Use the Splash Screen Properties dialog to select images to use with splash screens and to change the amount of time the image is displayed. You can also use this dialog to find out the name of an image used with a splash screen.
Image file for splash: Displays the name of the image file assigned to the control.
Displays the Browse dialog. From this
dialog, you can browse to the image you want to use, select it, and copy
it into your project. Both .GIF files and Windows bitmaps (.BMP files)
can be used with splash screens.
Duration of splash display (seconds): Defines the amount of time the image is displayed (in seconds) when the topic opens.