Pane collaspsability

wSplitSetCollapsability
This macro changes the collapsability of a WC_SPLITPANE.
Syntax:
BOOL wSplitSetCollapsability(HWND hwnd, ULONG flag);
Parameters:
HWND hwnd:splitpane window handle.
ULONG flag:SPLITS_HIDENONE to make no pane collapsable,
SPLITS_HIDEPANE1 to make the left/top pane collapsable (the right/bottom pane is unchanged),
SPLITS_HIDEPANE2 to make the right/bottom pane collapsable (the left/top pane is unchanged),
SPLITS_HIDEPANES to make both panes collapsable.
Return value:
BOOL:TRUE if the operation was successful,
FALSE in case of error.
Example:
// make the left/top pane collapsable rc = wSplitSetCollapsability(hwndSplitPane, SPLITS_HIDEPANE1); ...

dSplitSetCollapsability
This macro changes the collapsability of a WC_SPLITPANE.
Syntax:
BOOL dSplitSetCollapsability(HWND hwndDlg, ULONG id, ULONG flag);
Parameters:
HWND hwndDlg:dialog window handle.
ULONG id:splitpane window ID.
ULONG flag:SPLITS_HIDENONE to make no pane collapsable,
SPLITS_HIDEPANE1 to make the left/top pane collapsable (the right/bottom pane is unchanged),
SPLITS_HIDEPANE2 to make the right/bottom pane collapsable (the left/top pane is unchanged),
SPLITS_HIDEPANES to make both panes collapsable.
Return value:
BOOL:TRUE if the operation was successful,
FALSE in case of error.
Example:
// make the left/top pane collapsable rc = dSplitSetCollapsability(hwndDlg, ID_SPLITPANE, SPLITS_HIDEPANE1); ...