"Halil Gursoy" wrote:

> I am unable to solve the problem. Any help is appreciated. Is this a bug?
>
> Summary :
> I am raising  a custom shared event from custom DateTimePicker instances.
> This custom event causes to a call to MessageBox.Show. At that point splash
> screen form which is the starting point of applicatioin pops up.
>
> Details:
> I have a winforms application, Vb.NET. I implemented a custom DateTimePicker
> and overrided the OnFormClose method. Custom DateTimePicker has a shared
> event "UnpermittedDate" .  This event is raised at overriden OnFormClose
> Method of custom DateTimePicker.
>
> One of the windows forms handles the shared event raised by each custom
> DateTimePicker as follows;
>
>  Private Sub CustomDateTimePicker_UnPermittedDate()
>             MessageBox.Show("End date must be after begin date")
>         End Sub
>
> To problem is whenever this messagebox pops up, the splash screen which is
> the starting point of application pops up too. If there is no call to
> MessageBox.show then there is no problem,
>
> Here is the <non-user code> section at that point
>
> 
>     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WmCloseUp(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x1a bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WmReflectCommand(System.Windows.Forms.Message
> m = {System.Windows.Forms.Message}) + 0xbe bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x63 bytes   
> 
>     system.windows.forms.dll!ControlNativeWindow.OnMessage(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> 
>     system.windows.forms.dll!ControlNativeWindow.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xda bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DebuggableCallback(int
> hWnd = 984012, int msg = 8270, int wparam = 984012, int lparam = 1239464) +
> 0x3d bytes   
>      system.windows.forms.dll!System.Windows.Forms.Control.SendMessage(int msg
> = 8270, int wparam = 984012, int lparam = 1239464) + 0x48 bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Control.ReflectMessageInternal(int
> hWnd = 984012, System.Windows.Forms.Message m =
> {System.Windows.Forms.Message}) + 0x7f bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Control.WmNotify(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x2d bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Control.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x664 bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.ScrollableControl.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x6c bytes   
> 
>     system.windows.forms.dll!ControlNativeWindow.OnMessage(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> 
>     system.windows.forms.dll!ControlNativeWindow.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xda bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DebuggableCallback(int
> hWnd = 1246198, int msg = 78, int wparam = 984012, int lparam = 1239464) +
> 0x3d bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DefWndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xd4 bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Control.DefWndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Control.WmMouseDown(System.Windows.Forms.Message
> m = {System.Windows.Forms.Message}, System.Windows.Forms.MouseButtons button
> = Left, int clicks = 1) + 0x4e bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Control.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x484 bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x53 bytes   
> 
>     system.windows.forms.dll!ControlNativeWindow.OnMessage(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> 
>     system.windows.forms.dll!ControlNativeWindow.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xda bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DebuggableCallback(int
> hWnd = 984012, int msg = 513, int wparam = 1, int lparam = 196688) + 0x3d
> bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods+IMsoComponentManager.FPushMessageLoop(int dwComponentID = 1, int reason = -1, int pvLoopData = 0) + 0x349 bytes   
>      system.windows.forms.dll!ThreadContext.RunMessageLoopInner(int reason =
> -1, System.Windows.Forms.ApplicationContext context =
> {System.Windows.Forms.ApplicationContext}) + 0x1f3 bytes   
>      system.windows.forms.dll!ThreadContext.RunMessageLoop(int reason = -1,
> System.Windows.Forms.ApplicationContext context =
> {System.Windows.Forms.ApplicationContext}) + 0x50 bytes   
> 
>     system.windows.forms.dll!System.Windows.Forms.Application.Run(System.Windows.Forms.Form mainForm = {PAH_HerdHealthUI.frmSplashScreen}) + 0x34 bytes   
>      PAH HerdHealthUI.exe!PAH_HerdHealthUI.frmSplashScreen.Main() Line 3 + 0x1d
> bytes    Basic
>
>
>
>
>
>

> Gregory A. Beamer
> MVP; MCP: +I, SE, SD, DBA
>
> ***************************
> Think Outside the Box!
> ***************************
Halil
..
"Cowboy (Gregory A. Beamer) - MVP" wrote:

> My first guess is you are not using the right event and your circumventing
> the close is causing it to "reopen" the form.
>
>
> ---
>

