[Windows 10] no graphs in sysinformation Window shown in Tabletmode

[MagicAndre1981]

When I run Windows 10 in Tabletmode, start ProcessHacker, no graphs are shown in systeminformation window and at closing the Window, PH crashes at VOID PhSipOnNcDestroy (sysinfo.c line 334)

for (i = 0; i < SectionList->Count; i++)

[dmex]

Have you tried any nightly releases?

I can reproduce this in 2.39 stable. Repo steps:

1. Click the Action center icon in the system tray (right next to the clock).
2. Click the Tabet Mode button.
3. Open Process Hacker and open the System Information window.

The window is blank and closing the window causes a crash.

[MagicAndre1981]

I run the latest nightly (32Bit) compiled on my own with Vs2015 Upd2

[tigros]

problem is no WM_SHOWWINDOW message sent to PhSipSysInfoDialogProc in sysinfo.c.

if you move PhSipOnShowWindow(...) to WM_INITDIALOG it works, take it or leave it :)

[dmex]

Tablet mode should really be sending the WM_SHOWWINDOW message since there are likely thousands of other applications that will have similar issues.

[MagicAndre1981]

ok, I've asked Microsoft and I got the answer, that it is by design, that the Tablet mode doesn't send WM_SHOWWINDOW message. So move it to WM_INITDIALOG. Here it works for me as @tigros figured out.

[wj32]

@MagicAndre1981 Did they tell you why it's "by design"?

[MagicAndre1981]

nope, only that it is by design.

[MagicAndre1981]

this quote was highlighted:

When a top-level, overlapped window is created with the WS_MAXIMIZE

so Tablet mode seams to activate this.

[tigros]

out of curiosity i looked up what reactos is doing, so for all the dirty details go to line 2426 of https://doxygen.reactos.org/d0/dcd/ntuser_2winpos_8c_source.html

cheers!

[MagicAndre1981]

@wj32 any update one this? What are your plans to fix it?

[wj32]

I'll fix it when I have time

[MagicAndre1981]

@dmex

can you please add the fix from @tigros ?