Windows Forms
A set of .NET Framework managed libraries for developing graphical user interfaces.
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MSWord closes unexpectedly when clicking "Print" button in "Envelopes and Labels" dialog
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Prasanth Vimalanathan
0
Reputation points
I'm embedding MSWord in my WinForms app using Microsoft Library, and I'm following this guideline to set the window style to ws_child to support the child window. However, when I click the "Print" button in the "Envelopes and Labels" dialog, MSWord unexpectedly closes. The issue is resolved when I remove the style setting or set it to ws_popup, but using ws_popup goes against the guideline. Can anyone guide me on how to resolve this issue while following the guidelines?
Windows Forms
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Windows API - Win32
Windows API - Win32
A core set of Windows application programming interfaces (APIs) for desktop and server applications. Previously known as Win32 API.
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![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(64, 85%, 16%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJX%3C/text%3E%3C/svg%3E)
Jiale Xue - MSFT 46,456 Reputation points Microsoft Vendor2024-07-22T07:48:41.7433333+00:00 Hi @Prasanth Vimalanathan , Welcome to Microsoft Q&A,
Embedding MSWord into a WinForms application and encountering issues with the
ws_childwindow style is a known challenge. Could you please describe your complete steps so we can reproduce it? What do you mean by guidelines violation? You can use the Word Interop library to create a custom print dialog or directly control the print operation instead of relying on MSWord's native dialog.
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