>
> "Halil Gursoy" wrote:
>
> > I am unable to solve the problem. Any help is appreciated. Is this a bug?
> >
> > Summary :
> > I am raising  a custom shared event from custom DateTimePicker instances.
> > This custom event causes to a call to MessageBox.Show. At that point splash
> > screen form which is the starting point of applicatioin pops up.
> >
> > Details:
> > I have a winforms application, Vb.NET. I implemented a custom DateTimePicker
> > and overrided the OnFormClose method. Custom DateTimePicker has a shared
> > event "UnpermittedDate" .  This event is raised at overriden OnFormClose
> > Method of custom DateTimePicker.
> >
> > One of the windows forms handles the shared event raised by each custom
> > DateTimePicker as follows;
> >
> >  Private Sub CustomDateTimePicker_UnPermittedDate()
> >             MessageBox.Show("End date must be after begin date")
> >         End Sub
> >
> > To problem is whenever this messagebox pops up, the splash screen which is
> > the starting point of application pops up too. If there is no call to
> > MessageBox.show then there is no problem,
> >
> > Here is the <non-user code> section at that point
> >
> > 
> >     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WmCloseUp(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x1a bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WmReflectCommand(System.Windows.Forms.Message
> > m = {System.Windows.Forms.Message}) + 0xbe bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x63 bytes   
> > 
> >     system.windows.forms.dll!ControlNativeWindow.OnMessage(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> > 
> >     system.windows.forms.dll!ControlNativeWindow.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xda bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DebuggableCallback(int
> > hWnd = 984012, int msg = 8270, int wparam = 984012, int lparam = 1239464) +
> > 0x3d bytes   
> >      system.windows.forms.dll!System.Windows.Forms.Control.SendMessage(int msg
> > = 8270, int wparam = 984012, int lparam = 1239464) + 0x48 bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Control.ReflectMessageInternal(int
> > hWnd = 984012, System.Windows.Forms.Message m =
> > {System.Windows.Forms.Message}) + 0x7f bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Control.WmNotify(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x2d bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Control.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x664 bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.ScrollableControl.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x6c bytes   
> > 
> >     system.windows.forms.dll!ControlNativeWindow.OnMessage(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> > 
> >     system.windows.forms.dll!ControlNativeWindow.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xda bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DebuggableCallback(int
> > hWnd = 1246198, int msg = 78, int wparam = 984012, int lparam = 1239464) +
> > 0x3d bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DefWndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xd4 bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Control.DefWndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Control.WmMouseDown(System.Windows.Forms.Message
> > m = {System.Windows.Forms.Message}, System.Windows.Forms.MouseButtons button
> > = Left, int clicks = 1) + 0x4e bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Control.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x484 bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.DateTimePicker.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x53 bytes   
> > 
> >     system.windows.forms.dll!ControlNativeWindow.OnMessage(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0x13 bytes   
> > 
> >     system.windows.forms.dll!ControlNativeWindow.WndProc(System.Windows.Forms.Message m = {System.Windows.Forms.Message}) + 0xda bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.NativeWindow.DebuggableCallback(int
> > hWnd = 984012, int msg = 513, int wparam = 1, int lparam = 196688) + 0x3d
> > bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods+IMsoComponentManager.FPushMessageLoop(int dwComponentID = 1, int reason = -1, int pvLoopData = 0) + 0x349 bytes   
> >      system.windows.forms.dll!ThreadContext.RunMessageLoopInner(int reason =
> > -1, System.Windows.Forms.ApplicationContext context =
> > {System.Windows.Forms.ApplicationContext}) + 0x1f3 bytes   
> >      system.windows.forms.dll!ThreadContext.RunMessageLoop(int reason = -1,
> > System.Windows.Forms.ApplicationContext context =
> > {System.Windows.Forms.ApplicationContext}) + 0x50 bytes   
> > 
> >     system.windows.forms.dll!System.Windows.Forms.Application.Run(System.Windows.Forms.Form mainForm = {PAH_HerdHealthUI.frmSplashScreen}) + 0x34 bytes   
> >      PAH HerdHealthUI.exe!PAH_HerdHealthUI.frmSplashScreen.Main() Line 3 + 0x1d
> > bytes    Basic
> >
> >
> >
> >
> >
> >