Hi,<div><br></div><div>I have developed a GTK# (Glade) app on windows that I am now trying to get to work on OS X 10.5. It works well on windows but on OS X it randomly fails with the un-catchable Exception below. I believe that the first bunch of errors are because of the GTK theme that I am using (the one that comes with Mono), I think those errors are because the scroll bars that are present in my app do not show up right. The GLib and Gdk stuff confuses me, especially the GDK_IS_DRAWABLE assertion because I make that the first line in any event handler for an expose method sets the object to app paintable. </div>
<div><br></div><div>Now for a little bit of background on what I am doing so that I can tell you the circumstances of the un-catchable exception. My program places various object onto the screen (a GTKDrawingArea which a cairo context is gotten from so that I can draw into that) and it also has a table of GTK widgets which represent that object, its X location its Y location etc, those widgets get put into and pulled out of a table by the objects themselves, therefore when a new object is created first a message is sent to redraw the GTKDrawingArea then get the Cairo Context then clear the GTKTable of all of its widgets, load in the new widgets then draw the object. when this exception is thrown the table is half emptied... and nothing new is drawn onto the screen, but the old stuff is still there. As you can see the stack trace does not point to a single line of my code except for the Application.Run() command. Now here is the really intriguing part there is no set of steps that causes this error to occur, it occurs totally at random, there isn't one kind of object that causes it, or any amount of time running the program, its just out of no-where. Any help I could get would be great, also if this is just a problem on OSX tell me please, because my main two targets for this program are Windows and Linux, OSX is more or less an after-thought.</div>
<div><br></div><div>Billy</div><div><br></div><div>The un catchable exception (stack trace at the bottom) shows </div><div><br></div><div><div>Sun Apr 6 14:41:43 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div>
<div>Sun Apr 6 14:41:43 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div><div>Sun Apr 6 14:41:43 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div>
<div>Sun Apr 6 14:41:43 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div><div>Sun Apr 6 14:41:59 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div>
<div>Sun Apr 6 14:41:59 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div><div>Sun Apr 6 14:41:59 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div>
<div>Sun Apr 6 14:42:01 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div><div>Sun Apr 6 14:42:01 billy-schoenbergs-macbook.local mono[3482] <Error>: CGBitmapContextGetBitsPerPixel: invalid context</div>
<div><br></div><div>(Open Dialect:3482): GLib-GObject-WARNING **: invalid cast from `GtkCellView' to `GdkWindow'</div><div><br></div><div>(Open Dialect:3482): Gdk-CRITICAL **: gdk_drawable_get_colormap: assertion `GDK_IS_DRAWABLE (drawable)' failed</div>
<div><br></div><div>(Open Dialect:3482): GLib-GObject-WARNING **: invalid cast from `GtkCellView' to `GdkWindow'</div><div><br></div><div>(Open Dialect:3482): Gdk-CRITICAL **: gdk_drawable_get_colormap: assertion `GDK_IS_DRAWABLE (drawable)' failed</div>
<div><br></div><div>(Open Dialect:3482): GLib-GObject-WARNING **: invalid cast from `GtkCellView' to `GdkWindow'</div><div>Stacktrace:</div><div><br></div><div> at (wrapper managed-to-native) Gtk.Application.gtk_main () <0x00004></div>
<div> at (wrapper managed-to-native) Gtk.Application.gtk_main () <0xffffffff></div><div> at Gtk.Application.Run () <0x0000a></div><div> at Open_Dialect.MainWindow..ctor () [0x00167] in /Users/Billy/Desktop/Works on Mac/Open Dialect GTK/Open Dialect/Open Dialect/Forms and View/MainWindow.cs:78</div>
<div> at Open_Dialect.Program.Main (string[]) [0x00000] in /Users/Billy/Desktop/Works on Mac/Open Dialect GTK/Open Dialect/Open Dialect/Program.cs:12</div><div> at (wrapper runtime-invoke) Open_Dialect.Program.runtime_invoke_void_string[] (object,intptr,intptr,intptr) <0xffffffff></div>
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