Hiding Application on Windows Taskbar Win32 API In PowerBuilder

Hiding Application on Windows Taskbar Win32 API In PowerBuilder. With this simple tips you can hide the application on Windows Taskbar even if its running

External Function Prototypes Declaration

//External Function Prototypes Declaration
Function Boolean SetWindowLongA (ULong hWnd, Int nIndex, Long newValue) Library "user32.dll"

1 2	//External Function Prototypes Declaration Function Boolean SetWindowLongA (ULong hWnd, Int nIndex, Long newValue) Library "user32.dll"

PowerScript Add below codes on Open event on main window

//[PowerScript]
If Not SetWindowLongA(Handle(This), -20,128) Then
	MessageBox ('Error','Cannot Hide!')
End If

//[PowerScript]

If Not SetWindowLongA(Handle(This), -20,128) Then

MessageBox ('Error','Cannot Hide!')

End If

Good Luck!

PowerBuilder Tips & Tricks

November 21, 2020

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