WM SAVEAPPLICATION
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This message is sent by the system to notify an application to save its current state.
Syntax
param1 ULONG ulReserved; /* Reserved value, should be 0. */ param2 ULONG ulReserved; /* Reserved value, should be 0. */
Parameters
- ulReserved (ULONG) - input
- Reserved value, should be 0.
- ulReserved (ULONG) - input
- Reserved value, should be 0.
Returns
- ulReserved (ULONG) - returns
- Reserved value, should be 0.
Remarks
When an application receives this message, it is expected to save its current state by any convenient method, for example, in a profile or in an auxiliary file.
It is the responsibility of the application to use the saved information, as appropriate, when it is resumed.
Even if the application processes this message, it should also pass it to the default window procedure, by using the WinDefWindowProc call.
Default Processing
The default window procedure takes no action on this message, other than to set ulReserved to 0.