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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi Kevin,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I think I found the reason why this CTX_MENU_ID works and also why my context menu item is disabled for instances of my atoms.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">When I look in the GME 14.12.4 source code in the file GMEView.cpp, function CGMEView::OnCmdMsg(…). This function seems to check for a range of context menu IDs
for Decorators, which goes from 0x4001 to 0x4101, this is around line 6844. This function also makes a call to an Enable function as “pUI->Enable(isType)” which seems to set the control as disabled if the object is not a “Type”.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">If I am understanding the source code correctly the context menu item showing as disabled for instances of an atom seems to be the expected behavior in this case.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Cinthya<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gme-users [mailto:gme-users-bounces@list.isis.vanderbilt.edu]
<b>On Behalf Of </b>Cinthya Lopez<br>
<b>Sent:</b> Tuesday, February 20, 2018 3:59 PM<br>
<b>To:</b> A list for GME users to share thoughts and discuss bugs and fixes. <gme-users@list.isis.vanderbilt.edu><br>
<b>Subject:</b> [External] Re: [gme-users] Adding context menu items through a decorator<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">The ID was my problem. It works now.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Thanks!<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Cinthya<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> gme-users [<a href="mailto:gme-users-bounces@list.isis.vanderbilt.edu">mailto:gme-users-bounces@list.isis.vanderbilt.edu</a>]
<b>On Behalf Of </b>Kevin Smyth<br>
<b>Sent:</b> Tuesday, February 20, 2018 3:28 PM<br>
<b>To:</b> A list for GME users to share thoughts and discuss bugs and fixes. <<a href="mailto:gme-users@list.isis.vanderbilt.edu">gme-users@list.isis.vanderbilt.edu</a>><br>
<b>Subject:</b> [External] Re: [gme-users] Adding context menu items through a decorator<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Cinthya,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Your AppendMenu declaration is wrong for 64-bit. It should be:<o:p></o:p></p>
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<p class="MsoNormal">[DllImport("user32.dll", CharSet = CharSet.Auto, SetLastError = true)]<o:p></o:p></p>
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<p class="MsoNormal">static extern int AppendMenu(IntPtr hMenu, uint uFlags, IntPtr uIDNewItem, string lpNewItem);<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">But the issue for 32-bit is the uIDNewItem. This is from the C++ example and works:<o:p></o:p></p>
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<p class="MsoNormal">const int CTX_MENU_ID = 0x4001 + 100;<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I don't know why 0x5995 doesn't work.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Remove the EnableMenuItem calls; they are not needed. ContextMenuFlags.MF_ENABLED is wrong here.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Kevin<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Feb 20, 2018 at 3:06 PM, Cinthya Lopez <<a href="mailto:Cinthya_K_Lopez@raytheon.com" target="_blank">Cinthya_K_Lopez@raytheon.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">I am attempting to add a context menu item through a decorator. My decorator is written in C#. Calling the user32.dll function AppenMenu() adds my context menu items just fine.
My problem is that they all are disabled and calling the user32.dll function EnableMenuItem() does not seem to work. Does anyone have an idea of what could be my problem. This is what I have…<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Declarations:<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> [DllImport("user32.dll", CharSet=CharSet.Auto)]<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> static extern bool AppendMenu(IntPtr hMenu, uint uFlags, uint uIDNewItem, string lpNewItem);<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> [DllImport("user32.dll")]<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> static extern bool EnableMenuItem(IntPtr hMenu, uint uIDEnableItem, uint uEnable);<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> struct ContextMenuFlags<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> {<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> public const int MF_ENABLED = 0x00000000; // Enables the menu item so that it can be selected, and restores it from its grayed state<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> public const int MF_STRING = 0; // Specifies that the menu item is a text string; the lpNewItem parameter is a pointer to the string<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> public const int MF_GRAYED = 0x00000001; // Disables the menu item and grays it so that it cannot be selected<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> public const int MF_DISABLED = 0x00000002; // Disables the menu item so that it cannot be selected, but the flag does not gray it<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> };<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> const int CTX_MENU_ID = 0x5995;<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> const String CTX_MENU_STR = "My Attributes";<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">In my decorator’s MouseRightButtonDown() function I have…<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> public void MouseRightButtonDown(ulong hCtxMenu, uint nFlags, int pointx, int pointy, ulong transformHDC)<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> {<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> IntPtr intPtr = (IntPtr)hCtxMenu;<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> bool retVal1 = AppendMenu(intPtr, ContextMenuFlags.MF_STRING, CTX_MENU_ID, CTX_MENU_STR);<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> retVal1 = AppendMenu(intPtr, ContextMenuFlags.MF_STRING, CTX_MENU_ID+1, CTX_MENU_STR + "(1)");<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> retVal1 = AppendMenu(intPtr, ContextMenuFlags.MF_STRING, CTX_MENU_ID+2, CTX_MENU_STR + "(2)");<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> bool retVal2 = EnableMenuItem(intPtr, CTX_MENU_ID, ContextMenuFlags.MF_ENABLED);<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> retVal2 = EnableMenuItem(intPtr, CTX_MENU_ID+1, ContextMenuFlags.MF_ENABLED);<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> retVal2 = EnableMenuItem(intPtr, CTX_MENU_ID+2, ContextMenuFlags.MF_ENABLED);<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> }<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thank you,<o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Cinthya<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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