Merge pull request elfmz#2673 from akruphi/prevent_blinking

prevent blinking in attributes and flags dialogs

Author: elfmz

far2l/src/chattr.cpp

@@ -230,6 +230,7 @@ static void flags_show(HANDLE hDlg, bool toggle)
 	if (toggle && sel_pos)
 		FFFlags->FlagInverse(flags_list[ListPos.SelectPos].flag);
 
+	SendDlgMessage(hDlg, DM_ENABLEREDRAW, FALSE, 0);
 	ListBox->DeleteItems();
 	for (unsigned i=0; i<ARRAYSIZE(flags_list); i++) {
 		GetFlagStr2BarList(i, ch, strListBoxLine,
@@ -243,6 +244,7 @@ static void flags_show(HANDLE hDlg, bool toggle)
 		ListBox->SetSelectPos(&ListPos);
 		ListBox->FastShow();
 	}
+	SendDlgMessage(hDlg, DM_ENABLEREDRAW, TRUE, 0);
 }
 
 static LONG_PTR WINAPI ChattrDlgProc(HANDLE hDlg, int Msg, int Param1, LONG_PTR Param2)

far2l/src/setattr.cpp

@@ -404,6 +404,7 @@ LONG_PTR WINAPI SetAttrDlgProc(HANDLE hDlg, int Msg, int Param1, LONG_PTR Param2
 			case DN_BTNCLICK:
 			OrigIdx = DialogID2PreservedOriginalIndex(Param1);
 			if (OrigIdx != -1 || Param1 == SA_CHECKBOX_SUBFOLDERS) {
+				SendDlgMessage(hDlg, DM_ENABLEREDRAW, FALSE, 0);
 				if (OrigIdx != -1) {
 					DlgParam->OriginalCBAttr[OrigIdx] = static_cast<int>(Param2);
 					DlgParam->OriginalCBAttr2[OrigIdx] = 0;
@@ -520,6 +521,7 @@ LONG_PTR WINAPI SetAttrDlgProc(HANDLE hDlg, int Msg, int Param1, LONG_PTR Param2
 					SetAttrCalcBitsCharFromModeCheckBoxes(hDlg);
 					DlgParam->_b_mode_check_or_edit_process = false;
 				}
+				SendDlgMessage(hDlg, DM_ENABLEREDRAW, TRUE, 0);
 
 				return TRUE;
 			}