CommonGetThemePartSize.cs source code in C# .NET

                        
Code:
                         / 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / wpf / src / UIAutomation / Win32Providers / MS / Internal / AutomationProxies / CommonGetThemePartSize.cs / 1305600 / CommonGetThemePartSize.cs
                        

                        
                            using System; 
using System.Security;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices; 
using Microsoft.Win32.SafeHandles;
using MS.Win32; 
 
namespace MS.Internal.AutomationProxies
{ 
    class ThemePart: IDisposable
    {
        // ------------------------------------------------------
        // 
        //  Constructors
        // 
        //----------------------------------------------------- 

        #region Constructors 

        internal ThemePart (IntPtr hwnd, string sClass)
        {
            if (Environment.OSVersion.Version.Major >= 5) 
            {
                _hTheme = new SafeThemeHandle(OpenThemeData(hwnd, sClass), false); 
            } 
            else
            { 
                _hTheme = new SafeThemeHandle(IntPtr.Zero, false);
            }
        }
 
        public void Dispose ()
        { 
            _hTheme.Dispose(); 
        }
 
        #endregion

        //-----------------------------------------------------
        // 
        //  Internal Methods
        // 
        //----------------------------------------------------- 

        #region Internal Methods 

        // Retreive the dimension of of UI element
        internal NativeMethods.SIZE Size (int iPartId, int iStateId)
        { 
            bool fSuccess = false;
            // Default is (0, 0) 
            NativeMethods.SIZE size = new NativeMethods.SIZE(0, 0); 

            if (!_hTheme.IsInvalid) 
            {
                unsafe
                {
                    fSuccess = GetThemePartSize(_hTheme, IntPtr.Zero, iPartId, iStateId, IntPtr.Zero, (int)THEMESIZE.TS_TRUE, &size) == IntPtr.Zero; 
                }
 
            } 

            // Falls back uses GetSystemMetrics 
            if (!fSuccess)
            {
                // dangerous construct, the iPartId might collide.
                // When entering an entry, make sure that the ID is not previously used. 
                // If it is the case, then an extra parameter needs to be added to this method
                switch (iPartId) 
                { 
                    case (int) STATUSPARTS.SP_GRIPPER:
                        size.cx = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE); 
                        size.cy = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE);
                        break;

                    case (int)SCROLLBARPARTS.SBP_SIZEBOX: 
                        size.cx = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXVSCROLL);
                        size.cy = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYHSCROLL); 
                        break; 

                    case (int)SCROLLBARPARTS.SBP_ARROWBTN: 
                        size.cx = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXHSCROLL);
                        size.cy = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYVSCROLL);
                        break;
 
                    case (int) WINDOWPARTS.WP_MINBUTTON :
                    case (int) WINDOWPARTS.WP_MAXBUTTON : 
                    case (int) WINDOWPARTS.WP_CLOSEBUTTON : 
                    case (int) WINDOWPARTS.WP_HELPBUTTON :
                        size.cx = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE); 
                        size.cy = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE);
                        break;

                    default: 
                        System.Diagnostics.Debug.Assert (false, "Unsupport Type");
                        break; 
                } 
            }
 
            return size;
        }

        #endregion 

        //------------------------------------------------------ 
        // 
        //  Internal Fields
        // 
        //-----------------------------------------------------

        #region Internal Fields
 
        internal enum WINDOWPARTS
        { 
            WP_CAPTION = 1, 
            WP_SMALLCAPTION = 2,
            WP_MINCAPTION = 3, 
            WP_SMALLMINCAPTION = 4,
            WP_MAXCAPTION = 5,
            WP_SMALLMAXCAPTION = 6,
            WP_FRAMELEFT = 7, 
            WP_FRAMERIGHT = 8,
            WP_FRAMEBOTTOM = 9, 
            WP_SMALLFRAMELEFT = 10, 
            WP_SMALLFRAMERIGHT = 11,
            WP_SMALLFRAMEBOTTOM = 12, 
            WP_SYSBUTTON = 13,
            WP_MDISYSBUTTON = 14,
            WP_MINBUTTON = 15,
            WP_MDIMINBUTTON = 16, 
            WP_MAXBUTTON = 17,
            WP_CLOSEBUTTON = 18, 
            WP_SMALLCLOSEBUTTON = 19, 
            WP_MDICLOSEBUTTON = 20,
            WP_RESTOREBUTTON = 21, 
            WP_MDIRESTOREBUTTON = 22,
            WP_HELPBUTTON = 23,
            WP_MDIHELPBUTTON = 24,
            WP_HORZSCROLL = 25, 
            WP_HORZTHUMB = 26,
            WP_VERTSCROLL = 27, 
            WP_VERTTHUMB = 28, 
            WP_DIALOG = 29,
            WP_CAPTIONSIZINGTEMPLATE = 30, 
            WP_SMALLCAPTIONSIZINGTEMPLATE = 31,
            WP_FRAMELEFTSIZINGTEMPLATE = 32,
            WP_SMALLFRAMELEFTSIZINGTEMPLATE = 33,
            WP_FRAMERIGHTSIZINGTEMPLATE = 34, 
            WP_SMALLFRAMERIGHTSIZINGTEMPLATE = 35,
            WP_FRAMEBOTTOMSIZINGTEMPLATE = 36, 
            WP_SMALLFRAMEBOTTOMSIZINGTEMPLATE = 37, 
        };
        // 
        internal enum MINBUTTONSTATES
        {
            MINBS_NORMAL = 1,
            MINBS_HOT = 2, 
            MINBS_PUSHED = 3,
            MINBS_DISABLED = 4, 
        }; 

