1 files changed, 70 insertions, 0 deletions
diff --git a/src/vm/eemessagebox.h b/src/vm/eemessagebox.h
new file mode 100644
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+++ b/src/vm/eemessagebox.h
@@ -0,0 +1,70 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+//*****************************************************************************
+// EEMessageBox.h
+//
+
+//
+// This module contains the definition for the message box utility code for use
+// inside the Execution Engine. These APIs ensure the GC mode is properly
+// toggled to preemptive before the dialog is displayed. 
+//
+//*****************************************************************************
+
+#ifndef _H_EEMESSAGEBOX
+#define _H_EEMESSAGEBOX
+
+//========================================================================
+// APIs to pop messages boxes. These should be used instead of the UtilXXX 
+// versions since they ensure we properly switch to preemptive GC mode and 
+// validate that the thread can tolerate GC transitions before calling 
+// out.
+//========================================================================
+
+int EEMessageBoxCatastrophicVA(
+                  UINT uText,               // Text for MessageBox
+                  UINT uTitle,              // Title for MessageBox
+                  UINT uType,               // Style of MessageBox
+                  BOOL showFileNameInTitle, // Flag to show FileName in Caption
+                  va_list insertionArgs);   // Additional Arguments
+
+int EEMessageBoxCatastrophic(
+                  UINT iText,       // Text for MessageBox
+                  UINT iTitle,      // Title for MessageBox
+                  ...);             // Additional Arguments
+
+int EEMessageBoxCatastrophicWithCustomizedStyle(
+                  UINT iText,               // Text for MessageBox
+                  UINT iTitle,              // Title for MessageBox
+                  UINT uType,               // Style of MessageBox
+                  BOOL showFileNameInTitle, // Flag to show FileName in Caption
+                  ...);                     // Additional Arguments
+
+#ifdef _DEBUG
+
+int EEMessageBoxNonLocalizedDebugOnly(
+                  LPCWSTR lpText,    // Text message
+                  LPCWSTR lpCaption, // Caption
+                  UINT uType,       // Style of MessageBox
+                  ... );            // Additional Arguments
+
+#endif // _DEBUG
+
+// If we didn't display a dialog to the user, this method returns IDIGNORE, unlike the others that return IDABORT.
+int EEMessageBoxNonLocalizedNonFatal(
+                  LPCWSTR lpText,   // Text message
+                  LPCWSTR lpTitle,  // Caption
+                  UINT uType,       // Style of MessageBox
+                  ... );            // Additional Arguments
+
+// If we didn't display a dialog to the user, this method returns IDIGNORE, unlike the others that return IDABORT.
+int EEMessageBoxNonLocalizedNonFatal(
+                  LPCWSTR lpText,   // Text message
+                  LPCWSTR lpTitle,  // Caption
+                  LPCWSTR lpDetails,// Detailed message like a stack trace
+                  UINT uType,       // Style of MessageBox
+                  ... );            // Additional Arguments
+
+#endif /* _H_EEMESSAGEBOX */
+