DM_SET3STATE

The DM_SET3STATE message is sent to the dialog manager to change the style of a DI_CHECKBOX item.

Param1

The ID of the dialog item that you want to change.

Param2

TRUE - the check box can have 3 states
FALSE - the check box can have only 2 states.

Return

Previous style of the item.

Controls

Control	Description
DI_CHECKBOX	Check Box

Remarks

Example

See also:

DialogEx | DM_GETCHECK | DM_SETCHECK.