Index: uspace/lib/ui/include/types/ui/msgdialog.h
===================================================================
--- uspace/lib/ui/include/types/ui/msgdialog.h	(revision 9a07ee3efa9f0bc51fee1cb5d2a8dd94cb95c6a0)
+++ uspace/lib/ui/include/types/ui/msgdialog.h	(revision bf0716fb24686e0ffa4f402f6a89bd163f14b753)
@@ -58,4 +58,12 @@
 } ui_msg_dialog_choice_t;
 
+/** Message dialog flags */
+typedef enum {
+	/** Topmost window */
+	umdf_topmost = 0x1,
+	/** Place to the center of the screen */
+	umdf_center = 0x2
+} ui_msg_dialog_flags_t;
+
 /** Message dialog parameters */
 typedef struct {
@@ -66,4 +74,6 @@
 	/** The choice that the user is given */
 	ui_msg_dialog_choice_t choice;
+	/** Flags */
+	ui_msg_dialog_flags_t flags;
 } ui_msg_dialog_params_t;