Skip to content

Instantly share code, notes, and snippets.

@CarlTBarnes
Last active June 24, 2020 15:39
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save CarlTBarnes/ed29557b7142ec4695f7d460cabef3fd to your computer and use it in GitHub Desktop.
Save CarlTBarnes/ed29557b7142ec4695f7d460cabef3fd to your computer and use it in GitHub Desktop.
Cascade open MDI Child windows like Clarion RTL STD:CascadeWindow
MAP
MODULE('Win32')
SendMessageA(LONG hWnd, LONG nMsg, LONG wParam, LONG lParam),LONG,PROC,PASCAL,DLL(1)
!https://docs.microsoft.com/en-us/windows/win32/winmsg/wm-mdicascade
. .
CascadeWindows ROUTINE !Like STD:CascadeWindow Clarion RTL
!Message must be sent to the Frame MDI Client Handle and not the Frame Handle
SendMessageA( AppFrame{PROP:ClientHandle} , 0227H, 4, 0)
EXIT
! SendMessage( MdiCLientWindow , WM_MDICASCADE , MDITILE_Xxxxx, 0)
! WM_MDICASCADE equate(0227H)
! wParam The cascade behavior. This parameter can be one or more of the following values.
! Value Meaning
! MDITILE_SKIPDISABLED 0x0002 Prevents disabled MDI child windows from being cascaded.
! MDITILE_ZORDER 0x0004 Arranges the windows in Z order.
! lParam Always Zero
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment