Problem with windows api SetParent

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Problem with windows api SetParent

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Riccardo Pasqualetti
PowerBuilder
Wednesday, 14 February 2024 02:02 PM UTC

Hi everyone,

I have my application that works into SAP BusinessOne

To open my windows into SAP MDI I get SAP MDI handle's and set this as parent to my windows using windows api SetParent

I don't know why but some windows open without issue others don't show, powerbuilder function Open works but window is not visible.

I'm using PowerBuilder 2022 R3 3289 on Windows 2019 Server 64bit, 64bit environment

If I use my application builded with PowerBuilder R2 build 2819 I don't have this issue.

Any suggestions?

Thanks

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Window open event

long ll_rc
long ll_hPBWindow
long ll_parent_handle

ll_parent_handle = wf_get_handle_sap(string(gole_sbo_application.Desktop.Title))
ll_hPBWindow = handle(This)

ll_rc = SetParent( ll_hPBWindow, ll_parent_handle)

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Function to get SAP MDI handle's wf_get_handle_sap(string as_windowname)

Constant long GW_HWNDFIRST = 0
Constant long GW_HWNDLAST = 1
Constant long GW_HWNDNEXT = 2
Constant long GW_HWNDPREV = 3
Constant long GW_OWNER = 4
Constant long GW_CHILD = 5
Constant long GW_MAX = 5
Constant long MAX_WIDTH = 1255

long ll_hFrameWindow
long ll_hParentWindow
long ll_Desktop
long ll_Child

String ls_WindowName
String ls_ClassName
String ls_ieopened

SetNull( ls_WindowName )

ll_hFrameWindow = FindWindowA( 'TMFrameClass', as_windowname)

ll_Child = GetWindow( ll_hFrameWindow, GW_CHILD )

DO WHILE (ll_Child > 0)
ls_ClassName = Space(MAX_WIDTH)
ls_WindowName = Space(MAX_WIDTH)

GetClassNameW( ll_Child, ls_ClassName, MAX_WIDTH )
GetWindowTextW( ll_Child, ls_WindowName, MAX_WIDTH )

IF ls_classname = 'TMMDIClientClass' and IsWindowVisible(ll_Child) THEN
Return ll_Child
END IF

ll_Child = GetWindow( ll_Child, GW_HWNDNEXT )
LOOP

Return ll_Child

------------------------------------------------------------------------------------------------------------

Powerbuilder Upgrade to PB2022 R2 - External Functions Decla... SaveAs XLSX DLL

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