WM VRNDISABLED

This message indicates that the window is being sized, or that a WinLockWindowUpdate has been issued for the window or one of its parent windows. Direct drawing to the window should be suspended.

Syntax

param1
    VOID   mp1;      /* Reserved value. */

param2
    VOID   mp2;      /* Reserved value. */

returns
    ULONG  ulReserved; /* Reserved value, should be 0. */

Parameters

mp1 (VOID) - input

Reserved value.

mp2 (VOID) - input

Reserved value.

Returns

ulReserved (ULONG) - returns

Reserved value, should be 0.

Remarks

The window procedure is expected to suspend direct drawing to the window.

Default Processing

The default window procedure takes no action on this message, other than to set ulReserved to 0.