        internal enum SCROLLBARPARTS 
        {
            SBP_ARROWBTN = 1,
            SBP_THUMBBTNHORZ = 2,
            SBP_THUMBBTNVERT = 3, 
            SBP_LOWERTRACKHORZ = 4,
            SBP_UPPERTRACKHORZ = 5, 
            SBP_LOWERTRACKVERT = 6, 
            SBP_UPPERTRACKVERT = 7,
            SBP_GRIPPERHORZ = 8, 
            SBP_GRIPPERVERT = 9,
            SBP_SIZEBOX = 10,
        };
 
        internal enum STATUSPARTS
        { 
            SP_PANE = 1, 
            SP_GRIPPERPANE = 2,
            SP_GRIPPER = 3, 
        };

        enum THEMESIZE
        { 
            TS_MIN,             // minimum size
            TS_TRUE,            // size without stretching 
            TS_DRAW,            // size that theme mgr will use to draw part 
        };
 
        #endregion

        //------------------------------------------------------
        // 
        //  Private Methods
        // 
        //------------------------------------------------------ 

        #region Private Methods 

        [DllImport ("UxTheme.dll", CharSet = CharSet.Auto)]
        private static unsafe extern IntPtr GetThemePartSize(SafeThemeHandle hTheme, IntPtr hdc, int iPartId, int iStateId, IntPtr prc, int eSize, NativeMethods.SIZE* psz);
 
        [DllImport ("UxTheme.dll", CharSet = CharSet.Auto)]
        private static extern IntPtr OpenThemeData(IntPtr hwnd, [MarshalAs(UnmanagedType.LPWStr)]string s); 
 
        #endregion
 
        //-----------------------------------------------------
        //
        //  Private Fields
        // 
        //------------------------------------------------------
 
        #region Private Fields 

        // cached Value. Will never be initialize elsewhere if OS == Win98 
        private SafeThemeHandle _hTheme;

        #endregion
 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
using System; 
using System.Security;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices; 
using Microsoft.Win32.SafeHandles;
using MS.Win32; 
 
namespace MS.Internal.AutomationProxies
{ 
    class ThemePart: IDisposable
    {
        // ------------------------------------------------------
        // 
        //  Constructors
        // 
        //----------------------------------------------------- 

        #region Constructors 

        internal ThemePart (IntPtr hwnd, string sClass)
        {
            if (Environment.OSVersion.Version.Major >= 5) 
            {
                _hTheme = new SafeThemeHandle(OpenThemeData(hwnd, sClass), false); 
            } 
            else
            { 
                _hTheme = new SafeThemeHandle(IntPtr.Zero, false);
            }
        }
 
        public void Dispose ()
        { 
            _hTheme.Dispose(); 
        }
 
        #endregion

        //-----------------------------------------------------
        // 
        //  Internal Methods
        // 
        //----------------------------------------------------- 

        #region Internal Methods 

        // Retreive the dimension of of UI element
        internal NativeMethods.SIZE Size (int iPartId, int iStateId)
        { 
            bool fSuccess = false;
            // Default is (0, 0) 
            NativeMethods.SIZE size = new NativeMethods.SIZE(0, 0); 

            if (!_hTheme.IsInvalid) 
            {
                unsafe
                {
                    fSuccess = GetThemePartSize(_hTheme, IntPtr.Zero, iPartId, iStateId, IntPtr.Zero, (int)THEMESIZE.TS_TRUE, &size) == IntPtr.Zero; 
                }
 
            } 

            // Falls back uses GetSystemMetrics 
            if (!fSuccess)
            {
                // dangerous construct, the iPartId might collide.
                // When entering an entry, make sure that the ID is not previously used. 
                // If it is the case, then an extra parameter needs to be added to this method
                switch (iPartId) 
                { 
                    case (int) STATUSPARTS.SP_GRIPPER:
                        size.cx = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE); 
                        size.cy = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE);
                        break;

                    case (int)SCROLLBARPARTS.SBP_SIZEBOX: 
                        size.cx = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXVSCROLL);
                        size.cy = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYHSCROLL); 
                        break; 

                    case (int)SCROLLBARPARTS.SBP_ARROWBTN: 
                        size.cx = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CXHSCROLL);
                        size.cy = UnsafeNativeMethods.GetSystemMetrics(NativeMethods.SM_CYVSCROLL);
                        break;
 
                    case (int) WINDOWPARTS.WP_MINBUTTON :
                    case (int) WINDOWPARTS.WP_MAXBUTTON : 
                    case (int) WINDOWPARTS.WP_CLOSEBUTTON : 
                    case (int) WINDOWPARTS.WP_HELPBUTTON :
                        size.cx = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE); 
                        size.cy = UnsafeNativeMethods.GetSystemMetrics (NativeMethods.SM_CXSIZE);
                        break;

                    default: 
                        System.Diagnostics.Debug.Assert (false, "Unsupport Type");
                        break; 
                } 
            }
 
            return size;
        }

        #endregion 

        //------------------------------------------------------ 
        // 
        //  Internal Fields
        // 
        //-----------------------------------------------------

