|Click "Capture > Active Window" menu item to capture
the "topmost" window, or the window that currently has focus. You can also set the Default / Last capture to
Active Window under the Capture tab of Capture settings
dialog, then press the hotkey or click "Capture > Default / Last capture"
menu item to start capture.
When capturing, Quick Screenshot Maker will
hides itself. To view Quick Screenshot Maker after capture, check the
"Show main window" option under the Edit tab of Capture settings
dialog, if not, Quick Screenshot Maker will be minimized (visible only on
the system tray area) and you'll have to click on it to open it up again.
If you want to include cursor, check the Include cursor image
option under the Capture tab of Capture settings dialog.
The program will finish capture active window immediately after you start
capture. You can see the captured image in the viewer.