diff --git a/lcl/forms.pp b/lcl/forms.pp
index b18b91e86a..a0f9afa9cc 100644
--- a/lcl/forms.pp
+++ b/lcl/forms.pp
@@ -26,7 +26,7 @@
 
 unit Forms;
 
-{$mode objfpc}{$H+}
+{$mode objfpc}{$H+}{$macro on}
 
 interface
 
@@ -1456,6 +1456,11 @@ procedure Register;
 
 implementation
 
+{$ifdef WinCE}
+  {$define extdecl := cdecl}
+{$else}
+  {$define extdecl := stdcall}
+{$endif}
 
 uses
   WSForms; // Widgetset uses circle is allowed
diff --git a/lcl/include/screen.inc b/lcl/include/screen.inc
index 61da19eea8..f0ba0fb631 100644
--- a/lcl/include/screen.inc
+++ b/lcl/include/screen.inc
@@ -28,7 +28,7 @@ const
   );
 
 function EnumMonitors(hMonitor: HMONITOR; hdcMonitor: HDC; lprcMonitor: PRect;
-    dwData: LPARAM): LongBool; stdcall;
+    dwData: LPARAM): LongBool; extdecl;
 var
   Screen: TScreen absolute dwData;
   Monitor: TMonitor;
@@ -39,6 +39,19 @@ begin
   Result := True;
 end;
 
+function EnumFontsNoDups(var LogFont: TEnumLogFontEx; var Metric: TNewTextMetricEx;
+  FontType: Longint; Data: LParam): LongInt; extdecl;
+var
+  L: TStrings;
+  S: String;
+begin
+  L := TStrings(PtrInt(Data));
+  S := LogFont.elfLogFont.lfFaceName;
+  if L.IndexOf(S) < 0 then
+    L.Add(S);
+  Result := 1;
+end;
+
 {------------------------------------------------------------------------------
   Method: TScreen.Create
   Params:  AOwner: the owner of the class
@@ -420,22 +433,6 @@ begin
     Result := nil;
 end;
 
-function EnumFontsNoDups(
-  var LogFont: TEnumLogFontEx;
-  var Metric: TNewTextMetricEx;
-  FontType: Longint;
-  Data: LParam):LongInt; stdcall;
-var
-  L: TStrings;
-  S: String;
-begin
-  L := TStrings(PtrInt(Data));
-  S := LogFont.elfLogFont.lfFaceName;
-  if L.IndexOf(S)<0 then
-    L.Add(S);
-  result := 1;
-end;
-
 procedure GetScreenFontsList(FontList: TStrings);
 var
   lf: TLogFont;
diff --git a/lcl/interfaces/wince/wincecallback.inc b/lcl/interfaces/wince/wincecallback.inc
index b0d8805d3d..c779c5173d 100644
--- a/lcl/interfaces/wince/wincecallback.inc
+++ b/lcl/interfaces/wince/wincecallback.inc
@@ -180,7 +180,7 @@ type
   Handles the messages sent to the specified window, in parameter Window, by
   Windows or other applications
  ------------------------------------------------------------------------------}
-Function
+function
 {$ifdef MSG_DEBUG}
   RealWindowProc
 {$else}
diff --git a/lcl/interfaces/wince/wincedef.pp b/lcl/interfaces/wince/wincedef.pp
index c81e2dd44b..ee56bab8c1 100644
--- a/lcl/interfaces/wince/wincedef.pp
+++ b/lcl/interfaces/wince/wincedef.pp
@@ -110,8 +110,11 @@ type
     TimerFunc: TFNTimerProc; // owner function to handle timer
   end;
 
-function EnumDisplayMonitors(hdc: HDC; lprcClip: PRect; lpfnEnum: MONITORENUMPROC; dwData: LPARAM): LongBool; external KernelDLL name 'EnumDisplayMonitors';
-function GetMonitorInfo(hMonitor: HMONITOR; lpmi: PMonitorInfo): LongBool; external KernelDLL name 'GetMonitorInfo';
+function EnumDisplayMonitors(hdc: HDC; lprcClip: PRect; lpfnEnum: MONITORENUMPROC; dwData: LPARAM): LongBool; cdecl; external KernelDLL name 'EnumDisplayMonitors';
+function GetMonitorInfo(hMonitor: HMONITOR; lpmi: PMonitorInfo): LongBool; cdecl; external KernelDLL name 'GetMonitorInfo';
+function MonitorFromWindow(hWnd: HWND; dwFlags: DWORD): HMONITOR; cdecl; external KernelDLL name 'MonitorFromWindow';
+function MonitorFromRect(lprcScreenCoords: PRect; dwFlags: DWord): HMONITOR; cdecl; external KernelDLL name 'MonitorFromRect';
+function MonitorFromPoint(ptScreenCoords: TPoint; dwFlags: DWord): HMONITOR; cdecl; external KernelDLL name 'MonitorFromPoint';
 
