OnCustomDrawItem event handler. Continue Reading »