# Progress SET FONT SIZES > Progress SET FONT SIZES ( sizeTitles {; sizeMessages {; sizeButtons}} ) | Parameter | Type | | Description | | --- | --- | --- | --- | | sizeTitles | Longint | ⬅️ | Size of font for titles | | sizeMessages | Longint | ⬅️ | Size of font for messages | | sizeButtons | Longint | ⬅️ | (Windows) Size of font for Stop buttons | ## Description The **Progress SET FONT SIZES** method changes the font size used for the different text displayed in all the progress windows. In the [sizeTitles](# "Size of font for titles"), [sizeMessages](# "Size of font for messages") and [sizeButtons](# "(Windows) Size of font for Stop buttons") parameters, pass the font sizes to use. If you do not want to modify a size, pass -1 in the corresponding parameter. ### Example 1   We want to change the size only for messages: ```4d  Progress SET FONT SIZES(-1;13) ``` ### Example 2   We want to change the size of titles and messages: ```4d  Progress SET FONTS("Arial Black";"Arial narrow")  Progress SET FONT SIZES(13;12) ``` ![](../Assets/pict925231.en.png) ## See also [Progress SET FONTS](Progress%20SET%20FONTS%20.md)