DesktopButton.Caption
From Xojo Documentation
Property (As String )
aDesktopButton.Caption = newStringValue
or
StringValue = aDesktopButton.Caption
New in 2021r3
Supported for all project types and targets.
or
StringValue = aDesktopButton.Caption
New in 2021r3
Supported for all project types and targets.
The caption of a control.
Notes
To set an accelerator character, precede the character in the Caption with an ampersand. In order to show an ampersand in the Caption, use two ampersands in a row.
Sample Code
This code sets the caption of the control to "OK".
Me.Caption = "OK"
This code in the Pressed event handler for a DesktopPushButton changes the text of the button each time it is pressed: