NPP does not show toolbar if opened from system tray

[SinghRajenM]

Description of the Issue

Use minimize to system tray functionality and then try to open the npp. Toolbar is not visible.

Steps to Reproduce the Issue

1. Open NPP (make sure toolbar is visible) and enable minimize to system tray
   Settings->preferences->MISC->Minimize to system tray
2. Now minimize the NPP
3. Try to launch npp from system tray
   right click on npp system tray icon, then click on either "Activate" or "Open...". If click on open, then don't open any file, simply click on cancel on file selection dialog.

Expected Behavior

Toolbar must be visible.

Actual Behavior

Toolbar is not visible.

Debug Information

Notepad++ v7.2.1 (32-bit)
Build time : Nov 20 2016 - 22:42:51
Path : C:\Program Files (x86)\Notepad++\notepad++.exe
Admin mode : OFF
Local Conf mode : OFF
OS : Windows 10
Plugins : DSpellCheck2.dll mimeTools.dll NppConverter.dll NppExport.dll PluginManager.dll

[donho]

@SinghRajenM I cannot reproduce it from my Windows 10 machine with 32-bit as well.

[vlakoff]

I can reproduce it. Windows 7 (64-bit) with Notepad++ 7.3.1 (32 bit).

Actually there are several bugs:

• Toolbar missing
• Plugin panes missing (Light Explorer and SourceCookifier), but look at the small bits of them at top left and top right of window
• Status bar background missing

If this can help to debug, I noticed the bug happens only the first time:

• Start Notepad++, minimize to tray, restore : bug
• Minimize again to tray, restore : still bug
• Switch window size from "maximized" to "normal" (then back to maximized if you wish):
  • fixes the display
  • the bug doesn't occur anymore when minimizing to tray / restoring