# Function Reference

# WinSetTrans

Sets the transparency of a window.

WinSetTrans ( "title", "text", transparency )

## Parameters

title | The title/hWnd/class of the window to change. See Title special definition.
text | The text of the window to change. See Text special definition.
transparency | A number in the range 0 - 255. The lower the number, the more transparent the window will become. 255 = Solid, 0 = Invisible.

## Return Value

Success: | Non-zero.
Failure: | 0 and sets the @error flag to non-zero if no supported on the OS.

## Remarks

Screen color must be greater or equal to 16-bit.

## Example

    Example()

    Func Example()
        ; Run Notepad
        Run("notepad.exe")

        Local $hWnd = WinWaitActive("[CLASS:Notepad]", "")

        ; Set the transparency of the Notepad window to 170.
        WinSetTrans($hWnd, "", 170)

        ; Wait for 2 seconds to display the Notepad window.
        Sleep(2000)

        ; Close the Notepad window using the handle returned by WinWaitActive.
        WinClose($hWnd)
    EndFunc   ;==>Example