 var
   // FTimerData contains the currently running timers
diff --git a/lcl/interfaces/wince/winceextra.pp b/lcl/interfaces/wince/winceextra.pp
index 94f5b9a68c..26e1a37a4b 100644
--- a/lcl/interfaces/wince/winceextra.pp
+++ b/lcl/interfaces/wince/winceextra.pp
@@ -83,7 +83,7 @@ const
 {$ifdef win32}
 function ImageList_Copy(himlDst: HIMAGELIST; iDst: longint; himlSrc: HIMAGELIST; Src: longint; uFlags: UINT): BOOL; stdcall; external 'comctl32';
 {$else}
-function ImageList_Copy(himlDst: HIMAGELIST; iDst: longint; himlSrc: HIMAGELIST; Src: longint; uFlags: UINT): BOOL; stdcall; external KernelDLL;
+function ImageList_Copy(himlDst: HIMAGELIST; iDst: longint; himlSrc: HIMAGELIST; Src: longint; uFlags: UINT): BOOL; cdecl; external KernelDLL;
 {$endif}
 
 const
diff --git a/lcl/interfaces/wince/winceint.pp b/lcl/interfaces/wince/winceint.pp
index 9a33a9ed62..c830316a27 100644
--- a/lcl/interfaces/wince/winceint.pp
+++ b/lcl/interfaces/wince/winceint.pp
@@ -12,7 +12,7 @@
  *                                                                           *
  *  This file is part of the Lazarus Component Library (LCL)                 *
  *                                                                           *
- *  See the file COPYING.modifiedLGPL.txt, included in this distribution,        *
+ *  See the file COPYING.modifiedLGPL.txt, included in this distribution,    *
  *  for details about the copyright.                                         *
  *                                                                           *
  *  This program is distributed in the hope that it will be useful,          *
diff --git a/lcl/interfaces/wince/wincewinapi.inc b/lcl/interfaces/wince/wincewinapi.inc
index 9b397a471f..2e18307d4a 100644
--- a/lcl/interfaces/wince/wincewinapi.inc
+++ b/lcl/interfaces/wince/wincewinapi.inc
@@ -1889,6 +1889,21 @@ begin
     PWideChar(WideLPCaption), UType);
 end;
 
+function TWinCEWidgetSet.MonitorFromPoint(ptScreenCoords: TPoint; dwFlags: DWord): HMONITOR;
+begin
+  Result := WinCEDef.MonitorFromPoint(ptScreenCoords, dwFlags);
+end;
+
+function TWinCEWidgetSet.MonitorFromRect(lprcScreenCoords: PRect; dwFlags: DWord): HMONITOR;
+begin
+  Result := WinCEDef.MonitorFromRect(lprcScreenCoords, dwFlags);
+end;
+
+function TWinCEWidgetSet.MonitorFromWindow(hWnd: HWND; dwFlags: DWord): HMONITOR;
+begin
+  Result := WinCEDef.MonitorFromWindow(hWnd, dwFlags);
+end;
+
 {------------------------------------------------------------------------------
   Method:  MoveToEx
   Params:  DC       - handle of device context
diff --git a/lcl/interfaces/wince/wincewinapih.inc b/lcl/interfaces/wince/wincewinapih.inc
index b65064a9a0..178cdeb829 100644
--- a/lcl/interfaces/wince/wincewinapih.inc
+++ b/lcl/interfaces/wince/wincewinapih.inc
@@ -163,6 +163,9 @@ procedure LeaveCriticalSection(var CritSection: TCriticalSection); override;
 function LineTo(DC: HDC; X, Y: Integer): Boolean; override;
 
 function MessageBox(hWnd: HWND; lpText, lpCaption: PChar; uType: Cardinal): integer; override;
+function MonitorFromPoint(ptScreenCoords: TPoint; dwFlags: DWord): HMONITOR; override;
+function MonitorFromRect(lprcScreenCoords: PRect; dwFlags: DWord): HMONITOR; override;
+function MonitorFromWindow(hWnd: HWND; dwFlags: DWord): HMONITOR; override;
 function MoveToEx(DC: HDC; X, Y: Integer; OldPoint: PPoint): Boolean; override;
 {function MoveWindowOrgEx(DC: HDC; dX, dY: Integer): Boolean; override;}
 function PeekMessage(var lpMsg : TMsg; Handle : HWND; wMsgFilterMin, wMsgFilterMax,wRemoveMsg : UINT): Boolean; override;
diff --git a/lcl/interfaces/wince/wincewsforms.pp b/lcl/interfaces/wince/wincewsforms.pp
index 496f9e8af2..70a6f5ee7b 100644
--- a/lcl/interfaces/wince/wincewsforms.pp
+++ b/lcl/interfaces/wince/wincewsforms.pp
@@ -152,7 +152,7 @@ end;
 function ScrollWindowPtr(hWnd:HWND; XAmount:longint; YAmount:longint; lpRect: pointer; lpClipRect: pointer):WINBOOL; stdcall; external 'user32' name 'ScrollWindow';
 {$else}
 function ScrollWindowPtr(hWnd:HWND; dx:longint; dy:longint; prcScroll: lpRECT; prcClip: lpRECT;
-  hrgnUpdate: HRGN; prcUpdate: LPRECT; flags:UINT):longint; external KernelDll name 'ScrollWindowEx';
+  hrgnUpdate: HRGN; prcUpdate: LPRECT; flags:UINT):longint; cdecl; external KernelDll name 'ScrollWindowEx';
 {$endif}
 
 class procedure TWinCEWSScrollingWinControl.ScrollBy(const AWinControl: TScrollingWinControl;
diff --git a/lcl/interfaces/wince/wincewsstdctrls.pp b/lcl/interfaces/wince/wincewsstdctrls.pp
index 2d01774732..c8cf917ee9 100644
--- a/lcl/interfaces/wince/wincewsstdctrls.pp
+++ b/lcl/interfaces/wince/wincewsstdctrls.pp
@@ -376,7 +376,7 @@ end;
 //roozbeh:there are still some issues with group box!
 
 function GroupBoxPanelWindowProc(Window: HWnd; Msg: UInt; WParam: Windows.WParam;
-    LParam: Windows.LParam): LResult; stdcall;
+    LParam: Windows.LParam): LResult; {$ifdef win32}stdcall{$else}cdecl{$endif};
 begin
   // handle paint messages for theming
   case Msg of
diff --git a/lcl/lcltype.pp b/lcl/lcltype.pp
index 8bc370d57d..320371a7a2 100644
--- a/lcl/lcltype.pp
+++ b/lcl/lcltype.pp
@@ -36,7 +36,7 @@ the Delphi Windows unit. This is only done for compatibiltiy.
 
 unit LCLType;
 
-{$mode objfpc}{$H+}
+{$mode objfpc}{$H+}{$macro on}
 
 interface
 
@@ -54,6 +54,12 @@ uses
 {$endif WINDOWS}
   Classes, SysUtils;
 
+{$ifdef WinCE}
+  {$define extdecl := cdecl}
+{$else}
+  {$define extdecl := stdcall}
+{$endif}
+
 type
 {$IFDEF USE_UTF8BIDI_LCL}
   TUTF8Char = UTF8BIDI.TUTF8Char;
@@ -2196,13 +2202,13 @@ type
   end;
 
   FontEnumProc = function (var ELogFont:TEnumLogFont; var Metric:TNewTextMetric;
-    FontType:longint; Data:LParam):longint; stdcall;
+    FontType:longint; Data:LParam):longint; extdecl;
 
   FontEnumExProc = function (var ELogFont: TEnumLogFontEx; var Metric: TNewTextMetricEx;
-    FontType: Longint; Data:LParam):Longint; stdcall;
+    FontType: Longint; Data:LParam):Longint; extdecl;
 
- MonitorEnumProc = function(hMonitor: HMONITOR; hdcMonitor: HDC; lprcMonitor: PRect;
-    dwData: LPARAM): LongBool; stdcall;
+  MonitorEnumProc = function(hMonitor: HMONITOR; hdcMonitor: HDC; lprcMonitor: PRect;
+    dwData: LPARAM): LongBool; extdecl;
 
   PWndClassExA = ^TWndClassExA;
   PWndClassExW = ^TWndClassExW;