        #region Internal Fields
 
        internal enum WINDOWPARTS
        { 
            WP_CAPTION = 1, 
            WP_SMALLCAPTION = 2,
            WP_MINCAPTION = 3, 
            WP_SMALLMINCAPTION = 4,
            WP_MAXCAPTION = 5,
            WP_SMALLMAXCAPTION = 6,
            WP_FRAMELEFT = 7, 
            WP_FRAMERIGHT = 8,
            WP_FRAMEBOTTOM = 9, 
            WP_SMALLFRAMELEFT = 10, 
            WP_SMALLFRAMERIGHT = 11,
            WP_SMALLFRAMEBOTTOM = 12, 
            WP_SYSBUTTON = 13,
            WP_MDISYSBUTTON = 14,
            WP_MINBUTTON = 15,
            WP_MDIMINBUTTON = 16, 
            WP_MAXBUTTON = 17,
            WP_CLOSEBUTTON = 18, 
            WP_SMALLCLOSEBUTTON = 19, 
            WP_MDICLOSEBUTTON = 20,
            WP_RESTOREBUTTON = 21, 
            WP_MDIRESTOREBUTTON = 22,
            WP_HELPBUTTON = 23,
            WP_MDIHELPBUTTON = 24,
            WP_HORZSCROLL = 25, 
            WP_HORZTHUMB = 26,
            WP_VERTSCROLL = 27, 
            WP_VERTTHUMB = 28, 
            WP_DIALOG = 29,
            WP_CAPTIONSIZINGTEMPLATE = 30, 
            WP_SMALLCAPTIONSIZINGTEMPLATE = 31,
            WP_FRAMELEFTSIZINGTEMPLATE = 32,
            WP_SMALLFRAMELEFTSIZINGTEMPLATE = 33,
            WP_FRAMERIGHTSIZINGTEMPLATE = 34, 
            WP_SMALLFRAMERIGHTSIZINGTEMPLATE = 35,
            WP_FRAMEBOTTOMSIZINGTEMPLATE = 36, 
            WP_SMALLFRAMEBOTTOMSIZINGTEMPLATE = 37, 
        };
        // 
        internal enum MINBUTTONSTATES
        {
            MINBS_NORMAL = 1,
            MINBS_HOT = 2, 
            MINBS_PUSHED = 3,
            MINBS_DISABLED = 4, 
        }; 

        internal enum SCROLLBARPARTS 
        {
            SBP_ARROWBTN = 1,
            SBP_THUMBBTNHORZ = 2,
            SBP_THUMBBTNVERT = 3, 
            SBP_LOWERTRACKHORZ = 4,
            SBP_UPPERTRACKHORZ = 5, 
            SBP_LOWERTRACKVERT = 6, 
            SBP_UPPERTRACKVERT = 7,
            SBP_GRIPPERHORZ = 8, 
            SBP_GRIPPERVERT = 9,
            SBP_SIZEBOX = 10,
        };
 
        internal enum STATUSPARTS
        { 
            SP_PANE = 1, 
            SP_GRIPPERPANE = 2,
            SP_GRIPPER = 3, 
        };

        enum THEMESIZE
        { 
            TS_MIN,             // minimum size
            TS_TRUE,            // size without stretching 
            TS_DRAW,            // size that theme mgr will use to draw part 
        };
 
        #endregion

        //------------------------------------------------------
        // 
        //  Private Methods
        // 
        //------------------------------------------------------ 

        #region Private Methods 

        [DllImport ("UxTheme.dll", CharSet = CharSet.Auto)]
        private static unsafe extern IntPtr GetThemePartSize(SafeThemeHandle hTheme, IntPtr hdc, int iPartId, int iStateId, IntPtr prc, int eSize, NativeMethods.SIZE* psz);
 
        [DllImport ("UxTheme.dll", CharSet = CharSet.Auto)]
        private static extern IntPtr OpenThemeData(IntPtr hwnd, [MarshalAs(UnmanagedType.LPWStr)]string s); 
 
        #endregion
 
        //-----------------------------------------------------
        //
        //  Private Fields
        // 
        //------------------------------------------------------
 
        #region Private Fields 

        // cached Value. Will never be initialize elsewhere if OS == Win98 
        private SafeThemeHandle _hTheme;

        #endregion
 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.

                        

                        

                        
                        

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