预览图像
当您将鼠标光标悬停在 C++ 或 QML 代码中的图像引用上时，Qt Creator 会在工具提示中显示该图像的缩略图预览。这有助于您在不离开编辑器的情况下验证所使用的图像是否正确。
若要在外部图像查看器中打开该图像，请在工具提示中选择文件路径。
Qt Creator 当通过资源文件（.qrc ）或直接通过其绝对文件路径引用图像时，会显示图像预览。
另请参阅 “创建资源文件”、“操作指南：编辑代码”、“编辑代码”、“操作指南：调整用户界面”以及“调整用户界面”。
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