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Sets titlebar transparency.

Component Version macOS Windows Linux Server FileMaker iOS SDK
Window 6.0 ✅ Yes ❌ No ❌ No ❌ No ❌ No


This function was deprecated.

MBS( "Window.SetTitlebarAppearsTransparent"; WindowRef; Value )   More


Parameter Description Example
WindowRef Window Reference is the unique OS level window ID. You can obtain this by using the Window.FindByTitle or Window.FindByIndex functions. Pass zero to access the frontmost window. 0
Value The new visible setting.
Pass 1 to make transparent.
Pass 0 to make opaque.


Returns OK or error.


Sets titlebar transparency.
When 1, the titlebar doesn't draw its background, allowing all buttons to show through, and "click through" to happen. In general, this is only useful when being full screen.


Set titlebar invisible and resize content to fill space:

Set Variable [$r; Value:MBS("Window.SetTitlebarAppearsTransparent"; 0; 1)]
Set Variable [$r; Value:MBS("Window.ResizeContentView"; 0; 0; 0; 0; 22)]

See also

Release notes

  • Version 11.2
    • Deprecated Window.ResizeContentView, Window.GetTitlebarAppearsTransparent and Window.SetTitlebarAppearsTransparent functions.

Blog Entries

Created 16th January 2016, last changed 7th April 2021

Window.SetTitleVisible   -   Window.SetTitlebarSeparatorStyle

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