本文介绍了如何在不使用qmake的情况下为QT应用添加图标。主要步骤包括：使用rc程序处理.rc文件，然后将生成的.res文件与应用链接。
在QT帮助那里 查找 ：Setting the Application Icon
The application icon, typically displayed in the top-left corner of an application's top-level windows, is set by calling the QWindow::setWindowIcon() method.
In order to change the icon of the executable application file itself, as it is presented on the desktop (i.e., prior to application execution), it is necessary to employ another, platform-dependent technique.
Setting the Application Icon on Windows
First, create an ICO format bitmap file that contains the icon image. This can be done with e.g. Microsoft Visual C++: Select File|New, then select the File tab in the dialog that appears, and choose Icon. (Note that you do not need to load your application into Visual C++; here we are only using the icon editor.)
Store the ICO file in your application's source code directory, for example, with the name myappico.ico. Then, create a te
The application icon, typically displayed in the top-left corner of an application's top-level windows, is set by calling the QWindow::setWindowIcon() method.
In order to change the icon of the executable application file itself, as it is presented on the desktop (i.e., prior to application execution), it is necessary to employ another, platform-dependent technique.
Setting the Application Icon on Windows
First, create an ICO format bitmap file that contains the icon image. This can be done with e.g. Microsoft Visual C++: Select File|New, then select the File tab in the dialog that appears, and choose Icon. (Note that you do not need to load your application into Visual C++; here we are only using the icon editor.)
Store the ICO file in your application's source code directory, for example, with the name myappico.ico. Then, create a te
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